there are relays for the grid heater and you should have a relay for your fuel pump if you have a fast or air dog i have a air dog. and the triger wire off the relay has to be wired in to the fuse box so when you start the truck it montary shuts off the fuel pump hope that helps
which relay is for the fuel pump ?
there are relays for the grid heater and you should have a relay for your fuel pump if you have a fast or air dog i have a air dog. and the triger wire off the relay has to be wired in to the fuse box so when you start the truck it montary shuts off the fuel pump hope that helps
@ oh I see…thanks for the reply back