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Old 07-24-2008
Zs02Edge's Avatar
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Oil pressure gauge in an 02

I thought I read a thread (or at least a few posts in a thread) on here regarding changing the dummy gauge for the oil pressure into a functioning gauge. If I remember correctly, the simple how to didn't work on an 02 and something else had to be done in order for it to work. Can someone clue me in, I've searched a little but haven't found anything yet. Thanks.
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Old 07-24-2008
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I converted mine by swapping a 95 OP gauge into my 03 cluster. 95 is the only year Ranger with a real OP gauge that can be driven by a variable sending unit AND will also fit in a 95~03 cluster. The large OE Ford SU from an 80's Ranger can be installed without too much trouble on a 3.0L but has clearance issues on a 4.0L. I believe that the correct SU for the 95 OP gauge is PS60.
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Old 07-24-2008
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so '95 ranger cluster to rip the gauge itself off of, and a sending unit off '95 ranger? Any other options on the sending unit?
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Old 07-24-2008
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Quote:
Originally Posted by Fx4wannabe01 View Post
so '95 ranger cluster to rip the gauge itself off of, and a sending unit off '95 ranger? Any other options on the sending unit?
No, the 95 sending switch will not work because it is the same type of on/off switch that we have on the later Rangers. A Standard Products PS60 or equivalent sending unit should work well with the 95 OP gauge.

Like I said, the PS60 should be adaptable to the 3.0L but it is too bulky to fit directly into the block on the 4.0's because of the A/C lines nearby. It might be possible to remote mount the PS60 but I prefer not to add any extra plumbing to a pressurized oil line.

Instead, I chose a narrow Chrysler PS210 SU for mine when it had the 4.0L. It clears the A/C obstructions but the resistance curve is not correct for the Ford gauge. To get it to read correctly, I had to change a resistor on the back of the gauge and move the needle position.
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Old 07-24-2008
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Thanks Bob!
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