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Old 06-17-2006, 21:52   #1 (permalink)
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oil pressure sender

can any one tell me how the the sender works? is it mechanical or vaccum operated. are they easy to replace?
i was sorting out the wires trying to clean up the spagetti arrangment and try to fix the alternator surges, have got that under control but now theres no reading on the oil gauge.

???
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Old 06-17-2006, 23:30   #2 (permalink)
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Re: oil pressure sender

the most conventional sender unit is electric basically has 1 wire and earths thru the engine to chassis there are also capillery gauges which has an actual oil line to the bak of the the gauge, these are probably more accurate but i dont like the idea of having an oil pressure line in the cabin or pointing at the windscreen. Have u reconnected the correct wire to the oil sender, u may have to retrace ur work, if its a mechanical(capillery) sender u may have hinked the hose when tidying up the wiring at the firewall. Gud Luck
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Old 06-18-2006, 01:54   #3 (permalink)
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Re: oil pressure sender

mine has one terminal and no oil lines, it's electrical.
just bought a new one and still no result.
have tried to see if the fault was in the wiring loom plug thats
fixed to the firewall, i connected a wire from the sender to the cab side of the plug to bypass the plug and still nothing.
i'm guessing the fault is between the plug and the gauge.
thing is i didnt work near that plug today when i was re arranging wires or go near the sender??

is there a way i can test to make sure that the sender is working, ie test lamp or voltage?
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Old 06-19-2006, 00:21   #4 (permalink)
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Re: oil pressure sender

umm nt sure bout testing stuff but try running a lead from the (+) on the battery to the sender wif the wire plugged in and see if the gauge moves
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Old 06-19-2006, 03:04   #5 (permalink)
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Re: oil pressure sender

still nothing
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Old 06-19-2006, 21:31   #6 (permalink)
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Re: oil pressure sender

I think the gauge should have 4 wires going to it . . .

- one that goes to the sender,
- a positive (usually red),
- a negative (usually black),
- and one for the gauge's light.

The problem may be with the positive or negative wires, though they can easily be tested.
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Old 06-20-2006, 04:02   #7 (permalink)
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Re: oil pressure sender

cheers for the help guys, found the culprit was a bad conection with the line going to the sender. did one last check to make sure before diving behind the dash.
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