one taillight fails to work on brake light and turn signal. Taillight bulb is working. turn signal and brake light blink once and then fail. Socket has been changed, still not working. what would cause this
Could be any part of the circuit. Bad wiring harness or connections. Possibly a bad component. Looking at the diagram provided it is clear that some testing with a multi-meter might be in store. If you have had any sort of trailer wiring installed, look there first.
Exterior lighting wiring diagram 2008 Dodge Grand Caravan