Quote:
Originally Posted by Android04
What about cruise control? My 85 has it and in the harness break down you can pick with or without CC. I plan to call them once I get some downtime from work this week.
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A 2004 Yukon will be DBW, and an '85 Chevy truck with factory cruise will already have the switch you need. If the swap harness has the cruise control wires, it's as easy as hooking them up to your switch already in the truck. Under the dash where the cruise switch wiring plugs into the underdash harness you will find there are 4 wires in that connector. Basically you would need to cut the gray, dark green and dark blue wires there and wire them into the wires provided in the LS harness. The colors will probably be similar, but if they aren't, they should at least be labeled. Gray will go to the 'on/off' wire, dk green to the 'resume/accel' and dk blue to the 'set/coast' wire. The fourth wire will be pink and needs to be hooked to an ignition source so that it has 12v whenever the ignition is on. You "shouldn't" have to do anything with it, but you never know what has been done to a truck in 35 years, so you would have to verify it to be sure.