1989 f-150 4x4 temperature gauge

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05-26-2008, 02:07 PM

collinbu

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1989 f-150 4x4 temperature gauge

I AM THE PROUD OWNER OF A 1989 F-150 4X4 5.0 ENGINE MANUAL 5 SPEED W MANUAL/LOCKING HUBS. THE TEMPERATURE GAUG JUST QUIT SHOWING ANYTHING THE OTHER DAY. IF IT SETS A WHILE YOU CAN GO TO IT AND THE TEMP WILL BE SHOWING A LITTLE ON GAUGE. THEN TURN ON KEY AND IT GOES TO ZERO, WHICH I THINK IS NORMAL. AFTER WARMING UP IT USUALLY COMES UP TO A CERTAIN POINT BUT NOT NOW. IT NEVER LEAVES DEAD ZERO. I HAVE LOCATED TWO SENSORS, ONE AT THROTTLE BODY AND THE OTHER AT DRIVER'S SIDE FUEL RAIL.I HAVE TRIED GROUNDING BOTH SIDES OF BOTH OF THESE TWO WIRE CONNECTORS AND THE GAUGE NEVER MOVED. THE TRUCK IS NOT GETTING HOT, NO PROBLEMS OTHER THAN THIS. ARE THERE ANY OTHER SENSORS OR AM I CHECKING THEM IN THE WRONG WAY? THANKS FOR ANY HELP