Quote:
Originally Posted by Wrenchbender Ret
The red light should come on when the key is turned to start position. The green comes on when the key is in run position & goes out when the coolant starts to warm up. Its a good idea to replace the sending unit everytime you get a truck with this system. There is no easy way to test the hot side.
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my engine starts so fast i don't have time to see if the red light comes on. what could be my problem?