Generated by All in One SEO v4.9.5.1, this is an llms.txt file, used by LLMs to index the site. # Spitronics ## Sitemaps - [XML Sitemap](https://spitronics.com/sitemap.xml): Contains all public & indexable URLs for this website. ## Posts - [Blog](https://spitronics.com/blog/) - Latest Blog Explore the world of engine management, performance tuning, and the latest Spitronics innovations. Stay informed and empowered with expert insights and updates. Blog Transmission Control Systems March 13, 2026 Modern automatic transmissions rely heavily on electronic control to deliver smooth shifting, performance, and durability. A dedicated Transmission Control Unit (TCU) manages gear selection, - [Transmission Control Systems](https://spitronics.com/transmission-control-systems/) - Modern automatic transmissions rely heavily on electronic control to deliver smooth shifting, performance, and durability. A dedicated Transmission Control Unit (TCU) manages gear selection, line pressure, torque converter lock-up, and shift timing based on inputs such as engine RPM, vehicle speed, throttle position and transmission temperature. Spitronics transmission control systems allow tuners and builders to - [Common Wiring Mistakes During ECU Installation](https://spitronics.com/common-wiring-mistakes-during-ecu-installation/) - Wiring an aftermarket ECU like a Spitronics unit is a critical process that can make or break your engine management system. One small mistake can cause hours of troubleshooting, poor engine performance, or even damage to components. In this blog post, we’ll cover the most common wiring mistakes during ECU installation and how to avoid - [Spitronics Unit Not Working? Here's What to Check First](https://spitronics.com/spitronics-unit-not-working-heres-what-to-check-first/) - Experiencing issues with your Spitronics unit can be frustrating, especially when you're eager to get your engine management system up and running. Before assuming the worst, let’s walk through a few key steps that will help you diagnose the issue and potentially get your system functioning again. 1. Do You Have a Laptop Available? The ## Pages - [Home Page](https://spitronics.com/) - Explore Spitronics – innovative standalone ECUs, TCUs, and harnesses for performance and custom automotive projects. Reliable engine and transmission management solutions engineered for precision tuning - [Kits](https://spitronics.com/kits/) - Complete Kits – Power, Precision, Wire & Play Everything you need to get started — our kits include the unit and all essential harnesses for seamless integration and optimal engine management. Engine Control Unit (ECU) Kits Cylinders Select Cylinders... 3 Cylinders 4 Cylinders 6 Cylinders 8 Cylinders 12 Cylinders Coil Type Select Type... Distributor Dual - [Training Enquiry](https://spitronics.com/training-enquiry/) - Training Enquiry Stay Informed. Get Trained. Grow Your Expertise. Contact Support About Our Training Programs Thank you for your interest in Spitronics training opportunities.Our approved wholesalers occasionally host group training courses, hands-on workshops, and even one-on-one in-house sessions. By signing up, you’ll be added to our training notifications list, ensuring you’re the first to know - [Get A Quote](https://spitronics.com/get-a-quote/) - Personalized Quote Request Share your project details and location to receive accurate pricing and expert assistance from our trusted network. Get A Quote: Please enable JavaScript in your browser to complete this form.First & Last name *FirstLastCompany (Optional)Country *Province *Email *EmailConfirm EmailPhone *Where did you hear about us?YoutubeFacebookInstagramWhatsAppGoogleOtherHave you used Spitronics before? *YesNoWhich Dealer assisted - [Contact Us](https://spitronics.com/contact-us/) - Contact Us Have questions about Spitronics ECUs, TCUs, or Throttle-by-Wire systems? Contact us directly — we’re ready to provide the support and information you need. CONTACT Address Spitronics Engine Management SystemsUnit 1, 2 Mossel StreetMarais Industrial AreaVredenburg, Western Cape, South Africa, 7380 Email General Information: info@spitronics.comSales Inquiries: sales@spitronics.comTechnical Support: support@spitronics.com Phone Number General Inquiries: +27 - [Download](https://spitronics.com/download/) - Downloads Compressed .rar archives require specific software to be extracted. 