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Oil Pressure Wire Ohms Reading


Old 01-09-2018, 05:57 PM
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Join Date: Nov 2017
Location: Aurora, CO
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Default Oil Pressure Wire Ohms Reading

Trying to troubleshoot my no oil pressure indicated problem. I'm certain I've got oil pressure; just don't have any registered on the gauge.

I disconnected the Blue/White wire from the G terminal and grounded the wire. When I turn the key to ON w/o starting the engine I'm getting a 98.4 ohms reading and the dash gauge pins past the 5. Is this anywhere near correct?

(As for the sender, I had installed a Uro cheapie which is only giving me intermittent resistance readings with the engine running so I went ahead and ordered a OEM replacement.)

Meanwhile, I'm trying to determine that my wiring to the dash is not at fault. Trying to find my way through this maze.

I measured the continuity between the Blue/White wire on the oil pressure sensor and the 14 point connector and I'm getting 2.2 ohms there, so that leg seems OK.

Many thanks in advance.

Last edited by Coloradoguy; 01-09-2018 at 06:16 PM.
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