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Pickups Chevrolet Colorado and GMC Canyon Chevy Colorado and GMC Canyon Electrical Problems
249 messages, Last post on Nov 24, 2009 at 4:21 AM
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Replying to: HopeGMC (Feb 04, 2009 11:34 am) I'm having just the door lock problem (no window problems at all) where my doors will not unlock with the key fob but they will lock with it and the doors lock and unlock normally from inside of the vehicle. The key fob is good because the lights flash when I unlock the doors with the fob but it just doesn't trip the unlock mechanism. Also, if I do not unlock with the fob first, the alarm sounds when I use the key to open the door. Oh, and one other thing that I noticed is that when I remove the key from the ignition, it doesn't unlock the doors. I could have sworn that it used to do that. Anyhow, if you have a schematic of the system I would love to get a copy from you. I have the wiring diagram from a car maintenance book but it does not have a schematic... just a wire going in and a wire going out, etc. Other than this one problem, the truck has been real good. It's excellent on gas and has plenty of get up and go. Thanks for any help. Cheers. |
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I have a 2006 gmc canyon with a 2.8L. It just now hit 30000 miles. i have had no problems until now and for some reason my brake lights won't light up. The funny thing is that my third brake light works fine. I have replaced the bulbs, checked all the fuses, and have even traced the wiring as far as i can see it but cant seem to find the problem. I contacted the dealer and got the usual BS ($80 per hour) has anyone had the same problem or have any suggestions on what to do.
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Replying to: diddysmash (Feb 12, 2009 7:05 pm) |
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Replying to: tmassa0703 (Dec 21, 2008 2:10 pm) |
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My 2004 colorado stalls for no reason out of the blue. When i try to restart nothing not even a click. Sometimes engine warning light, Sometimes message says REDUCED POWER or TRACTION FAULT. replaced start run relay, did not help.After truck sits 4 or 5 minutes it starts like nothing was wrong. Truck only has 41000 on it.
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Replying to: snaproll1 (Dec 24, 2007 11:48 am) You are describing exactly what is happening to my 2005 Chevy Col I5 Ext  72K. The problem is deep cycling the battery kills everything under the hood. I have changed out batteries twice now. First time was at around 55K when the original battery gave up the ghost, massive overheat and death.Second time was an 860CCA battery that lived about 6 months with two accidental drain outs. No, you don't need a "special" battery from the dealer. I noticed you said you run a cooler through the ACC adapter. I run a 500W inverter all day in my truck, sometimes engine on, somtimes not. I power a laptop that draws like Vegas and charge camera, radio and cellphones batteries. I've had this vehicle from new and it was fine before I started using it for work. Apparently the regular deep cycling doesn't just 86 the battery but also kills off accesories and ultimately larger parts. My blower is now only working on level 4 (sound familiar?). So I spent $200 on a Yellow Optima Deep Cycle Battery and we'll see how that goes. I spose I'll have to replace the blower motor.
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Replying to: Alennx (Feb 20, 2009 5:14 pm) |
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| This truck is having several electrical problems. It cuts out while driving sometimes to the point of stalling the engine.The tach has very erratic movement. The radio sometimes looses its presets and the clock returns to 12:00. The blower fan also acts up with only high speed available. all this gradually came about overnight. No service codes. All these problems come and go. Sometimes they all are evident, sometimes maybe one or two are showing up. It has never failed to start. | |
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Replying to: duart (Feb 23, 2009 7:40 pm) It's not the battery, I just put a new Optima Yellow in and the issues continue the same. It could be the alternator although last I had it checked it was putting out 14V. This was a spot check, not a monitoring over any driving time. I am getting an occasional code... "rpm does not match the engine conditions." The suggestion is that the Air Intake sensor needs replacing or there's a vacuum failure. Does this explain the fluctuating rpms? Maybe. Does this explain the blower failure or the under-power while braking? Only if the drop in rpms leads to a drop in charge-back, which in turn drops below 12V. Why is the blower crapped out on 1, 2 and 3, but not 4? Should be the key to the problem but it makes no sense! I am going to fit a Voltage Meter and watch what happens while I'm driving. I sometimes get my lights going dim and the revs dropping off under braking, which suggests that there's not enough juice in the harness to power the assisted brakes and keep everything else going... which leads me back to the Alternator. I am willing to bet that anyone who has had this issue has been running larger accesories for a period of time through the two power points and this has knackered the alternator as it attempts to keep up with the over-drain. I am also going to get my belt tightened. I'll post as I go. Let us know what you try. One thing I do know, The Chevy Dealers I've spoken to have no idea what the problem is and will do fuse-block or computer changes just to charge the **** out of you. I'm calling Chevrolet Corporate right now to confirm they have no idea... |
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Replying to: Alennx (Feb 24, 2009 12:44 pm) About the lights dimming when you press your brakes... there was a brake recall some time ago. You might check to see that was taken care of. Also, if you replaced your stereo or added some other after-market item maybe some wires got repositioned and are touching the brake mechanism??? Just a thought. Look, I don't work with any car dealer or anything but I know that if you call the service department at ANY car dealer, they are not likely to help you. Why??? Let's put it another way... if you walk into your favorite grocery store and ask them for some free milk, eggs, and steaks do you think that they are going to just let you have those for free? Of course not but yet some people want what the service department sells for free. They are selling their knowledge, experience, and time. They get nothing if they tell everyone how to fix their problems on the phone for free. I know that you and I spent a small fortune for our vehicles but the dealer didn't make the car or the problem. I hate taking my vehicle in for maintenance too but you have to do what you have to do sometimes... With that said, I've had a problem with my Colorado door locks for months now and I'm too tight to go get it fixed - I won't call them though. Cheers.
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