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I have a 98 GMC Suburban K2500 3/4 ton 5.7 engine, Auto, 4wd (Push Button) The Transfer case has just had a complete rebuild. I have installed a new dash switch for the 4WD, & also a new Contr

I have a 98 GMC Suburban K2500 3/4 ton 5.7 engine, Auto, 4wd (Push Button) The Transfer case has just had a complete rebuild. I have installed a new dash switch for the 4WD, & also a new Control Module (Twice). What it is doing is the Service 4WD Light is stuck on & the truck is stuck in 4WD Low. I can hear it shifting when I try to change the position with the switch, but it blinks a couple of times and then the light goes on solid in 4WD Low.... ??????

Posted by Chuck Babcock on

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Joseph Howard

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  • 753 Answers

The selector drive mtor mounted on the transfer case had alot of problems with water getting into the circuit board and also the mtoro drive getting stuck. At the dealership I have replaced hundreds of these over the years.

Posted on Nov 30, 2014

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autodr

autodr

  • 260 Answers

SOURCE: intermittent 4wd on 98 jimmy

the module is what i would suspect. and i do believe it is in the r kick panel. i've seen the button pack on dash go bad too, but module is best bet.

Posted on Nov 16, 2008

Anonymous

  • 33 Answers

SOURCE: Transfer case in 99 GMC Suburban

Hello
I had this with a C3500 4x4 it was the wiring contection at the transmission please test all these problems as ths may be a cheap fix.

Hope this helps
www.limotec.co.uk
Regards Paul

Posted on Jan 11, 2009

chubby54

  • 16 Answers

SOURCE: 1997 Suburban Transfer Case stuck in 4WD Lo

most likely needs an encoder motor. That is the fancy term for the motor that switches the t_case through the gears. The flashing lights indicate a code had been stored and you should have gotten it serviced then before further damage. as long as you dont drive it in 4 wheel you should still be ok

Posted on May 10, 2009

Anonymous

  • 1 Answer

SOURCE: 2004 GMC Sierra 1500 4wd. Auto transfer case light issue

I have the same problem. It is intermittent and sometimes shows up with service transmission message. To get rid of it just put the truck in park, press the 2 high button and shift into drive while it is still flashing. I will worry about it more when it blows up. You can drive with the vehicle showing the solid neutral and it seems to make no difference. It has to be a wake up problem between the control modules. It only happens on start up.

Posted on Sep 06, 2009

john h

  • 28887 Answers

SOURCE: my 98 suburban won't shift into 4wd, the service

check fuse if good need to check power at switch's possible loose wire behind dash or short

Posted on Mar 01, 2010

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Hope this helps
www.limotec.co.uk
Regards Paul
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