No harness needed for the tranny gauge to work. Just plug-n-play. GM did have a harness that plugged into the DIC, but it is discontinued. The p/n is 12171873. It use to sell for $150, which is ridiculous. The link I posted earlier shows the pinout, and what type of connector is used to build...
Stormy69: You have a couple options if you are wanting to add a DIC. First of all, the DIC which will work with your vehicle was only available in the 01-02 Escalade, and Denali. It was mounted in the center console. You can locate a used console which is hard to find, and usually very...
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