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No reverse lights

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Old Jul 6, 2022 | 08:15 PM
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J ballan
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No reverse lights

Hello everybody, my 15 F350 has no reverse lights all of a sudden. There’s no power to the bulbs and the fuse in the passenger side kick panel is good and has power on both sides. Also the trailer wiring plug has power for the reverse lights. If somebody could point me in the right direction that would be great. Where is the reverse switch located? Or maybe a wiring diagram? Thanks in advance
 
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Old Jul 7, 2022 | 06:05 AM
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Where is the reverse switch located?
Doesn't have one. It uses a sensor inside the transmission. Yours is working as evidenced by the trailer reversing circuit working.

Schematic is below. Check the feed from the BJB (CLS28, BU-WT) to the reversing lamps. Suggest starting with the 16-pin inline connector C465 near the left rear corner of the frame.


 
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Old Jul 7, 2022 | 07:07 AM
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Will do. Thank you very much. I’ll post my results
 
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Old Jul 7, 2022 | 07:38 AM
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I should mention that I have a back up beeper tapped into the same circuit. I don’t think it would cause an issue but I’m going to unhook it today and see if that changes anything
 
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Old Jul 7, 2022 | 09:21 AM
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Originally Posted by J ballan
I should mention that I have a back up beeper tapped into the same circuit. I don’t think it would cause an issue but I’m going to unhook it today and see if that changes anything
Yeah, that would have been appropriate information to state up front.

Check for wiring fault at the point of the tap.
 
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Old Jul 7, 2022 | 12:29 PM
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Took apart the connector at the back of the frame and I noticed the clip was broken on it and the connector was damaged slightly. I had good power to the connector so I cleaned it up really good with brake clean and compressed air. Squirted some dielectric grease in it and plugged it back in. Working good now. I used a zip tie to hold the connector together. Thank you for the help. Much appreciated
 
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