91 22RE Should my Oil Pressure Warning light come on when disconnected?
#1
91 22RE Should my Oil Pressure Warning light come on when disconnected?
91 22RE OIl Pressure Warning Light
When the key is turned to the start position the Warning Light is illuminated.
When I start the engine the light goes off and stays off while the engine is running.
I got curious and disconnected the sending unit while the engine was running.
The Warning Light light didn't come on.
Is that normal?
This is the newest vehicle I've owned so how the idiot light functions is a mystery to me.
When the key is turned to the start position the Warning Light is illuminated.
When I start the engine the light goes off and stays off while the engine is running.
I got curious and disconnected the sending unit while the engine was running.
The Warning Light light didn't come on.
Is that normal?
This is the newest vehicle I've owned so how the idiot light functions is a mystery to me.
#2
Just found someone mentioning that the wire should be touched to ground to test it for proper function. If touched to ground it should come on.
Just found how to test it here http://personal.utulsa.edu/~nathan-b.../6combinat.pdf
page BE-37
Just found how to test it here http://personal.utulsa.edu/~nathan-b.../6combinat.pdf
page BE-37
Last edited by Odin; 07-14-2015 at 09:48 PM.
#3
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If the switch is unplugged it can not work
Yes the warning light is a switch that opens when a very small amount of pressure is detected like 4 psi
Oil pressure drops below 4psi the switch closes the light comes on.
Hence the term Idiot light !!I would hate to be driving along and the light come on things are already most likely Fubared!!
Not so much for you Odin but the others.
Yes the warning light is a switch that opens when a very small amount of pressure is detected like 4 psi
Oil pressure drops below 4psi the switch closes the light comes on.
Hence the term Idiot light !!I would hate to be driving along and the light come on things are already most likely Fubared!!
Not so much for you Odin but the others.
Last edited by wyoming9; 07-14-2015 at 11:02 PM.
#4
Where's a good place to mount it?
I normally mount gauges under the dashboard toward the middle but it looks like I'd have to make a custom bracket for that.
I also thought about mounting it under the dashboard near my leg but it looks like it might get in the way. On top of the dashboard is out of the question.
I normally mount gauges under the dashboard toward the middle but it looks like I'd have to make a custom bracket for that.
I also thought about mounting it under the dashboard near my leg but it looks like it might get in the way. On top of the dashboard is out of the question.
Last edited by Odin; 07-15-2015 at 08:25 AM.
#7
grumpin- That is one of the places I was talking about mounting it. The lower panel where you have your gauge is different than mine. Mine extends down further making it a bit of a pain to mount there.
Maybe if I stored my panel and cut that area out on a donor.
I'll have to look and see what's behind there.
Not too eager right now, weather is hot again.
I'd REALLY like to have a good console to mount oil & water gauges into plus a couple of cup holders further back toward the seat.
Maybe if I stored my panel and cut that area out on a donor.
I'll have to look and see what's behind there.
Not too eager right now, weather is hot again.
I'd REALLY like to have a good console to mount oil & water gauges into plus a couple of cup holders further back toward the seat.
Last edited by Odin; 07-15-2015 at 03:27 PM.
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#8
Verified the idiot light circuit is functioning correctly. That doesn't mean the sending unit is still within specifications though. I didn't see how to test for that.
Last edited by Odin; 07-15-2015 at 03:29 PM.
#9
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grumpin- That is one of the places I was talking about mounting it. The lower panel where you have your gauge is different than mine. Mine extends down further making it a bit of a pain to mount there.
Maybe if I stored my panel and cut that area out on a donor.
I'll have to look and see what's behind there.
Not too eager right now, weather is hot again.
I'd REALLY like to have a good console to mount oil & water gauges into plus a couple of cup holders further back toward the seat.
Maybe if I stored my panel and cut that area out on a donor.
I'll have to look and see what's behind there.
Not too eager right now, weather is hot again.
I'd REALLY like to have a good console to mount oil & water gauges into plus a couple of cup holders further back toward the seat.
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