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Old 02-07-2018, 03:50 AM   #1
76/85 Truck
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Join Date: Jun 2010
Location: Libby, MT
Posts: 163
Parasitic Draw

Hello all! My new battery keeps dying after about 3 days in my 85 k20. I've tested the draw, and I get about 0.180A. I started pulling fuses and found the Horn/dome fuse to be my draw. My horn works normally, and the dome light is completely disconnected.

I'm fairly good at electrical but this one is really getting me. Does anything else run off that fuse? I have an aftermarket radio and tach but those don't seem to be the issue.

Appreciate any help!
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Rich



My first truck!! 1976 Chevy 3/4 ton Camper Special and a 1985 GMC body. Has a 350, 4 BBL Edelbrock, with a Turbo 350, and NP205 T-case.
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