RK
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| posted on 1/7/09 at 03:09 PM |
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Oil Press gauge
Oil pressure gauge doesn't seem to read. It may be that I have an ON/OFF light sensor instead of one that works with a gauge. In any case, I
can't get an LED dash light to work. Shouldn't this illuminate if the engine is stopped?
There is a single wire coming off the sender, and the dash light is earthed.
I know the wires for LED's have to be a specific way, because the current only flows one way through them for it to work, and the LED does work
when tested.
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Project7
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| posted on 1/7/09 at 03:20 PM |
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If there is a single wire on the sender and you think it may be just a switch it will go to earth when the engine is not running so you should be
suppling a 12volt supply to the oil pressure LED.
No oil pressure, closed circuit, illuminated LED.
if it is a single wire sender for a gauge the resistance to earth will change with oil pressure.
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RK
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| posted on 1/7/09 at 03:23 PM |
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Gotcha. I'll try putting some (+) to the light.
Thank you!
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Project7
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| posted on 1/7/09 at 03:26 PM |
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You're welcome, I hope you get it working.
I struggled to get my oil pressure gauge working to, so you have my sympathy!
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RK
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| posted on 1/7/09 at 03:49 PM |
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Misery loves company. That's why we're here.
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adithorp
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| posted on 1/7/09 at 07:42 PM |
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How big is the sensor? A sensor for a gauge will be fairly large (1 1/2"ish) diameter whereas a switch for a light will be smaller than the hex
to screw it in.
adrian
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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RK
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| posted on 2/7/09 at 01:36 AM |
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it is biggish. None of my wiring is going well at this point. Can't get the volt meter to work at all; it either reads 16 volt or nothing or it
fries the fuses. I have burnt sixty fuses since I started wiring. It is pretty hard.
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