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Posted by AJ on Monday, May 21, 2018:

In Reply to: CX100 temp gauge show hot but it's not posted by Dave on Sunday, May 20, 2018:

I'm the same I like things to be perfect,try taking the wire/s off the sender unit and run the engine up and see if there is anything else influencing the gauge,how many wires go to the sender,some had one and some two,with the one wire it was very simple wiring,power was sent to one side of the gauge when the ignition was switched on,the other side of the gauge went to ground through the sender,when the coolant got hot the wax in the sender expands and pushes a piston like resistor,the shorter the resistor is made the stronger the ground and the higher the needle will read in the gauge,has your got a warning buzzer.see what you find.

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