Posessed Temp Gauge

4441 Views 25 Replies 11 Participants Last post by elhsupra, Mar 17, 2005

MK2Racer

Discussion Starter · May 18, 2003

Okay, my temp gauge is posessed. Well, probably not, but it is broken. It reads accurately while cold, then once it warms up to op. temp, it keeps climbing, making me think I am overheating. Sometimes if I tap on the gauge cluster it jumps to normal and stays, other times it does nothing, other times it jumps back and forth. If I do nothing, it will tick back and forth rapidly and then settle back down to where it ought to be. When I park, after driving for a while, and get back in the car, it reads all the way at H for a few minutes, then jumps back down to normal. Do you think this is the gauge, sensor, sending unit, wiring, or something else? What would the procedure be for testing the various parts?

-Ken

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Peewee

· #23 · Mar 17, 2005

The square connector looks like the CSI connector?
Not sure about the red one though.
Been a while since I was around a 5M

But the temp guage sensor wire/plug is a little spade terminal, under the dizzy, behind the thermostat housing.

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Peewee

· #25 · Mar 17, 2005

Look at the colour of the wire on the red plug, and trace it with a diagram.

Do the same with the square plug.

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