Oil pressure gage help!

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Jerry phillion

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It don't matter what color wire you adapted to the tan one.
You already have a sensor, so use it.also, you still never said
If you have tbi.
 

1987 GMC Jimmy

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Where both of my fingers are is where the sender bottoms out. Maybe have the wrong sender? Do you have a photo of yours?

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Yes. Just grabbed one. I have manifolds (soon to be headers), which probably grants me some clearance. Unfortunately, I lose it with the O2 sensor location. I had to buy a skinny AC Delco style one just to make it all work right there in the same area.

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And if you were thinking about getting me an early birthday present, get rid of that Fram oil filter. The horror stories and the proven poor relative construction make it worthwhile to avoid them like the plague. STP, Wix, AC Delco, NAPA Gold, Bosch, and pretty much anything else are better.
 

hatzie

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I never liked that location for the gauge sensor or fuel pump oil pressure switch. Too big and exposed to the exhaust and road debris.

I've teed the behind-the-manifold connection and plugged that above-the-filter port couple times.

They're 1/8 NPT fittings. Just grab some brass tubes and fittings at a real hardware store. The Borg don't stock them.
 

87Hi-v15HND

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It don't matter what color wire you adapted to the tan one.
You already have a sensor, so use it.also, you still never said
If you have tbi.
i have a TBI. i figured out what my problem was though.
 

87Hi-v15HND

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so rookie mistake fellas. the green wire i had plugged into my oil pressure sender actually goes to my temp sender. the tan wire for my oil sender was hiding behind my distributor but i didnt realize this until after i ran a mechanical oil pressure guage! now i just need to get a couple 1/4" NPT fittings to make an L shape above my oil filter so i can screw in my sender and do away with the mechanical guage. and then run the green wire to the temp sender that i didnt know existed on the driver side block and then i should be good to go. i thought the temp sensor on the top of the intake was for the guage on the dash but I guess its wired to the ECM.
 

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