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Re: Brake lights not working, but turn signals are???
[Re: buildanother]
#786852
08/30/10 10:15 PM
08/30/10 10:15 PM
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Joined: Sep 2005
Posts: 12,481 Chino Valley
RodStRace
I Live Here
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I Live Here
Joined: Sep 2005
Posts: 12,481
Chino Valley
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First, check the bulbs. I'm amazed how many vehicles I see with one of both burned out. Next, since your truck should have separate bulbs for the brake lights but the 3rd works (proving out the fuse and switch), check for power at the bulbs. If there is no power at the bulbs, check under the back. The most common fault is where someone hacked into the rear harness for the tow lights. Then where the harness follows along the frame, forward to the cab. Additions and damage should point to the areas to inspect closer. Last, get the wiring diagram and find where the wiring goes through the bulkhead. Check for power there. If you still have no power, it's going to be under the dash.
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Re: Brake lights not working, but turn signals are???
[Re: wkroncke17]
#786853
08/30/10 11:50 PM
08/30/10 11:50 PM
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Joined: Nov 2003
Posts: 10,228 Colleyville
3hundred
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 10,228
Colleyville
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You've heard of Canbus? If I remember right, and I'm not sure I do, even the lights run through the instrument cluster due to canbus. I've heard of some VERY weird seemingly unrelated problems solved by replacing the instrument cluster on some of these newer trucks. FWIW, YMMV, no warranty express or implied in this post.
Robert
'68 Fury Convertible '69 300 Convertible '15 Durango 5.7 Hemi '16 300 S Hemi
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