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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna Contact Us Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna. Quick Link Home About Us Car List Contact Us - [Header](https://spitronics.com/?elementor_library=header) - Menu Products Engine Control Transmission Control Throttle by Wire Fan Controller Signal Converter ECU Harnesses TCU Harnesses Other Harnesses Mobile Tuning App Dash Display Comms & Tuning Cables Coil Drivers / Idle Controls & Relays Sensors Simulators Downloads Support Knowledge Base FAQ Find A Dealer Forum Contact Us Book Now - [Home](https://spitronics.com/?elementor_library=home) - Drive your way – Rent with ease! Find the perfect ride for your journey with ease. Affordable rates, hassle-free booking, and top-quality cars—ready when you are. Book Now Browse Our Car Collection Show All Stream XR Type Passengers Year Fuel MPV 6 2024 Gasoline $250 /day Learn More Yaris Rs Type Passengers Year Fuel Sedan ## Products - [Shifter Conversion Board (CON02)](https://spitronics.com/product/shifter-conversion-board-con02/) - Interface board for adapting automatic shifters to Spitronics TCU systems. - [Ford 4R70W Transmission Control Unit Kit | 4 Speed | Mercury3](https://spitronics.com/product/ford-4r70w-transmission-control-unit-kit-4-speed-mercury3/) - Complete plug-and-play Transmission Control Unit kit for Ford 4R70W/4R75W automatic transmissions. **Features:** - Pre-configured for 4-speed operation - Standard Ford connector (no adapter harness needed) - Mercury3 TCU compatibility - Perfect for Windsor V8 swaps and common Ford builds - Improved shift control over stock PCM **What's Included:** - Mercury3 TCU unit - Ford-specific wiring - [Universal ECU Kit – 3 Cylinder | Smart | 3H | 36-2 Trigger](https://spitronics.com/product/universal-ecu-kit-3-cylinder-smart-3h-36-2-trigger/) - Take full control of your 3-cylinder engine with the Spitronics Universal ECU Kit, engineered for precision, reliability, and seamless integration across a wide range of applications. This kit is built around the powerful Smart ECU platform, combined with the robust harnesses, delivering a streamlined installation experience without compromising on advanced functionality. Designed specifically for 3-cylinder - [Spitronics Callisto – Advanced Class ECU](https://spitronics.com/product/spitronics-callisto-advanced-class-ecu/) - The Spitronics Callisto Advanced ECU provides enhanced tuning flexibility and control, making it suitable for higher-performance engines and advanced vehicle builds. - [Spitronics Mercury3 - Intermediate Class ECU](https://spitronics.com/product/spitronics-mercury3-intermediate-class/) - The Mercury3 Intermediate ECU is meant for complex trigger-distributor type engine applications. - [Spitronics Callisto – Standard Class ECU](https://spitronics.com/product/spitronics-callisto-standard-class-ecu/) - The Spitronics Callisto Standard ECU delivers reliable standalone engine management with essential tuning capabilities, ideal for street and OEM-style performance applications. - [1.15 Bar Spitronics MAP sensor](https://spitronics.com/product/1-15-bar-spitronics-map-sensor/) - An internally manufactured MAP & Altitude sensor for naturally aspirated engines, compatible with all current and legacy Spitronics ECUs. - [Spitronics Nebula Signal Converter](https://spitronics.com/product/spitronics-nebula-signal-converter/) - Convert and condition automotive signals with accuracy. The Spitronics NEBULA Signal Converter ensures compatibility between sensors, ECUs, and aftermarket electronics. - [Spitronics Nebula Fan Controller](https://spitronics.com/product/spitronics-nebula-fan-controller/) - Precision electronic fan control for optimal engine cooling. The Spitronics NEBULA Fan Controller