Tail light fuse keeps popping out. 1994 Peterbilt 378

rocksteady176 · Feb 24, 2021

Nestor said: ↑

Wondering if anyone ran into this problem before need some help. Truck is a 1994 Peterbilt 378 dump truck .
My tail light fuse keeps pooping after 3 seconds that I switch up the clearance lights . That switch turns on my clearance lights, dash lights and tail lights. And I think high beam . It only did it to me like once or twice before . Today it just keeps popping it right out as soon as I turn switch up.
With fuse popped out everything else works such as blinkers headlights brake lights . Any suggestions thank you ! I don’t know where to start
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rocksteady176 · Feb 24, 2021

Not sure you got the issue fixed yet but I just ran into the same kind of problem. It turned out being a relay for the marker lights. I replaced all relays and switch actuator relays and it works fine now.

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Tail light fuse keeps popping out. 1994 Peterbilt 378

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Tail light fuse keeps popping out. 1994 Peterbilt 378

rocksteady176 Bobtail Member

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