Question about 1993 Pontiac Grand Am

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I would like to hook up an aftermarket oil pressure gage

I have a 93 grand am 2.3l quad 4 whare would be the best place on this engine to hook the gage to

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  • gearhead1473 Mar 13, 2009

    Thats what I had in mind utill I got under the car and couldent find the stock sending unit location.I know it sounds stupid, but on a v8 chevy or ford its by the oil filter. An easy find but on this quad 4 I have no clue.The only thing down by the oil filter is the knock sencer

  • gearhead1473 Mar 14, 2009

    thanks I found it I got it hooked up and working agian thank you

  • Rob
    Rob May 11, 2010

    What type of guage?

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  • Pontiac Master
  • 6,982 Answers

As some systems need input from oil pressure gauge,mount a tee fitting in the original hole where the sending unit is. attach the original sender to one side of the tee , the new sender for your gauge (or line for mechanical gauge) to the other side of the tee. Make sure that the line or wire is away from anything hot, and be careful going through the firewall that you don't drill through anything you need (like the heater core) Use a rubber grommet in the firewall hole to make sure sheet metal does not cut through the wire or line where it passes through.

Posted on Mar 12, 2009

  • Richard Scordino Mar 13, 2009

    I've got the same engine but it won't come home till about 130AM. The manual is also in the trunk...Soooo. I'll post back when I look at it later...no sense in trying to remember where I saw it. Car would have been here but nephew whacked a deer with it last night and wanted to drive it to work to see if everything he did this morning to clean out the mess is OK now.

  • Richard Scordino Mar 13, 2009

    Sending unit is in the rear of the cam housing (transmission end of the engine)...Told ya I'd find it!!!

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