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Thread: 83 cabby temp gauge????

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    New Member Meisterdog is a jewel in the rough Meisterdog's Avatar
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    83 cabby temp gauge????

    I tested gauge at binical w 9v battery gauge goes up and lights up nothing when grounded red/yellow wire installed new sensor nothing stumped ??? Help where next ???

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    Super Moderator briano1234 has a reputation beyond reputebriano1234 has a reputation beyond reputebriano1234 has a reputation beyond reputebriano1234 has a reputation beyond reputebriano1234 has a reputation beyond reputebriano1234 has a reputation beyond reputebriano1234 has a reputation beyond reputebriano1234 has a reputation beyond reputebriano1234 has a reputation beyond reputebriano1234 has a reputation beyond reputebriano1234 has a reputation beyond repute briano1234's Avatar
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    Re: 83 cabby temp gauge????

    What is the fuel gauge doing?

    The red/yellow? It should be Blue/Yellow to the Temp gauge pin 18.

    The water temp and the fuel gauge share a common voltage source from the 10V Stabilizer.
    On the back side of the cluster where the gauge is nutted to the cluster mylar, you should have 3 studs.
    One is at 10V+ one at sensor ground, and one for the blinky light (middle of the 3 IIRC).

    Measure the voltage at the 2 outer pins, Do you have 10V on the input, and if you take the wire off the sender in the engine compartment, and ground it. Do you read 0 ohms at the connector stud of the gauge?

    The 10V stabilizer is at the top or side of the rear of the cluster. You should see that pin 2 is ground (middle pin), one leg is at 12V+ (battery), and the other leg at 9.5-10.4V+ compared to the middle leg or ground.

    I have seen new sensors bad out of the box. The Sender is on the water outlet flange, 2 places that I have seen is the transmission side flange, and the Front (grille) side of the engine water outlet flange.
    What do Divorces, Great Coffee and Cars all have in common?
    They all Start with good GROUNDS.
    Replace all of them that you can, 99 percent of flakiness will disappear.


    92, 93 Cabriolet.... 89, and 90 are Deceased.


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