oil pressure
Former Vendor
Joined: Aug 2006
Posts: 76,656
Likes: 1,852
From: Jeffersonville Indiana 812-288-7103
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15
Lol.. you've asked the right man I suppose..
Okay if the gauge is pegged to the right you are missing input signal... Remove the wire from the sending unit and ground it out to the block...
See if the gauge goes to 0... If it does it confirms A) the gauge is working, B) you don't have a wire issue. Replace the sender.
If the gauge doesn't respond, then you have an issue in the wire between the sender and the gauge...
The fact that the gauge is pegged tells me you have power and ground... so you have already eliminated those two issues.
You can test the sender with an ohm's meter for output.. but the above test will tell you the tale without one.
A fuel gauge and oil pressure gauge work the same with the only difference being the scale on the face and the response time of the gauge. (Oil pressure gauges react way faster)... But here is the fuel gauge video... just ignore the word fuel and your oil pressure gauge works the exact same way on the same scale. 0 - 90 ohms with 0 ohms = 0 pressure, 45 ohms being 40 lbs and 90 ohms being 80 lbs..
Willcox
Okay if the gauge is pegged to the right you are missing input signal... Remove the wire from the sending unit and ground it out to the block...
See if the gauge goes to 0... If it does it confirms A) the gauge is working, B) you don't have a wire issue. Replace the sender.
If the gauge doesn't respond, then you have an issue in the wire between the sender and the gauge...
The fact that the gauge is pegged tells me you have power and ground... so you have already eliminated those two issues.
You can test the sender with an ohm's meter for output.. but the above test will tell you the tale without one.
A fuel gauge and oil pressure gauge work the same with the only difference being the scale on the face and the response time of the gauge. (Oil pressure gauges react way faster)... But here is the fuel gauge video... just ignore the word fuel and your oil pressure gauge works the exact same way on the same scale. 0 - 90 ohms with 0 ohms = 0 pressure, 45 ohms being 40 lbs and 90 ohms being 80 lbs..
Willcox
Last edited by Willcox Corvette; Jan 15, 2014 at 09:20 PM.
Thread Starter
Burning Brakes
Joined: Dec 2002
Posts: 1,179
Likes: 3
From: STANTON CA
Lol.. you've asked the right man I suppose..
Okay if the gauge is pegged to the right you are missing input signal... Remove the wire from the sending unit and ground it out to the block...
See if the gauge goes to 0... If it does it confirms A) the gauge is working, B) you don't have a wire issue. Replace the sender.
If the gauge doesn't respond, then you have an issue in the wire between the sender and the gauge...
The fact that the gauge is pegged tells me you have power and ground... so you have already eliminated those two issues.
You can test the sender with an ohm's meter for output.. but the above test will tell you the tale without one.
Willcox
Okay if the gauge is pegged to the right you are missing input signal... Remove the wire from the sending unit and ground it out to the block...
See if the gauge goes to 0... If it does it confirms A) the gauge is working, B) you don't have a wire issue. Replace the sender.
If the gauge doesn't respond, then you have an issue in the wire between the sender and the gauge...
The fact that the gauge is pegged tells me you have power and ground... so you have already eliminated those two issues.
You can test the sender with an ohm's meter for output.. but the above test will tell you the tale without one.
Willcox
Thanks
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