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Joined: Jul 2003
Posts: 726
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Member
Joined: Jul 2003
Posts: 726
Hi Guys ,

Been a while since i have been on here, but none the less, I need some assistance on the correct OHMS for the OIL pressure gauge and the Temp Gauge shunts. My gauges both read way too high , so after a lot of checking the dash came out I then OHM'ed the resistance .
On the temp gauge i have (these are still mounted in the housing , but unplugged from the dash harness)59 OHMS and the Oil pressure is 38 OHMs. It looks like when I cleaned everything up (years ago) I got them accidentally swapped. Can anyone verify these readings or point me to a list or reference of some sort.
Bob

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Joined: Aug 2011
Posts: 1,170
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Joined: Aug 2011
Posts: 1,170
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Not sure if you can re-calibrate like a fuel sending unit. The trouble with most temp senders is they are fubard from the manufacturer. I've gone though several senders and they all read different. I would replace the oil sender and read up on the temp gauge/sender here: https://www.americanautowire.com/view-faq/general-motors-temperature-gauge-troubleshooting/


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