I was lucky enough to find an NOS under dash 3 pole gauge light switch for my 42 1/2t. I can't find any wiring diagrams for the switch...I've got the interior under-dash light wired and working as well as the 3 in-gauge lights...My question is...should the in-gauge lights come on when you engage/pull out the headlight switch? if so how do you wire it?


Steve G.
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1942 Chevrolet 1/2-Ton Pickup Truck