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Where to buy 10-73 ohm Temperature Sending Unit

Heating / Cooling / AC

  1. Jimmmmmay

    Jimmmmmay Member

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    Joined:
    Jun 15, 2019
    Location:
    Cleveland, Ohio
    Hi everyone,

    I'm having trouble finding the right temperature sending unit to buy. I've verified that my temp gauge is working exactly the way I'd expect - grounded to the gauge makes the needle go all the way hot. Then I hooked up a resistor that was around 40 ohms to a ground and the needle was in the middle. I checked the resistance of the sending unit I had in the car and it's way higher than the expected value of between 10 and 73 ohms. I bought another sender off of ebay for an "ebody that has a temperature gauge and not warning lights" and same have the same issue. The resistance when the car is hot is at about 150 ohms so it's not registering on the gauge.

    Has anyone purchased a temperature sending unit with the correct range of 10-73 ohms? I see there are a bunch on RockAuto and Classic Industries, but I don't want to keep buying these and sending them back if they're not the right range. Just wanted if anyone on here has got the correct one for an ebody with rallye guages and where you purchased it from (links always appreciated).

    Thanks!!

    Jim
     
  2. Steve340

    Steve340 Well-Known Member

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    Joined:
    Sep 19, 2016
    Location:
    New Zealand
    I do not know the ohms reading for this unit. I purchased the stock gauge sender off Year One and it works good. I think it was around $15.
     
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