97 GC 4.0 I6 TSi, gauge issues,C1- A4 sensor ground? - JeepForum.com
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Unread 03-20-2014, 05:34 PM   #1
Glasshopper
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Join Date: Mar 2014
Location: Sacramento, CA
Posts: 1
97 GC 4.0 I6 TSi, gauge issues,C1- A4 sensor ground?

Hi, This is my first post, but I have been reading for years. I have gone through a couple fuel pumps and PCM's trying to figure out my no gas gauge issue.
I have gas I get good continuity, and .2 ohms from the fuel pump to the PCM Connector 3, C26.

My scanner shows no output on fuel gauge from my PCM.

If I disconnect the the battery and reconnect, the gauge registers for a few seconds then back to no gas.

I did a ohms check on the PCM, black connector, C1-A4 - Sensor Ground, I got 7.58 K ohms and no continuity beep to the battery ground wire.
The diode part of the continuity checker gave me a 1.524 normally I get around .2 if it beeps.

What should the sensor ground read? Am I testing the right parts?
Thanks,
Glasshopper

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