I tried doing this last night and it did not work. Do you have any power going to the switch at all? Doesn't seem like the switch is getting power from just the purple and black wires.
In your initial post about doing this, what did you mean by "switch the black wire around on the switch side...
Hey all, sorry for reviving an old thread. I'm working on wiring my compressor in on my truck inside the canopy.
Did you still attach the two black wires to the back of the switch like the wiring diagram in the install instructions say? Or did you only attach one black wire and the one purple...