15. Remove the cable ties and remove harness from the PCM relay bracket.
a - Cable ties
b - Circuit breaker
Harness Installation
!
WARNING
Damaged wires can cause electrical problems, resulting in system failure. In some cases, this can affect boat operation,
leading to personal injury. Use conduit, hose clamps, grommets, or other appropriate measures to protect all electrical wires.
Do not overtighten clamps and keep harnesses away from heat sources during installation.
1. Attach the harness to the PCM relay bracket using cable ties. Attach the circuit breaker to the PCM relay bracket.
PCM relay bracket upside down to show the
cable ties
a - Cable ties
b - Circuit breaker
2. Attach the relays and fuses to the PCM relay bracket.
Engine Wiring Harness
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 3D-5
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