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Old 06-02-2008, 05:24 AM
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elect. oil psi gage

looking for some help with a elect. oil psi gage i have a 6 volt pos ground system and i found a 6 volt neg ground oil psi gage.
now the question is.
the sending unit is a standard 6 volt pos. grd.(for a 292 55 thunderbird lights on dash) does the sending unit operate as a on off switch or a transducer?
and can i take the leads and reverse them as long as i do not mount the gage to any part of the car? (in wood or fiberglass)
thank you

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Old 06-02-2008, 07:37 AM
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elect. oil psi gage

If the sending unit is operating a dash light(so called idot light) most likely is a switch and will not operate a gauge ,you will have to find a sending unit that was designed for a gauge -----------or just put a mechanial unit in if you are careful and seal the fittings with teflon tape you won't have any leaks.

Good Luck
Kenny
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Old 06-02-2008, 11:54 AM
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I know nothing about 6 volt, however, you do need the correct sending unit for the gauge as Shelby1 stated.

I know...mine is 12 V, but I installed mechanical oil pressure gauges in mine. No leaks or anything. The gauges have been in there a little over a year now.
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Old 06-06-2008, 02:13 PM
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thank you all for the help i think i will do as you say but do just a little more i think i will check on using a rubber hose over a copper line seal both ends if i can there was a guy on here some time ago that suggested this to me i am going to see if i can do it .
the oil on my new carpet would be hard to take
again thank you all
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Old 06-08-2008, 01:18 AM
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Its pretty easy. The electricity is still flowing the same direction, its just that you're using positive as common and negative as the "supply".

The sender wire goes to the sender as always. The positive post goes to ground, and the ground gets the "power in" wire which in your car is connected to the negative post of the battery.

The polarity is the same, its just that you are wiring it based on the car being different.
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