4 Pin Wiring Harness

4 Pin Wiring Harness. We build ecu wiring harnesses for our production items and for our own racing activities. The harness does not plug into the ECU.

York 373-25771-000 4 Pin Wiring Harness (Kathryn Silva)

I have both harnesses (US - and Canadian). The remaining color is the ground wire. There should be a common color for both the tail lights.

There should be a common color for both the tail lights.

I have both harnesses (US - and Canadian).

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Is it time to replace your Mercury boat engine's wiring harness? Can I match the colors and run a wire back to the ECU pin of the AltC (Alternator control pin) for the extra wire? Post your Products or Selling Leads for FREE!