Quick oil pressure gauge wiring question |
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Quick oil pressure gauge wiring question |
Tdskip |
Mar 25 2020, 06:05 AM
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#1
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Advanced Member Group: Members Posts: 3,697 Joined: 1-December 17 From: soCal Member No.: 21,666 Region Association: None |
Good morning - hope everyone is going well.
I have an oil pressure gauge that looks like this one (not my car in picture but same sender), 1) I believe one terminal is for the actual pressure reading and one if for the warning light? 2) If that ^^^^ is correct does it matter which terminal is which? in other words is one terminal specific for the actual pressure reading? Thanks! |
framos914 |
Apr 19 2020, 01:29 AM
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#2
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Member Group: Members Posts: 125 Joined: 15-May 14 From: Corona California Member No.: 17,353 Region Association: Southern California |
Yes, the oil pressure warning light.
On the sender the G pole connection goes to the gauge and that works fine registering the pressure in PSI. When i disconnect the wire at the WK pole of sender and ground it to engine the light turns on proving wiring to the warning light is good. I believe the sender is bad, but the ones I see are 150 psi, don't think it will work with my 0-70 PSI gauge. It's a 1974 2.0 engine. |
rgalla9146 |
Apr 19 2020, 08:15 AM
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#3
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Advanced Member Group: Members Posts: 4,624 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None |
Yes, the oil pressure warning light. On the sender the G pole connection goes to the gauge and that works fine registering the pressure in PSI. When i disconnect the wire at the WK pole of sender and ground it to engine the light turns on proving wiring to the warning light is good. I believe the sender is bad, but the ones I see are 150 psi, don't think it will work with my 0-70 PSI gauge. It's a 1974 2.0 engine. Any chance you used teflon tape on the sender ? Doesn't seem posible the gauge works but the light doesn't ground. Test the sender directly with a test light. Attach one leg of light to battery, other to post on sender. Lamp should be on untill engine starts. Oil pressure removes the ground. |
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