Question about 2002 Chevrolet TrailBlazer

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The 4 wheel drive select switch stopped working is it the switch or could it be a fuse

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Sounds like the transfer case motor is bad.(located on transfercase beside front drive shaft yoke) 7"Long skinny motor outside transfer case.I had the same problem on my 93 S10 blazer , 4L60 E ( first year for the electronic transmission ) .changed it and is working fine now

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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1 Answer

I have a Suzuki Jimny automatic 2007. It has 3 buttons to select gear type. None of these are now working.


Start by looking at the fuse box... check all the fuses. Next possibility is a relay.

The Suzuki Jimny Transmission Control Module (TCM) is an electronic circuit component that controls gear shift, TCC lock-up and idle-up according to the signal from each sensor. It is a microcomputer consisting of an IC, transistor, diode, etc. It is installed behind glove box.

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Apr 18, 2017 | Suzuki Cars & Trucks

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I have a 2001 F150 king ranch 4x4 that blows a fuse while selecting 4 wheel drive


What fuse blows ? The four wheel drive switch is a input to the GEM - generic electronic control module , low voltage ! There are a few different relays, a shift motor on the transfer case . There could be DTC'S - diagnostic trouble codes stored in the GEM module . You can find free wiring diagrams at http://www.bbbind.com/free_tsb.html Do you know how to do basic automotive electrical testing ? When you turn the switch to engage the 4X4 , the GEM see's that input an then energizes a relay to engage the 4X4 . Knowing which fuse blows would cut down on the guess work !

Dec 02, 2016 | Cars & Trucks

1 Answer

1991 chevy 3/4 ton 4 wheel drive doesn't work


You might have to change the switch on the transfer case or check to see if you have a broken wire or fuse blowen hope this helps

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Electronic switch 2x 4x drive not working


Just a thought I would test my fuses first with a test light to see if you have a bad fuse .thats where I would suspect the problem to be if this is helpful please leave good feed back

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1 Answer

My 4 wheel drive stopped working. Is there a switch in push button shift knob? Is there a way to test or find a short?


on older subies there is a fuse against the firewall for the 4wd. Id start there seeing it would be the cheapest. The fuse was a nice feature so the car would only be in front wheel drive in the summer and 4wd when you needed it. If that isnt your problem, check to see if you have any air leaks, im not that familiar with older subies. I hope its only ur fuse, good luck

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Four-wheel drive not working. No light on swtich. New transfer case motor. Checked the fuses and the four-wheel drive switch. What can it be?


Was the transfer case fluid changed every 50K miles? This very important on these trucks. The Transfer Case Control Module (TCCM) could be at fault, especially since you have no lights on the selector switch. Is the Service 4x4 light on? When you switch from 2H to any of the 4 wheel drive selections, do you hear any actuator noises coming from under the truck?

Dec 07, 2010 | 2003 Chevrolet TrailBlazer

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2004 chevy silverado 1500 4 wheel drive wont work..


try selecting from nutreul or less then 3km

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1 Answer

2000 F350 Super Duty Will not go into 4 wheel drive


I have recently had this problem with a customer. It seems the 4x4 low will only engage in neutral with the brake applied. And also check fuse. Then select drive and you will feel it lock in. Don't "goose" the fuel when attempting this.

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