Question about 1996 Honda Civic
Almost every 6 months or more im replacing my thermostat switch.
my temp gauge goes up and down abnormally especially if there is load. like for example, if i turn on my headlights it goes up, when i turned it off, the temp goes down.
I had same prob before, temp goes up and down when lights on. That thermo switch is located at the button of your distributor. You have two sensor there, take the smaller one on your left. Wiring could grounded or dirty clean it with contact cleaner......
Posted on Aug 04, 2010
The car is not overheating if the temp gauge goes up and down by turning the lights on and off. The gauge is giving you bad information. You can confirm this by starting the car from cold, sitting in the driveway, let the temp go to somewhere BEFORE normal operating temp, then turn on headlights and fan blower on high, watch the gauge, then turn them off. If the gauge moves significantly from the electrical load, you probably have a short or a bad ground connection.
You have a short circuit or bad wiring somewhere in the front half of the car. I don't know what thermostat switch you have replaced ... but it's not the problem .. stop buying them.
If you are the original owner, was there an accident that may have damaged some wiring? If you bought the car second hand, get a carfax and find out where the thing was hit ... concentrate your wiring trouble shooting in that area.
I think it is something OTHER than the temperature sending unit or the gauge
Posted on Oct 29, 2008
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Posted on Jan 02, 2017
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