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04-23-2019, 07:27 PM
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#9 |
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Registered User
 
Join Date: Oct 2012
Location: Eldon, MO
Posts: 1,753
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Re: Coolant temp gauge
The sender is just a variable ground. Turn the key on, ground the sender wire to something and see if the gague moves. This should rule out all except the sender. Then with engine cool check for a short between the contact and body of sender. Also do not use thread tape, the threads provide the ground to the block or whatever it’s screwed in to.
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