Re: fuel pump electrical supply, 1984 T-Type
The black wire is ground.
The pink wire is a resistance signal from the level sender.
The Tan/white wire is to supply 12v to the pump.
It wont hurt to do what you want to to test it. Just DON'T hit the pink wire with 12v.
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TurboDave EWCS(SW) USN Ret
H&N Turbo Racing
Sevierville, TN
SD2 Speed Density fuel, spark and boost management
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