delivers programmable temperature-based fan operation with reliable performance for modified or stock vehicles. - [Dash Display – Enclosure (Only)](https://spitronics.com/product/dash-display-enclosure-only/) - A sleek Perspex enclosure designed to house the Spitronics Ver.2 LCD 2.2” Dash Display—offering protection and a clean dashboard finish. - [Dash Display Ver. 2 (Display only)](https://spitronics.com/product/dash-display-ver-2-display-only-enclosure-not-included/) - An upgraded 2.2” LCD dash display with auto ECU/TCU detection and real-time diagnostics—enclosure sold separately. - [Orion Coil Driver – 4-Way](https://spitronics.com/product/orion-coil-driver-4-way/) - A powerful 4-channel ignition driver for controlling basic coils without built-in drivers—ideal for 4-cylinder engines in direct fire or wasted spark setup - [Orion Coil Driver 2-Way](https://spitronics.com/product/orion-coil-driver-2-way/) - A high-performance 2-channel coil driver designed for use with basic ignition coils—ideal for systems that lack built-in coil drivers. - [Orion Coil Driver 6-Way](https://spitronics.com/product/orion-coil-driver-6-way/) - A high-performance 6-channel coil driver designed to power basic ignition coils—ideal for straight-six and multi-cylinder engines using external drivers. - [Spitronics Bluetooth / UART Module](https://spitronics.com/product/spitronics-bluetooth-uart-module/) - A wireless communication module for connecting Spitronics devices to PCs or Android devices via Bluetooth—ideal for remote tuning and digital dash displays. - [Spitronics Mercury3 – Standard Class TCU](https://spitronics.com/product/spitronics-mercury3-standard-class-tcu/) - The Spitronics Mercury3 Standard TCU provides reliable electronic control of automatic transmissions, ideal for street vehicles and OEM-style applications. - [Spitronics Mercury3 – Intermediate Class TCU](https://spitronics.com/product/spitronics-mercury3-intermediate-class-tcu/) - The Spitronics Mercury3 Intermediate TCU offers enhanced transmission tuning control, ideal for performance vehicles requiring refined shift behaviour. - [Spitronics Mercury3 – Advanced Class TCU](https://spitronics.com/product/spitronics-mercury3-advanced-class-tcu/) - The Spitronics Mercury3 Advanced TCU delivers high-level transmission control for performance and motorsport applications, offering maximum tuning precision and adaptability. - [Spitronics Callisto – Standard Class TxW](https://spitronics.com/product/spitronics-callisto-standard-class-txw/) - The Spitronics Callisto Standard Class TxW is a reliable standalone engine management solution designed for TxW applications, offering stable fuel and ignition control for street and OEM-style builds. - [Spitronics Callisto – Advanced Class TCU](https://spitronics.com/product/spitronics-callisto-advanced-class-tcu/) - The Spitronics Callisto Advanced TCU delivers enhanced transmission tuning control, suitable for performance vehicles and advanced gearbox setups. - [Spitronics Callisto – Standard Class TCU](https://spitronics.com/product/spitronics-callisto-standard-class-tcu/) - The Spitronics Callisto Standard TCU provides reliable electronic control of automatic transmissions, ideal for street vehicles and OEM-style gearbox applications. - [P07_COMS Extension Harness](https://spitronics.com/product/p07_coms-extension-harness-dual-map-launch-control-ecu/) - P07_COMS Extension Harness enables Dual Map & Launch Control, Rapid Fire, and Tiptronic TCU interfaces for expanded functionality. - [Spitronics Mercury3 - Standard Class ECU](https://spitronics.com/product/spitronics-mercury3-standard-class/) - The Mercury3 Standard ECU is meant for simple trigger-distributor type engine applications. - [Spitronics Mercury3 – Ultimate Class ECU](https://spitronics.com/product/spitronics-mercury3-ultimate-class/) - The Mercury3 Ultimate ECU is meant for racing features - multi-coil type engine applications. - [Spitronics Mercury3 – Advanced Class ECU](https://spitronics.com/product/spitronics-mercury3-advanced-class/) - The Mercury3 Advanced ECU is meant for advanced features - multi-coil type engine applications. - [Spitronics Callisto ECU – Race Pack Upgrade](https://spitronics.com/product/spitronics-callisto-ecu-race-pack-upgrade/) - Unlock advanced motorsport functionality for your Callisto ECU. The Spitronics Race Pack enables race-focused features such as gear indication, shift lights, lap timing, and high-speed data handling—designed for competitive and track-driven vehicles. - [E66_P3 Output Harness Power Only](https://spitronics.com/product/e66_p3-output-harness-power-only/) - Power-only output harness for the Spitronics Callisto ECU. A wire-and-play solution providing reliable ECU power connections for clean, professional installations. - [E70_P1 TCU Stand Alone Input Harness](https://spitronics.com/product/e70_p1-tcu-stand-alone-input-harness/) - Wire-and-play standalone input harness for Spitronics TCU systems. Simplifies transmission control installations with reliable connections and clean wiring. - [E68_P2 No Relay Output Harness](https://spitronics.com/product/e68_p2-no-relay-output-harness/) - Wire-and-play output harness for Spitronics ECUs. Designed for applications without relay outputs, providing clean integration and reliable signal connections. - [E75_P4 TCU Output Input Harness](https://spitronics.com/product/e75_p4-tcu-output-input-harness/) - The E75_P4 TCU Output Input Harness provides a combined interface for connecting both input signals and output devices to a Spitronics TCU. - [M70_P1 TCU Stand-Alone Input Harness](https://spitronics.com/product/m70_p1-tcu-stand-alone-input-harness/) - Wire-and-play input harness for Spitronics TCU systems. Simplifies standalone transmission installs with reliable connections and clean wiring integration. - [OC6_P2 Coil Driver Harness 6-Way](https://spitronics.com/product/oc6_p2-coil-driver-harness-6-way/) - A 6-way high-voltage harness built for Orion Coil Drivers—ideal for connecting and controlling six basic ignition coils without internal drivers. - [Lexus 36 – 1 Gear](https://spitronics.com/product/lexus-36-1-gear/) - Precision-machined 36–1 trigger gear for Lexus engines—ideal for aftermarket ECU compatibility. - [Onboard Altitude Sensor 1.15Bar SMT](https://spitronics.com/product/onboard-altitude-sensor-1-15bar-smt/) - The Onboard Altitude Sensor 1.15 Bar SMT provides accurate altitude and barometric pressure data to compatible Spitronics ECUs for precise engine compensation. - [M75_P5 Output Harness](https://spitronics.com/product/m75_p5-output-harness/) - The M75_P5 Output Harness provides a reliable interface between the Spitronics control unit and external output devices, enabling precise control of engine, transmission, and auxiliary systems. - [M74_P4 Input Harness](https://spitronics.com/product/m74_p4-input-harness/) - The M74_P4 Input Harness provides a reliable interface for connecting multiple input signals to a Spitronics control unit for accurate system monitoring. - [M73_P3 Output Harness](https://spitronics.com/product/m73_p3-output-harness/) - The M73_P3 Output Harness provides a reliable interface between the Spitronics control unit and external output devices for precise system control. - [M72_P2 1Relay Output Harness](https://spitronics.com/product/m72_p2-1relay-output-harness/) - The M72_P2 1Relay Output Harness provides a dedicated and reliable interface for controlling a single external relay from a Spitronics ECU or TCU. - [M71_P1 TCU Input Harness](https://spitronics.com/product/m71_p1-tcu-input-harness/) - The M71_P1 TCU Input Harness provides a reliable interface for connecting transmission-related input signals to a Spitronics TCU for accurate transmission control. - [E74_P1 TCU Econno Input Harness](https://spitronics.com/product/e74_p1-tcu-econno-input-harness/) - The E74_P1 TCU Econno Input Harness provides a simplified and cost-effective interface for connecting transmission input signals to a Spitronics TCU. - [E73_P3 TCU Output Harness](https://spitronics.com/product/e73_p3-tcu-output-harness/) - The E73_P3 TCU Output Harness provides a reliable interface between the Spitronics TCU and external output devices