Twin 115s were running great. Started right up and ran smooth across RPM range. Last time out the Starboard engine started stalling when shifting quickly into neutral. I adjusted the shift sensor and cleaned up some wiring. Then the Starboard engine started but would stall if I tried to shift into gear. Slow degradation until it wouldn't start at all. The Port side still fired right up (at first). Then the Port side started degrading until neither would start. What I've tried so far:
I’m stumped, but somehow thinking its related to the Pink/Black wire getting some sort of signal. Any thoughts what this could be?
- Disconnect white wires on lanyard. Tested the Lanyard
- Charged both batteries and cleaned the terminals
- Tested the shift sensors (they check out when running YDS as well)
- Ran diagnostics (everything came back okay). Interestingly, when I run the spark test I get a weak spark on every plug. When I crank the engine with a tester I get nothing. I assume this is because the engines are not turning over when using the YDS.
- Tried disconnecting the main harness to attempt isolating the engine. Pulled the plugs and jumped the Red / Yellow. Used the brown to red to crank. Still no spark.
I’m stumped, but somehow thinking its related to the Pink/Black wire getting some sort of signal. Any thoughts what this could be?
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