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Oil pressure gauge needle is irratic

Tiny
PACKERS27
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  • 187 POSTS
Also, where do I probe the ground for ohms on the oil sender unit? Its only a one wire harness connector.
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Monday, December 9th, 2019 AT 7:13 PM
Tiny
KASEKENNY
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Correct. You are going to need to make sure the level is proper. Then you measure resistance across the sensor which means you measure on the one terminal and then to ground. As you see the sensor is grounded straight to the block.
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Tuesday, December 10th, 2019 AT 4:45 PM
Tiny
PACKERS27
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So ground to anything?
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Tuesday, December 10th, 2019 AT 11:06 PM
Tiny
KASEKENNY
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You can but I would suggest using the case itself or run a wire directly from the negative battery post. If you use this then you never have an issue with getting a poor ground for testing purposes.
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Wednesday, December 11th, 2019 AT 6:22 PM

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