for precise transmission control. - [E72_P2 TCU 1xRelay Output Harness](https://spitronics.com/product/e72-p1-tcu-baseline-input-harness/) - The E72_P2 TCU 1xRelay Output Harness provides a dedicated and reliable interface for controlling a single external relay from a Spitronics TCU. - [E71-P1 TCU Input Harness](https://spitronics.com/product/e71-p1-tcu-input-harness/) - The E71-P1 TCU Input Harness provides a reliable interface between transmission-related input signals and the Spitronics TCU for accurate transmission control. - [E65-P4 Output Harness](https://spitronics.com/product/e65-p4-output-harness/) - The E65-P4 Output Harness provides a reliable interface between the Spitronics ECU and external output devices, enabling precise control of engine and auxiliary functions. - [Push Button Square Tiptronic - Black](https://spitronics.com/product/push-button-square-tiptronic-black/) - The Push Button Square Tiptronic provides a simple and reliable manual input for Tiptronic-style gear selection when used with a compatible Spitronics ECU. - [Map Switch 4 Positions + Knob](https://spitronics.com/product/map-switch-4-positions-knob/) - The Map Switch 4 Positions + Knob allows convenient selection between four ECU maps on compatible Spitronics systems, providing flexible tuning control. - [On/Off Toggle Switch Dual Map](https://spitronics.com/product/on-off-toggle-switch-dual-map/) - The On/Off Toggle Switch Dual Map allows the driver to easily switch between two ECU maps on compatible Spitronics systems. - [Push Button Round RapidFire](https://spitronics.com/product/push-button-round-rapidfire/) - The Push Button Round RapidFire provides fast and reliable momentary input control for rapid-action functions when used with a compatible Spitronics ECU. - [Push Button Square Tiptronic - Red](https://spitronics.com/product/push-button-square-tiptronic-red/) - The Push Button Square Tiptronic provides a simple and reliable manual input for Tiptronic-style gear selection when used with a compatible Spitronics ECU. - [Tuning Knob](https://spitronics.com/product/tuning-knob/) - The Tuning Knob provides simple, real-time adjustment of the pops and bangs feature on compatible Spitronics ECUs. - [POT 5K Linier Potentionmeter + Knob](https://spitronics.com/product/pot-5k-linier-potentionmeter-knob/) - The POT 5K Linear Potentiometer + Knob allows manual adjustment of the pops and bangs feature on compatible Spitronics ECUs, providing precise, real-time control over effect intensity. - [E40 P2 1Relay Preferred Output Harness (Replaces E33)](https://spitronics.com/product/e40-p2/) - An improved Level 1 output harness designed for easy installation on Venus3 and compatible with other E40-based ECUs like Saturn, Pluto, Venus, and Titan. - [E42 P2 1 Relay Standard Econo Harness (Only 1 Coil and 2 Injector wires)](https://spitronics.com/product/e42-p2-1-relay-standard-econo-harness-only-1-coil-and-2-injector-wires/) - A basic, cost-effective engine harness featuring 1 coil and 2 injector wires—ideal for simple single-cylinder or two-cylinder engine setups using Spitronics ECUs. - [E41 P2 2Relay Preferred Output Harness (Only used where extra power is required)](https://spitronics.com/product/e41-p2-2relay-preferred-output-harness-only-used-where-extra-power-is-required/) - This latest style Level 1 harness is part of the easy install series for Orion2. The harness contains all ECU connections from the 10-Way Connector for most engine combinations. - [S03 12 Pin Idle Control Harness](https://spitronics.com/product/s03-12-pin-idle-control-harness-2/) - The S03 12 Pin Idle Control Harness provides a dedicated and reliable connection between the Spitronics ECU and the engine’s idle control system for stable and precise idle regulation. - [M69_P2 2Relay Output Harness](https://spitronics.com/product/m69_p2-2relay-output-harness/) - The M69_P2 2Relay Output Harness provides a reliable interface for controlling up to two external relays from a Spitronics ECU, enabling safe and efficient switching of auxiliary systems. - [M68_P2 No Relay Output