Overview

Products that can use this harness

• Mercury and Mercury2

History

· 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 all TCU connections from the 8 Way Connector for most transmission combinations.
·This harness was made for a specific transmission. It has 2 negative driver diode boards installed in the harness.

Design Points to take Notice of.

·This harness has 6 negative drivers used for 5x PWM Solenoids and 1 for other features.
·It has the Speed Output for speedometers.
·It has GP1 output for general purpose features.

Wire Names and connections on this harness:

6x Negative outputs (Various Colours)
Speed Output (Green)
GP1 Output (Blue/Orange)

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.