High Mount brake wire
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High Mount brake wire
08 F250 Crew, SB, 4X4
I installed a cap and located the wire for the cap brake light. Connected that wire to hot lead from the cap and tried grounding to a bolt in the frame. No light. Then I grounded cap light to ground wire in left tail light. Still no light. Then I connected cap hot lead to left tail light. Now cap brake light works, but, flashes when I signal a left turn. Is there a maybe a blown or missing fuse for the center high mount wire?
I installed a cap and located the wire for the cap brake light. Connected that wire to hot lead from the cap and tried grounding to a bolt in the frame. No light. Then I grounded cap light to ground wire in left tail light. Still no light. Then I connected cap hot lead to left tail light. Now cap brake light works, but, flashes when I signal a left turn. Is there a maybe a blown or missing fuse for the center high mount wire?
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Freshman User
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Currently the brake light (in the cap) is working, but, it is not connected to the high mount wire, which is designed to power the cap brake light.
The wire that is supposed to power the cap brake light, appears to be dead. In the owners manual, I can't find any specific fuse that powers that wire.
The wire that is supposed to power the cap brake light, appears to be dead. In the owners manual, I can't find any specific fuse that powers that wire.
Thread Starter
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Freshman User
Joined: Nov 2008
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I took the truck to a dealer. Only took a few minutes and they said it was working. Also said they didn't do anything to it and nothing was wrong to start with.
Came home and connected it exactly as I had before (high mount wire to cap light power wire and cap light ground to tail light ground), and, like magic, it is working.
Came home and connected it exactly as I had before (high mount wire to cap light power wire and cap light ground to tail light ground), and, like magic, it is working.