Harness](https://spitronics.com/product/m68_p2-no-relay-output-harness/) - The M68_P2 No Relay Output Harness provides direct ECU output connections for controlling external devices without the use of intermediate relays. - [M65_P5 Output Harness](https://spitronics.com/product/m65_p5-output-harness/) - The M65_P5 Output Harness provides a reliable connection between the Spitronics ECU and external output devices, enabling precise control of engine and auxiliary systems. - [M64_P4 Input Harness](https://spitronics.com/product/m64_p4-input-harness/) - The M64_P4 Input Harness provides a dependable interface for connecting multiple engine and vehicle sensors to a Spitronics ECU, ensuring accurate input data for reliable engine management. - [M63_P3 Output Harness](https://spitronics.com/product/m63_p3-output-harness/) - The M63_P3 Output Harness provides a reliable interface between the Spitronics ECU and external output devices, enabling accurate control of engine and auxiliary functions. - [M62_P2 3Relay Output Harness](https://spitronics.com/product/m62_p2-3relay-output-harness/) - The M62_P2 3-Relay Output Harness provides a dedicated and reliable interface for controlling up to three external relays from a Spitronics ECU, enabling safe and efficient management of auxiliary vehicle systems. - [M61_P1 Crank Input Harness](https://spitronics.com/product/m61_p1-crank-input-harness/) - The M61_P1 Crank Input Harness provides a direct and reliable connection between the engine’s crankshaft position sensor and the Spitronics ECU, ensuring accurate engine speed and position feedback for stable ignition control. - [M60_P1 Crank Cam Input Harness](https://spitronics.com/product/m60_p1-crank-cam-input-harness/) - The M60_P1 Crank Cam Input Harness provides a reliable plug-and-play connection between the engine’s crankshaft and camshaft position sensors and the Spitronics ECU, ensuring accurate engine position data for precise ignition and fuel control. - [E67_P1 TxW Input Harness](https://spitronics.com/product/e67_p1-txw-input-harness/) - The E67_P1 TxW Input Harness provides a reliable connection between throttle position or drive-by-wire related input signals and the Spitronics ECU for accurate throttle control input processing. - [E64_P3 Output Harness Econno](https://spitronics.com/product/e64_p3-output-harness-econno/) - The E64_P3 Output Harness Econno provides a simplified and cost-effective interface between the Spitronics ECU and external output devices for essential control functions. - [E63-P3 Output Harness](https://spitronics.com/product/e63-p3-output-harness/) - The E63-P3 Output Harness provides a reliable connection between the Spitronics ECU and external output devices, enabling precise control of engine and auxiliary systems. - [E62-P2 1 Relay Output Harness](https://spitronics.com/product/e62-p2-1-relay-output-harness/) - The E62-P2 1 Relay Output Harness provides a dedicated and reliable interface for controlling a single external relay from a Spitronics ECU. - [E61-P1 Crank Input Harness](https://spitronics.com/product/e61-p1-crank-input-harness/) - The E61-P1 Crank Input Harness provides a direct and reliable connection between the engine’s crankshaft position sensor and the Spitronics ECU, ensuring accurate engine speed and position feedback. - [E60-P1 Crank Cam Input Harness](https://spitronics.com/product/e60-p1-crank-cam-input-harness/) - The E60-P1 Crank Cam Input Harness provides a reliable connection between the engine’s crankshaft and camshaft position sensors and the Spitronics ECU, ensuring accurate engine position and timing data. - [Spitronics Mercury Stepper Idle2 Controller Type 1 (6 -Wire)](https://spitronics.com/product/spitronics-mercury-stepper-idle2-controller-type-1-6-wire/) - A dedicated controller for engines equipped with a 4 Pole Common Stepper Idle Control, providing precise idle speed management. - [Spitronics Mercury Stepper Idle2 Controller Type 2 (4 – Wire)](https://spitronics.com/product/spitronics-mercury-stepper-idle2-controller-type-2-4-wire/) - A specialized controller designed for engines equipped with a 4 Pole