Quote:
Originally Posted by Allensracing
what year is the truck? or more importantly, what alternator are you using? it used to be normal for the charging system to not keep up at idle. those 35 amp alternators cant keep the headlights going at idle
it sounds like the alternator is not giving enough juice at low rpm
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Sorry, forgot to mention it's a 67 with a 350 crate in it. Not sure about the alternator. How do I tell?