- Make
- Chevrolet
- Model
- Colorado
- Year
- 2004
- Miles
- 242,000
- Engine
- 3.5 I5
I'm new to the site, but have heard great things about you guys. I drive a 5 cylinder (yep, GM made an inline 5 cylinder from 2004-2012) 2004 Chevy Colorado with a quarter million miles on it. Cruise control stopped working a year ago, wipers stopped working a month ago. Replaced the brake switch, cruise control still not working. Replaced wiper motor assuming it was the problem. Then discovered where I should have 12V, I have 0.2 volts. I figured the multifunction switch was bad since all fuses were good and the 2 relays associated with wiper/washer were replaced and still no go, so I replaced the multifunction switch with one from my local U-Pull lot. So, the cruise control now works now, but not the windshield wipers. I still have only 0.2 volts, but at all the right places as I move the switch from position to position. This multifunction switch controls cruise, wipers, washers, blinkers an bright/dim headlights. Wiring diagrams that I'm fining are terrible and not giving enough information to diagnose anything. So, Do I assume that switch that I got from the junkyard is also bad? This vehicle requires removing the steering wheel to replace the switch, so it's not an easy job. The housing of the switch actually goes all the way around the steering wheel shaft, no tricks to this one. The switch cost close to $200 at a local parts store, $135 if ordered. There are no more donor vehicles at the U-Pull lots. Part is specific to 2004-2008 Colorado/Canyon trucks. Does anyone have access to wiring diagrams for this truck? What I would love to see is a simple list of all of the wires on the plugs on the multifunction switch, the color of the wires and what they do. Wiring diagrams that I have found so far show everything going through the BCM. I have no codes, no check engine light on, and no other electrical problems at all, so I don't think it's the BCM, but I wish I had some confidence that I was purchasing an replacing the correct part. I certainly can't afford to replace both the switch and the BCM. I appreciate any recommendations you guys can offer.