1983zx Posted October 1, 2016 Share Posted October 1, 2016 Ok. Water temp in dash reads zero. Replaced temp sensor. Checked dash temp sensor with meter, Checked out fine. But orange sensor light still comes on, red "water" light stays lit and water temp still reads zero. While I was in there, changed water pump and thermostat. Am I missing something? I've cleaned the connections of the bullet on the temp sensor and where it connects. Why won't my water temp sensor work?! Please help. I'm new to z's but thought I tried to read up as much as possible. Have the manuals etc. Thanks fellows/ladies. 83zx N/A Quote Link to comment Share on other sites More sharing options...
NewZed Posted October 1, 2016 Share Posted October 1, 2016 The circuit for the gauge grounds through the "thermal transmitter" threads. No ground might mean no reading. Put meter probes on the transmitter body and the engine block and make sure you have continuity. Teflon tape and/or thread sealer might disrupt that ground circuit. The circuit is shown on page EL-83 (kind of a goofy diagram). It's the Y wire. Upper right is the transmitter. There's also a voltage regulator that's part of the gauge. Quote Link to comment Share on other sites More sharing options...
turbogrill Posted October 1, 2016 Share Posted October 1, 2016 Ok. Water temp in dash reads zero. Replaced temp sensor. Checked dash temp sensor with meter, Checked out fine. But orange sensor light still comes on, red "water" light stays lit and water temp still reads zero. While I was in there, changed water pump and thermostat. Am I missing something? I've cleaned the connections of the bullet on the temp sensor and where it connects. Why won't my water temp sensor work?! Please help. I'm new to z's but thought I tried to read up as much as possible. Have the manuals etc. Thanks fellows/ladies. 83zx N/A If you don't care about looks then save your self some time and buy a new gauge and sender. Lots of affordable ones. Quote Link to comment Share on other sites More sharing options...
1983zx Posted October 1, 2016 Author Share Posted October 1, 2016 Excellent. I will try that. I do have Teflon tape on it. I have a new sender and I know my gauge works. Thank you for the tips. I will let you know what I find. 83zx Quote Link to comment Share on other sites More sharing options...
justforkicks Posted November 25, 2016 Share Posted November 25, 2016 Does everything now work? Quote Link to comment Share on other sites More sharing options...
justforkicks Posted July 7, 2017 Share Posted July 7, 2017 Hit up for answer and then.....................................gone! Quote Link to comment Share on other sites More sharing options...
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