Mercruiser 4.3 V6 electrical problems


Old 05-25-07, 05:42 PM
Thread Starter
Join Date: May 2007
Posts: 1
Unhappy Mercruiser 4.3 V6 electrical problems

I a Mercruiser 4.3 V6
I am having electrical problems the battery will not go past 11 volts,
Installed rebuit Alternator
New starter
New fuel Pump
A couple new batteries
And still will not go past 11 volts

Thinking the hook up for starter is wrong.
Any ideas??

Thanks in advance
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Old 05-26-07, 05:04 AM
Join Date: Aug 2005
Posts: 2,268
I'm assuming you've gone through a couple of batteries as they're draining..... Or did you just change them due to the readings and assumed they were the culprets? Are you checking voltage at original gauge - or with an accurate voltmeter? Point is, gauge could be bad.... Otherwise, you've got a short somewhere that is draining voltage. Electrical issues can be a real bear to troubleshoot - good luck!

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