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This is now my second time that my pyro gauge does not work. I just finished installing the second one this morning and it still wont calibrate itself. Its like it has no power even though it has power. Its the same thing the first gauge did. All my other Auto Meter gauges work fine. Does anyone know what Im doing wrong? All the connections are good. My water temp calibrates just fine. I'm very distraught along with confused that it still doesn't work. Auto Meter doesn't seem to have the answer either besides sending me a new one. Which that didn't work either. I'm at the end of my rope guys. Maybe I should have went with a digital screen. Maybe I should have just went with cheapies instead of paying high dollar for these autos...
Autometer did have some trouble with their pyro gages a while back. I assume you're getting warranty coverage on the gage? Are they sending complete new gage or just the part they think is busted?
When I installed mine, I made the mistake of wiring the power for the pyrometer to the same wires that supplied power for the other guages. Pyro would peg high or low, but never worked. Once I provided separate power leads for the pyro guage itself, everything worked correctly.