Hello guys, I have a 1990 peterbilt, I was wondering if any of you has had this problem.
when I turn my left signal on, it blinks 3 times before it cuts off, the volt gauge also moves back and forth while it blinks. And aside from that, my brake lights also go off and on. Sometimes I have to step on it really hard for the lights to work and sometimes I have to stomp on it. Also when I step on the brake pedal, the volt gauge moves along with it. Anybody have an idea what it could be? It’s really irritating. Another thing is my brake light button pops out on my fuse box down below. It’s a white little button you push in for the headlights to work, tail lights, etc. Please help
Peterbilt
Discussion in 'Ask An Owner Operator' started by Thotphobia, Jan 25, 2022.
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Sounds like you've got a broken ground somewhere in the wiring. When your flasher stops working is the flasher relay really hot?
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You have a short in your turn signal some where .. probably in the rear brake/turn light
Going by what your describing -
I found a plug connector back near the taillights and unplugged it,then my lights worked correctly and I knew the problem was in the tailight assembly.I went to the boneyard and found a decent looking tailight assembly and put it on the truck ,only a couple bolts and everything worked again
Accidental Trucker and Last Call Thank this. -
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What model Peterbilt,some brake switches are in different locations.
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There's an air manifold on the right side of the steering colum,near the floor,might be a cover over it.The switch is on the air manifold.
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CHECK ALL YOUR GROUNDS.
even the ones behind and under the dash.Beaver9 and shooter19802003 Thank this.
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