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International Automotive Technicians Network
Re: Advice on converting to electric fuel pump
Posted to Technical Discussion Forum on 4/30/2021

GM has used a 3-wire switch , in both 1/8 and 1/4 npt sizes, from the '80s Riviera and Cadillac, through the Astro/Safari stuff. The 2 opposing terms close with pressure while the 'center opens from ground, for the light. The old seal-beam headlight connectors... Login to read more.