I am comparing the wiring between a 46 GMC and 46 Chev I have and note a difference. The wiring on the GMC has 3 wires for the generator, whereas the Chev. only has two. Can someone explain what the difference means? Both the trucks, I am looking at, are 1.5 ton trucks. Could someone share a wiring diagram of a 1946 GMC with me?

smile Alan

1947 (early) GMC EC-302 Dump Truck
Jimmy
In the Stovebolt Gallery
More pix in Photobucket