Posted April 20, 200322 yr comment_34563 I have a 83 280 ZX .With a digital Insterment cluster.My Coolant temp gauge is not working.My Guess is that the sending unit is not working.I see 3 possible units on my engineOne at the front of the thermostat housing the otherson the passenger side of engine one in the block the otherin line with the heater hoseWitch one controls the temp gageThank you very much:classic: :classic: Link to comment https://www.classiczcars.com/forums/topic/5744-coolant-temp-sending-unit/ Share on other sites More sharing options...
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