Bi-Polar Stepper Idle Control motor for precise idle speed management. - [Shifter Conversion Board (CON01)](https://spitronics.com/product/shifter-conversion-board-con01/) - Interface board for adapting automatic shifters to Spitronics TCU systems. - [Spitronics Simulator Harness (IDLE03)](https://spitronics.com/product/spitronics-simulator-harness-idle03/) - Communication harness for connecting Simulator3 to Idle Controller. - [Spitronics Simulator Harness (COIL03)](https://spitronics.com/product/spitronics-simulator-harness-coil03/) - Communication harness for connecting Simulator3 to Mercury Coil Driver. - [Spitronics Simulator Harness (SAT/PLUTO03/V3)](https://spitronics.com/product/spitronics-simulator-harness-sat-pluto03-v3/) - Communication harness for connecting Simulator3 to Saturn, Pluto, and Venus3 ECUs. - [Spitronics Simulator Harness (NEP03)](https://spitronics.com/product/spitronics-simulator-harness-nep03/) - Communication harness for connecting Simulator3 to Neptune ECUs. - [Spitronics Simulator Harness (MERCTCU03)](https://spitronics.com/product/spitronics-simulator-harness-merctcu03/) - Communication harness for connecting Simulator3 to Mercury2 and Mercury3 TCU. - [Spitronics Simulator Harness – OrionTCU203](https://spitronics.com/product/spitronics-simulator-harness-oriontcu203/) - Communication harness for connecting Simulator3 to Orion2 TCUs. - [Spitronics Simulator Harness – Orion03](https://spitronics.com/product/spitronics-simulator-harness-orion03/) - Communication harness for connecting Simulator3 to Orion ECUs. - [Spitronics Simulator Harness – Orion203](https://spitronics.com/product/spitronics-simulator-harness-orion203/) - Communication harness for connecting Simulator3 to Orion2 ECUs. - [Spitronics Simulator Harness (MERC03)](https://spitronics.com/product/spitronics-simulator-harness-merc03/) - Communication harness for connecting Simulator3 to Mercury2 and Mercury3 ECUs. - [Spitronics Simulator3 Power Supply](https://spitronics.com/product/spitronics-simulator3-power-supply/) - Dedicated power supply unit for reliable operation of the Spitronics Simulator3. - [Spitronics Simulator3 (Controller Only)](https://spitronics.com/product/spitronics-simulator3-controller-only/) - Diagnostic controller for testing Spitronics ECUs, TCUs, modules, and select non-Spitronics units. - [Signal Converter C03 P1 Input Harness – Standalone Option](https://spitronics.com/product/e37-p1-input-fan-control-harness/) - Input harness for standalone use of the Signal Converter C03, ideal for reading RPM signals directly from engine bay sensors. - [OT20 – Comms. Buttons Harness (Orion2 TCU)](https://spitronics.com/product/ot20-comms-buttons-harness-orion2-tcu/) - A Level 1 output harness designed for connecting tiptronic push button controls (buttons not included) to Orion2-based TCU systems. - [3 Bar Universal MAP Sensor](https://spitronics.com/product/3-bar-universal-map-sensor/) - A high-range aftermarket MAP and altitude sensor, compatible with turbocharged setups using Hyperspace Ver 3.7+ software. - [S03 – 12-Pin Idle Control Harness](https://spitronics.com/product/s03-12-pin-idle-control-harness/) - A dedicated 12-pin harness designed for idle control systems, carrying both power supply and ECU input signals. - [OC2_P2 – Coil Driver Harness (2-Way)](https://spitronics.com/product/oc2_p2-coil-driver-harness-2-way-2/) - A dedicated 2-way harness designed for Orion Coil Drivers—used to connect and control basic coils without built-in drivers. - [OC4_P2 Coil Driver Harness 4-Way](https://spitronics.com/product/oc2_p2-coil-driver-harness-2-way/) - A 4-way high-voltage harness designed for Orion Coil Drivers—ideal for controlling four basic ignition coils without built-in drivers. - [P06 P3 -Variable RPM Limiter Pot](https://spitronics.com/product/p06-p3-variable-rpm-limiter-pot/) - A plug-in rev limiter control for Spitronics ECUs running Ultimate Class firmware—adds launch limiter effects and “Like it Loud” bang features. - [Spitronics USB to UART Cable](https://spitronics.com/product/spitronics-usb-to-uart-cable/) - An essential