Hi guys! I’ve run into a quick issue here so I thought I would ask around in a place that people would understand what I’m talking about.

I am currently trying to install some manual gauges (not electric or digital gauges) and I can’t seem to figure out how to actually set them up. Mounting the visible gauge itself is not the issue, and quite frankly idc what it looks like on the inside. I do a lot of small changes to my engine and would love to see some small visible engine changes too!

I am trying to install water temp., and oil pressure but cannot seem to find where or how to install them. I am going to eventually post a semi private YouTube video explaining the problem and showing my engine so maybe you guys could help point it out. When I create the video, I will also be creating another post on here showcasing the current gauges and how I installed with lots more information, I just don’t have much time.

If anybody has any tips or tricks that would be very helpful! I am posting in the 5th gen section but just in case, I have a 2015 SR5 2WD 4.0 V6. Thank you guys so much!

Just to be a bit more specific, I can’t seem to find where to install the actual metal temperate reading sensor in my engine. I’ve heard there’s ports and adapters for it but I’m not sure what they are called. I’ve also heard for oil pressure, it’s somewhere under the car and you can just adapt it but I have no idea!

Most people buy a scangauge 2 and call it good. I doubt you’ll find anyone who has done it. The basics for this stuff are searchable.




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In the old days, most engines had plugs you could remove to install the fittings for these gauges. Water temp plug in the water jacket of the block and Oil pressure usually in the block or in-line with the oil pump. The oil pressure line was usually a piece of tubing with a fitting on the end. Then these lines had to be routed to the gauge cluster through the firewall. Now as Brownfaux said, it's easier to get this info via a scan tool of some sort. I don't know if there are even external fittings on engines these days to connect to. I guess you'll have to research for the 4.0.

What is a Scangauge 2? Is it a digital gauge that you can mount somewhere? Is it just an easy OBB plug and play?

It plugs into the OBDII port. Here's a link. In a quick look I didn't see oil pressure listed, but it might be selectable. >> ScanGauge II

You realize that installing a manual oil pressure gauge requires you to run an oil line into the cabin of the truck, right?

Just mount the gauge outside like the old school street drag racers, lol.

Right next to the oversized tach!

We were all there once OP. It’s like r/blunderyears but for cars.




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Saw this on IG and it reminded me of this thread. No electronic oil pressure gauges in general...

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If you are doing something in a 2WD that would require you to carefully monitor the oil pressure and water temp, don't do it.

You want to install manual gauges but yet seem unfamiliar with an OBD2 reader/scan gauge? Can't tell if you're kidding or not?

Yes hahaha but I meant, what does it offer. I’m assuming it’s an electronic screen connected to my obd that monitors what my cars computer reads. Personally, I’m in the process of trying to make my T4R look like a race car. Really the gauges are an atheistic.

Banks Power 66560 iDash 1.8 Super Gauge This seems pretty cool.