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So, I’ve got a buddy with an 89 Camaro with a 350 in it. He’s been trying to fix an issue of no power getting to the fuse box. I’m heading over to see if I can help him troubleshoot it Friday. He’s fairly seasoned, so it’s either something stupidly obvious that it would be easy to overlook, or something really bizarre. Electrical issues have never been my forte, but I figured my fresh set of eyes might be potentially helpful. Looking for some ideas from some of you guys though on what you would check first. Any thoughts are appreciated.
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heres a wiring diagram link to help you with your problemC8-)
Not sure if the F Body of that era used it but GM used what they called an auxiliary battery post which attaches the battery positive to the main fuse panel. A single jam nut on a plastic mounted zinc bolt is all that connects everything except for the starter and the alternator. Loose or corroded connection causes major heatup and melted plastic with major or no power issues. There is a Caprice forum with the how to fix procedure if this is the case.
The fuse box should be on a main feed from the battery somewhere, checking connections as suggested is a great first start but you might also check to see if there is a main fuse or fusable link before the fuse box itself that might be bad. I would suggest following the positive battery cables from the battery for starters to see if it’s an obvious problem.
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