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GMC Sierra Forum Threads
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2004 GMC Sierra 1500 4wd
Getting a " service 4WD2wd position is on but can not switch to any other modes.
Is this a DIY or does it have to go...
06/26/2009 | 15:06 PM
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97 GMC Sierra 4L60E proplem
what i thought it would be....
PWM stands for pulse width modulated pressure control solenoid..
there are trouble...
01/09/2009 | 07:01 AM
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