Merc 25HP Big Foot 4 cycle wiring question

eTreker

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Apr 8, 2008
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Greetings! I am hoping that someone would be kind enough to verify that a few wires are properly connected in my 2001 Merc (Yamaha) 4 stroke 25 HP Big Foot OB motor. It runs fine but is hard to start after it has sat a bit, which I can deal with. But in doing some minor lube and service on it, I noticed something that appears odd with the wiring at the front of the power head.

Three single wires are of concern - each has quick connectors. There is a blue/white connected to a green/white, a green/white connected to a blue/white, and finally a brown/white that is disconnected from it's brown/white. Logic would tell me that the blue/white should go the to blue/white and the green/white should to the green/white...is it proper that they are 'cross-connected'? Finally, I'd think that the brown/white, which is disconnected from it's mate, should be connected.

I've attached a picture that shows all three wires. Any help with this appreciated!!!



Thanks!
 

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