Re: Gen 3 Drive By Wire cruise control HOW TO
If you get 12v when pressing the set/coast and resume/accel buttons but nothing when pressing the ON button, then that's your problem. I don't see how it could be the gray wire to the TAC that is the problem when it isn't even hooked to the switch. So, what exactly is the orange light for? Cruise ON, or cruise ENGAGED? I would try and bypass the on/off switch by just hooking 12 directly to the gray wire on the TAC and see if the cruise works then. If it does, then I'd say the switch isn't working right.
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