Is the truck already wired with your harness? Is it in good shape? If its a decent harness already wired up I would either find an ignition to fit that plug or identify the wires from the plug, cut it off, and adapt it to the switch you want.
Good luck.
Jeff
"Do not walk behind me, for I may not lead. Do not walk ahead of me, for I may not follow. Do not walk beside me either. Just leave me alone, you're starting to freak me out."
1957 GMC 150
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