I have a 2001 Ram 2500 with the Cummins. I recently had my rear brake
lights and turn signals go out on it. I have turn signlas up front,
the 3rd brake light works fine, the fuses are all good in the fuse box
and the PDC, and the brake lights and turn signals work fine on my
trailer harness plug in, oh and the bulbs are good but there is no
power at the bulb sockets for either the brake light or turn
signal...however there are running lights...any ideas what else to
On Mar 27, 11:18�am, email@example.com wrote:
A lot will depend on where the trailer harness/lights are connected.
And how connected. On my truck the trailer lights are connected to the
rear light harness, and then to relays that connect power from the
fuse box, PDC, under the hood. This way the turn signal flashing is
not dependent on whether the trailer is connected.
My guess is there is a problem with the connector to rear lighting or
a bad ground. According to the Factory Service Manual, there are 2 or
more grounds connected to the body and or the frame. I would not think
that any connectors have become disconnected.
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