Mercruiser Alpha 1 V-6 battery charging system

dfb

Seaman Apprentice
Joined
Apr 2, 2002
Messages
34
I have a 19 ft caravelle bowrider with V-6 mercruiser i/o motor. Where does the battery charging wire (from the voltage regulator) connect with the battery? My battery went dead on the second boat outing after the marina installed a new battery. When I looked at the battery, the main (large) black and red cables were connected to the battery. But I also noticed smaller red and black wires that were not connected to the battery (the wire ends looked like they were designed for battery connection). I hope these unconnected wires are the reason the battery lost its juice (ie. didn't get charged). Thanks in advance for any help to dysfunctional boat owner.
 

clanton

Rear Admiral
Joined
Jul 9, 2001
Messages
4,876
Re: Mercruiser Alpha 1 V-6 battery charging system

The alt wire probley connects to the battery wire at the starter solenoid. The other wires may be for pumps, tilt/trim, lights, guages, depends on who wired the boat.
 
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