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Discussion Starter · #1 ·
Hoping someone can help me with a wiring issue on my ISSPRO EV1 trans oil temp gauge. Initially, it was really erratic and now it does not work at all. I took a look in the fuse area and found that there was a wire that ran to the sensor that is completely disconnected. The other wire coming from the sensor itself runs to the sensor terminal in the small white box that came with it. Any idea what that disconnected wire is for?

Also, does anyone have the installation instructions for the EV1 gauges?

Thanks in advance!
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