Re: Temp sender wire voltage?
I just went out and checked mine. I get 8.55 volts with the engine running and the green wire connected to the temp. sender and 12.5 volts with the wire disconnected (engine still running.) My gauge reads tends to stay on the lower end of the green range too, but will climb as the engine heats up in traffic jams and such.
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1990 Suburban Silverado
350, SM465 and 35" tires
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