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Old 11-03-2008, 09:25 PM   #4
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Join Date: Dec 2007
Location: Palmer, Alaska
Posts: 13,812
Re: 1965-1966 gmc truck wiring questions

has it had a alternator upgrade? if so you won't have a visible voltage regulator, as they are internally regulated. your horn relay acts as a power distribution block

post pics if you can

Last edited by joe231; 11-03-2008 at 09:26 PM.
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