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Old 03-14-2018, 10:14 PM   #7
cwcarpenter98
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Join Date: Jan 2018
Location: Hickory Flat, GA
Posts: 4,421
Re: Brake Light and Turn Signal Diagnostics

I spent a while trying to track down why my truck didn't have brake lights or running lights, but the blinkers worked just fine at the time. Took me almost six months due to high school and baseball, but once I did, I wished I had looked there to begin with. I ended up replacing the rear light harness that goes from the frame to the lights, but that still didn't fix my issue. Turns out it was the fuse block inside the cab. One day, my dad was messing with the back side of the fuse block and wiggling stuff around and sure enough everything started working. The contact points had gotten very rusty. It ended up making my wipers not work at all either. I bought a original style fuse block from Brother's, but the company who makes it is M&H Electrical Fabricators Inc.

http://www.wiringharness.com/

Hope that kinda long explanation helps
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Christian Carpenter

1963 C10 - Frankentruck 283, 3 speed with overdrive
Overdrive wiring here
1963-ish truck bed trailer - Half-Wit

1981 C10 - Penny 305, th350

1995 Dodge Dakota Sport

"I'll put it simple: if you're going hard enough left, you'll find yourself turning right." - Doc Hudson
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