I have read some older posts on this issues and tried the suggestions but to no avail. This is a standard gauge cluster in a 72 dart that has a new circuit board and the ivr is new also. I have made the temp gauge work I believe by grounding the sensor on the brass just below the threaded pin that the harness attaches to but if I try to ground any lower nothing happen, I am running a ld340 intake and I have the ground from the block to the firewall. The sensor is good as l get temp readings...
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