cooling fans won't run. 99 grand prix 3.8
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WilliamE (05-07-2014)
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Agree with Justin, I learned this the hard way, of course I got a T-Series SMP-TX66 because Rock Auto had it listed for my car, I found that it was totally the wrong ECT, I ended up getting an AC Delco 213815 and my sensor read correctly.
I have an old thread on another site that you may read if you like, there is some decent info in it, ways to test the dash gauge using resistors, as well as my woes from not getting an AC Delco or Delphi ECT in the first place.
Temp Gauge on Dash - 3800Pro.com Forum
If yours is showing that low of a temperature, something is adding like 90,000 ohms or so of resistance, that is not an exact number, but should be close, -40F should be 100,000 ohms of resistance.
I have an old thread on another site that you may read if you like, there is some decent info in it, ways to test the dash gauge using resistors, as well as my woes from not getting an AC Delco or Delphi ECT in the first place.
Temp Gauge on Dash - 3800Pro.com Forum
If yours is showing that low of a temperature, something is adding like 90,000 ohms or so of resistance, that is not an exact number, but should be close, -40F should be 100,000 ohms of resistance.
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Did you get the SMP TX66T, or the SMP TX66?
Either way I'd get an AC Delco one.
I see the same part number I mentioned is the OE one listed for your car, before getting that one verify that your sensor is the shorter ECT, pretty sure it is, but still verify before getting it, as most places to do not accept returns on electronic related parts.
Either way I'd get an AC Delco one.
I see the same part number I mentioned is the OE one listed for your car, before getting that one verify that your sensor is the shorter ECT, pretty sure it is, but still verify before getting it, as most places to do not accept returns on electronic related parts.
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ike (05-08-2014)
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Please do, good luck!
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Thanks for the update, glad the delco sensor fixed it for you!
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