My Tech tpi temp gauge reads hotter than it is? What type resistor can I put in on 1994 Dodge Ram 1500

I have put some older resistors in line with it but it makes it stay on 0. Thanks

by in Adairsville, GA on August 09, 2013
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1 answer
ANSWER by , August 11, 2013
How hot is the truck running? I know you say, that's my problem. Well buy a noncontact thermometer.