Pdm ?
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Registered User
Joined: Oct 2014
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Pdm ?
I have an issue with my truck, all my lights work fine, EXCEPT the factory trailer plug, lost my left turn signal, right brake light and trailer brakes at the plug......could this be the PDM....FCM ?
Record Breaker
Joined: Jul 2012
Posts: 1,084
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Could also be the connector.
They are relatively inexpensive to replace if found to be problematic.
Also, try hooking to another trailer with the same style connector as it could help eliminate that as being the issue if it works.
