Originally Posted by robert_l_ross
...we were just discussing that. My 2000 only had wiring for power/heat (no signals). The OP's truck has signals in the paddle mirrors, but those don't have a running light function.
So...the question: Anyone out there swapped paddle style mirrors with signals? If so, did you have to add the wire for the running light portion, or was that already in the harness?
I had signals but no running lights. I pulled the running light power from the headlight switch.