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Hey everybody, got a question:My 84 K-10 with a 350 is having a problem. First off, it runs perfectly fine. But something is draining the battery when it's just sitting in my driveway. I have to jump it off every time i try to drive it. It'll turn over, just not all the way. It's got a new battery (3 weeks old), a fairly new alternator (3 months old), a new starter (1 month old), and new battery cables. I had to put a cheap alternator and starter in it because it's my daily driver and that's all I could find on short notice. I'm hopefully going to get some good ones soon to replace those crappy re-manufactured parts with soon. I'm thinking I've got a wire grounding out somewhere but don't have any idea where to look. I've looked at every wire I can see under the hood and only found one the was bare. I wrapped it in electrical tape and made sure it was well away from any metal it could arc with. I just don't have a clue where I could look next. Any tips would be much appreciated.Thanks in advance!Rick
A multimeter is ok for checking but it gets old getting out and checking it each time if your leads are not long enough
A multimeter is ok for checking but it gets old getting out and checking it each time if your leads are not long enough, I disconnect the positive cable from the battery and hook a test light in between the positive connection and the battery. If you have a draw, the light will be on, then I pull fuses and disconnect circuits until the lamp goes out. Also, disconnect the alternator, if it has a bad diode it can still charge but cause a draw with the key off.
Cheap test light you can see from the cab works fine also.