The harness contains some TCU connections from the 6 Way Connector for some transmission combinations.
Products that can use this harness
Download this PDF version of the T04-P4 – TCU Harness Overview
T04-P4 – TCU Input Harness Drawing
· This old style Level 1 harness was part of the economy series for Mercury and some people still prefer them today to save on expenses. The harness contains some TCU connections from the 6 Way Connector for some transmission combinations.
Design Points to take Notice of.
·This harness is used to connect 2x Tiptronic buttons for up and down shifting.
· It also has the GP2 output.
Wire Names and connections on this harness:
Buttons (Shielded) contains:
· Up Shift Input (Red)
· Down Shift Input (Blue)
· Earth (Black)
GP2 Output (Blue/White)
See the design drawing for thickness and lengths or wires. See the connection drawings in the specific product manual on how to connect the harness to each item it was designed for.
NB! Wires that are not connected must be isolated to prevent shorts or interference.