communication cable for connecting Spitronics devices to Hyperspace Tuning Software—features built-in isolation for laptop protection. - [Spitronics Mobile Tuning App](https://spitronics.com/product/spitronics-mobile-tuning-app/) - This Spitronics Mobile Tuning App Software for Android is free off our website …. You will need to Activate your ECU or TCU to allow this app to connect to your management device. This activation costs R395 and is available for Android using Hyperspace Ver 3.6 Tuning software for remote tuning. You can use your phone to do basic tuning and fine adjustments via Bluetooth. - [E36 Positive Output Harness](https://spitronics.com/product/e36-positive-output-harness/) - A reliable output harness providing positive switched outputs from an 8-way connector—suitable for a variety of engine and transmission setups. ## MailPoet Page - [MailPoet Page](https://spitronics.com/?mailpoet_page=captcha) - [mailpoet_page] - [MailPoet Page](https://spitronics.com/?mailpoet_page=subscriptions) - [mailpoet_page] ## Elementor Header & Footer Builder - [Footer](https://spitronics.com/elementor-hf/footer/) - Quick Links Home Products Contact Us Training Enquiry Useful Links Privacy Policy Terms and Condition Knowledge Base FAQ Forum Become A Dealer Get In Touch +27 (0) 73 888 6534 +27 (0) 63 944 0486 info@spitronics.com sales@spitronics.com support@spitronics.com Instagram Facebook Copyright © 2025 All rights reserved - [Header](https://spitronics.com/elementor-hf/header/) - Menu Products Engine Control Transmission Control Throttle by Wire Fan Controller Signal Converter ECU Harnesses TCU Harnesses Other Harnesses Mobile Tuning App Dash Display Comms & Tuning Cables Coil Drivers / Idle Controls & Relays Sensors Simulators Downloads Support Knowledge Base FAQ Find A Dealer Forum Contact Us 0 Get A Quote Menu Products Engine ## Builder Templates - [Single Product Page](https://spitronics.com/shopengine-template/single-product-page/) - Complete plug-and-play Transmission Control Unit kit for Ford 4R70W/4R75W automatic transmissions. **Features:** - Pre-configured for 4-speed operation - Standard Ford connector (no adapter harness needed) - Mercury3 TCU compatibility - Perfect for Windsor V8 swaps and common Ford builds - Improved shift control over stock PCM **What's Included:** - Mercury3 TCU unit - Ford-specific wiring - [Catalog Shop](https://spitronics.com/shopengine-template/catalog-shop/) - Complete plug-and-play Transmission Control Unit kit for Ford 4R70W/4R75W automatic transmissions. **Features:** - Pre-configured for 4-speed operation - Standard Ford connector (no adapter harness needed) - Mercury3 TCU compatibility - Perfect for Windsor V8 swaps and common Ford builds - Improved shift control over stock PCM **What's Included:** - Mercury3 TCU unit - Ford-specific wiring ## Categories - [Uncategorized](https://spitronics.com/category/uncategorized/) ## Product categories - [Gears](https://spitronics.com/product-category/gears/) - [ECU Harnesses](https://spitronics.com/product-category/ecu-harnesses/) - [Dash Display](https://spitronics.com/product-category/dash-display/) - [Fan Controller](https://spitronics.com/product-category/fan-controller/) - [Mobile Tuning App](https://spitronics.com/product-category/mobile-tuning-app/) - [Other Harnesses](https://spitronics.com/product-category/other-harnesses/) - [Comms & Tuning Cables](https://spitronics.com/product-category/comms-tuning-cables/) - [Coil Drivers / Idle Controls & Relays](https://spitronics.com/product-category/coil-drivers-idle-controls-relays/) - [Sensors](https://spitronics.com/product-category/sensors-diode-boards/) - [TCU Harnesses](https://spitronics.com/product-category/tcu-harnesses/) - [Simulators](https://spitronics.com/product-category/simulators/) - [Engine Control Unit](https://spitronics.com/product-category/engine-control-unit/) - [Transmission Control Unit](https://spitronics.com/product-category/transmission-control-unit/) - [Throttle by Wire](https://spitronics.com/product-category/throttle-by-wire/) - [Kits](https://spitronics.com/product-category/kits/)