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Old 02-10-2018, 01:24 PM   #7
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,912
Re: Adding my own electrical issue to the mix

You have a fairly big leak.
Did you leave the drivers' door open?
Are the cab interior lights (dome and courtesy) on?

What isn't fused?

Stock off the top of my head...
-The alternator BAT wire.
-The alternator Sense wire... SI alternator plug terminal #2.
-The headlamp switch.

The alternator could leak if the voltage regulator is not happy about life. Easy enough to unplug it and see.

Are any of your non-stock wiring, on the Junction stud blocks that I can see on the RH side of the firewall, powered outside of the fuse panel through the fusible link off the stock J-Studs or direct from unswitched battery power?
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RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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