This harness is designed to use with ECU systems. It has the RPM and TPS wires unshielded to connect directly to the ECU signals. On Spitronics ECU’s there is already wires included in the loom with the same colours where it must be connected.
On OEM ECU’s you may need to splice into the signal wires. It is the recommended Wire and Play loom that has the relay and fuse pre-wired in the loom.
Products that can use this harness
Download PDF version MTWX01/2 Mercury2 TCU with Spitronics ECU Harness Overview