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ls1nova71 · 05-07-2012, 08:39 PM

If the GBCM is unhooked the alternator will charge at a default of 13.8 volts, not sure thats 100% or not though. I was under the impression that the tune needed to be modified when the alternator is wired like the earlier ones.

05-07-2012, 08:39 PM	#23
ls1nova71 Registered User Join Date: Dec 2009 Location: Independence Mo Posts: 4,118	Re: Ls alt wiring If the GBCM is unhooked the alternator will charge at a default of 13.8 volts, not sure thats 100% or not though. I was under the impression that the tune needed to be modified when the alternator is wired like the earlier ones. __________________ My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html