Oil pressure gauge + stock oil pressure light?
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This is a discussion on Oil pressure gauge + stock oil pressure light? within the Interior Mods forums, part of the Tech & Modifying & General Repairs category; I'm not planning on installing any gauges any time soon, but I've been researching this, and I haven't found much ...

  1. #1
    Registered User pizzazombie's Avatar
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    Oil pressure gauge + stock oil pressure light?

    I'm not planning on installing any gauges any time soon, but I've been researching this, and I haven't found much information. I've seen a few debates online about whether or not you should replace the stock oil pressure light with an aftermarket guage, because you have to unplug the stock sensor when you tap into the galley plug above the alternator. But why not do both? You can tap into one of the other two galley plugs for the gauge, or you can just use a sandwich adaptor plate. This way you'll have the comfort of knowing exactly when you lose pressure before it's too late with the gauge, and have the sensor light as a back up in case the gauge fails. Are there any downsides to having both?

    This might already be answered somewhere, but I haven't seen anyone who talks about using both. And I know, I'm worrying about this too much for someone who's too broke to afford new gauges right now anyway.

    Thanks

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    and the Funky Bunch Calvinball's Avatar
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    I really don't know much about this topic, but I seem to recall posts I've read by others who are more knowledgeable on this forum saying that the stock oil warning light is essentially useless, as by the time it comes on you are already in major trouble.

    This post is also useless, as you should wait until one of those more knowledgeable members rolls by to give a legit answer.
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    Registered User thegamer1587's Avatar
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    I've also done some research on this myself. From what I understand the location of the stock sensor is the easier of the two to get to and more accurate than a sandwich adapter.

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    Registered User pizzazombie's Avatar
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    Haha well thanks anyway.
    Yeah, that's what I mostly hear. But I just hate the idea of removing any sort of last resort safety measure and relying solely on my yet to be tested wiring skills.

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    Registered User pizzazombie's Avatar
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    Quote Originally Posted by thegamer1587 View Post
    I've also done some research on this myself. From what I understand the location of the stock sensor is the easier of the two to get to and more accurate than a sandwich adapter.
    I would consider that, but I'm thinking of going with both oil pressure and oil temp. gauges. And if I do that, the only other location I know of is underneath the intercooler. And I hear that is a real pain to tap into.

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    Moderator rage-wrx's Avatar
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    The stock sender is in that location for a reason. I'd use the stock sending unit with a galley plug. I don't see the point of having the OEM sender. The whole point of installing a pressure gauge is to know when you have loss of pressure. Not just for looks. The stock sender only lets you know when there is a catastrophic loss of pressure.
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    Registered User pizzazombie's Avatar
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    Alright, I guess I'll use the stock location when the time comes. Thanks for clearing that up, guys.

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