4WD NOT WORKING - Chevy Colorado & GMC Canyon
 
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post #1 of 15 (permalink) Old 12-09-2009, 04:15 PM Thread Starter
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4WD NOT WORKING

4wd isn't working,I don't have any lights lit up and it's in 2wd,I'm thinking the problem is the module that tells the motor to change to and fro,but I thought I'd check to see what you guys thought first.thanks guys
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post #2 of 15 (permalink) Old 12-09-2009, 04:17 PM Thread Starter
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Re: 4WD NOT WORKING

sorry ,It's an '05 coloradoI5
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post #3 of 15 (permalink) Old 12-09-2009, 06:03 PM
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Re: 4WD NOT WORKING

That could be the problem. Have you put a meter on it to see if it's getting juice? If not, or you haven't checked it yet, check your fuses. That's the quickest to rule out.

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post #4 of 15 (permalink) Old 12-09-2009, 06:13 PM Thread Starter
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Re: 4WD NOT WORKING

Fuse was ok,also had the battery unhooked for a while,didn't try touching the battery cables together tho.
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post #5 of 15 (permalink) Old 12-09-2009, 06:17 PM Thread Starter
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Re: 4WD NOT WORKING

I had it half way apart a couple days ago but then it got dark and I put it back together and now I have snow to work in ,so no I didnt get to check it w/ a meter yet.
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post #6 of 15 (permalink) Old 12-10-2009, 12:57 PM Thread Starter
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Re: 4WD NOT WORKING

anybody else have ths exact problem?
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post #7 of 15 (permalink) Old 12-10-2009, 01:37 PM
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Re: 4WD NOT WORKING

Often its the simple things that work....

I know that whenever I have difficulty activating or deactivating 4wd I find I am not doing it correctly due to it not being an often enough occurrence for me. Hate to suggest it but perhaps your missing something too?

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post #8 of 15 (permalink) Old 12-10-2009, 02:54 PM
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Re: 4WD NOT WORKING

are you switching into 4lo or 4hi?

how long have you not been able to switch from one to the other?

i had this problem when i was about to go mudding once, when i gave up on pushing the buttons i backed out of the entrance to the field. for shits and giggles i tryed to engage 4lo in N while rolling and it worked. Im thinking that when i put it in reverse it fixed the problem.

also 4hi wont engage unless you are rolling, from my experience.

hope this helps

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post #9 of 15 (permalink) Old 12-10-2009, 05:24 PM Thread Starter
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Re: 4WD NOT WORKING

I can't switch into anything cause the lights that tell you what gears the transfer case is in are not lit. When it went out about two weeks ago I was switching from two whl to four whl hi,and the light was blinking for a while ,then it just went out ,but when you turn on the ing.switch they all come on like they should then they all go out and it is in two whl drive. Still think its the module but I won't be able to get one til after X-mas,so til then I'm gonna try to check it w/ a meter to make sure,or go to the chevy garage and see what info I can get from them .
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post #10 of 15 (permalink) Old 12-10-2009, 05:35 PM
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Re: 4WD NOT WORKING

look under your truck at the front transfer case and see if the little electronic plastic thing that engages 4wd is connected properly. I had a problem that wouldnt let me switch gears and quickly found out that that part was busted.

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post #11 of 15 (permalink) Old 12-10-2009, 06:44 PM Thread Starter
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Re: 4WD NOT WORKING

OK, I'll do that ,but it's kinda cold and dark out right now , thanks for the info Dean.
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post #12 of 15 (permalink) Old 01-11-2010, 01:59 PM
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Re: 4WD NOT WORKING

My 4hi just went out on me about two weeks ago. I pusshed the button for 4hi and the light flashed and then stayed solid. I figured i was in 4hi, but when i hit the gas the back end flung around. I am able to switch into 4lo from 2hi without any problem. The 4x4 actuator is working when i hit the 4hi button and the front axle fuse is not blown.

Any ideas about what could be worng?

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post #13 of 15 (permalink) Old 12-23-2013, 03:21 AM
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i have a 2005 colorado, i went thru some flood water, and now my 4wd wont work, and when i push the 2hi the motor just spins and doesnt do anything no lights lite up or anything and when i drive down the road, the transfer case trys to engage by its self?? what do i do to fix this. transfer case module never got wet just the transfer case. this was three weeks ago and its still not working everything is dry now..
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post #14 of 15 (permalink) Old 01-18-2016, 12:25 PM
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I have a 2005 GMC Canyon 3.5L I5 4wd. Had the motor rebuilt which took almost a month but I got it back and everything is great except the 4wd is not working now... worked great before... "service 4wd" is displayed & my indicator lights for 2wd, 4wd hi/lo, Neutral are not lit up whatsoever... i traced all the connectors underneath and everything appears to be plugged in... actuator, transfer case, etc. The truck sat for 5 weeks... any help would be greatly appreciated!
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post #15 of 15 (permalink) Old 01-18-2016, 12:40 PM
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Wanted to add that the 2wd, 4 hi/lo, neutral indicator lights flash on briefly when cranking the truck up... then go dark and stay that way.
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