Posted 8/1/2024 16:05 (#10835487 - in reply to #10835368) Subject: RE: coolant temp gauge quit working- MF 3680
Wisconsin
Built around 1990? That's what I would have done, you should be able to attach it to ground and the gauge should go to "high". If you're worried about it, use a 1 amp fuse. Or check the voltage on the wire, should be able to read voltage with the key on.