From the following pictures, you can see that when illuminated, these gauges are a far cry from matching the color of the stock VDO gauges. The backlighting and needles look quite similar to our stock gauges, but blue doesn't match amber. :-) Note that the surrounding glow is from the bulb shining through the back of the case, not an external light source. You wouldn't see this if the gauge was installed, of course.

Here's a set of pictures of the voltmeter set in the center console (not fastened), just to compare to the stock gauges. I did this while working on removing the center console for my alarm's motion sensor installation.

Next came checking for clearance in the back. the ISSPRO EVM with mounting hardware is a little deeper than the stock gauges. the following picture shows the stock gauges on left and right, and the ISSPRO EVM voltmeter in the middle.

The picture above had me a little concerned about clearing the OBD port mounting bracket. So I moved the ISSPRO EVM voltmeter to the hole closest the bracket. It clears fine:

I know that the ISSPRO EVM oil pressure gauge is the same depth as the voltmeter. I'm assuming the oil temperature gauge is the same depth too, so I'm all set here.

Here's a picture of the oil pressure gauge, nabbed and cropped from the ISSPRO web site.

And here's one of the oil temperature gauge, also nabbed from the ISSPRO web site.

Here's a couple of pictures of the oil pressure sender and amplifier.

Here's one of the sender with some dimensions. The widest part of the cylinder is near the inlet and is 1.75". The rest of the cylinder is roughly 1.525" in diameter. The sender should stick out from the port by about 2.80", depending on how deeply its thread can be inserted.

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Note that I need to run illumination for all three gauges. I'd sort of like to leave the original gauge harness connectors alone, and tap from one spot. One option is to tap from the DSC button harness, since I'me already using it for my SportMode/DSC module. Another easy option is tapping from the cigar lighter light?

I also need 12V to the oil temperature amplifier and the oil pressure amplifier, and to the voltmeter. Those should not be hot-at-all-times. I also need it to the alarm motion sensor, which should be hot-at-all-times; there it makes sense to use the cigar lighter hot wire.

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ISSPRO electrical gauges