Question about 2004 Chevrolet TrailBlazer

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The service 4WD light is always on and the switch will not put the vehicle in 4WD

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  • Chevrolet Master
  • 6,826 Answers

Check the actuator motor on the front axle to see that it is getting voltage,if so,the motor is bad.

Posted on Nov 14, 2009

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Posted on Jan 02, 2017

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SOURCE: service 4wd light

what causes the 4wd to kick in when you have it in 2wd

Posted on Apr 05, 2009

ryanlutton
  • 1110 Answers

SOURCE: My 04 TrailBlazer LT popped up the Service 4WD

MIne will do that only when I'm switching my 4WD to 4low or 4hi, or back to 2hi AND the TB has good traction, ie pavement or rock OR the tires are cranked to one direction. After my wheels are straight, I just turn the engine off, and turn it back on, then the light goes off. Mine won't do that if I'm in mud, snow, or dirt where there's no traction. My guess is that it may be binding when the traction is good, therefore, I shouldn't be in 4WD. Anyway, my 2cents and I don't think you have to worry about it.

Posted on Nov 23, 2010

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Service 4wd light is on


The Internet, though, has a large number of web sites
where you can buy service manuals and schematics
from bookstores, publishers, and other collectors.
Here is just a sampling of what sites are out there:

Factory Auto manuals
http://www.factoryautomanuals.com/
search for : factory service auto repair manuals

Repair Service Manuals
http://www.repairservicemanuals.com/
the largest collection of Automotive Repair Service
Manuals and Owners Guides on the internet. Our
database currently holds over 54,000 entries
dating back from 1940 to more recent 2011.

about Chilton Repair Manuals
http://www.chilton.cengage.com/

about Haynes Repair Manuals
Haynes Publishing
Haynes auto manuals
http://www.haynes.com/

Jan 15, 2016 | 2002 Dodge Dakota Club Cab

1 Answer

4wd service light in dash just came on. cannot put into 4wd.


There are actuators on the front axle and the transfer case, check them both.

Feb 10, 2014 | 2000 Chevrolet Silverado 1500

1 Answer

2005 gmc sierra 4wd warning light on and will not shift into 4wd


been here /transfer case control module/ electric -shift /actually easy fix /under left sideof instrument panel.behind headlight switch.if thats not it/electric shift motor and encoder assembly /sounds confusing but its easy fix to .get u a repair manual youll see.good luck.

Jan 08, 2013 | 2005 GMC Sierra

1 Answer

96 gmc 4wheel drive not engaging


There are many vehicles which notice same issue with 4wd not engaging in low or high mode.I suggest you few help links related to these issue,with there troubleshooting details and solutions.
Car will not go into 4WD high or 4WD low? http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html

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No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

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4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

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4WD light is flashing and beeping? NO 4WD high?

http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html

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2002 Jeep Wrangler: 4WD Idiot Light is ON?

http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html

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Traction control switch will not engage on 4WD High or Low
http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

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Service 4wd warning light on Dash? http://howtobyme.blogspot.com/2011/11/service-4wd-warning-light-on-dash.html

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Car automatically switches to 4wd low?

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These are the help links related to your issue.Going through these help links,will guide you to troubleshoot and solve the issue noticed on your car.
Keep updated for more help.
Thanks.

Oct 17, 2012 | Chevrolet Cars & Trucks

1 Answer

SLOW SHIFTING FROM 4 LOCK TO 4 HIGH


You can operate the transfer switch either when the vehicle is stopped or while the vehicle is moving. I always operate the switch while stopped. Put the shift lever in neutral and step on the brake with the front wheels pointed straight forward. Now switch from 4H lock to 4H. If no immediate response, turn the steering wheel slightly back and forth and it should shift to 4H for you.

Sep 28, 2012 | 2007 Suzuki Grand Vitara 4WD

1 Answer

My 04 TrailBlazer LT popped up the Service 4WD light. I put it in 4WD this morning and had no problems. I went to lunch and put it on and it took a few minutes to switch and then the light came on. It...


MIne will do that only when I'm switching my 4WD to 4low or 4hi, or back to 2hi AND the TB has good traction, ie pavement or rock OR the tires are cranked to one direction. After my wheels are straight, I just turn the engine off, and turn it back on, then the light goes off. Mine won't do that if I'm in mud, snow, or dirt where there's no traction. My guess is that it may be binding when the traction is good, therefore, I shouldn't be in 4WD. Anyway, my 2cents and I don't think you have to worry about it.

Nov 23, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

Service 4wd light


what causes the 4wd to kick in when you have it in 2wd

Mar 13, 2009 | 2004 GMC Yukon

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