2004 GMC Sierra 2500 HD 6.0L 4WD Hi
this transfer case has no 4wd hi, 2wd operates, 4wd low operates but when 4wd hi light is on it's only in 2wd, can hear encoder motor operate in each mode selected. voltage changes in each mode, no codes, no blinking lights and can communicate with atm, suspec...
FIX posted 7/16/2008
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Message Closed w/FIX
Vehicle Data2004 GMC Sierra 2500 HD
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Message Closed w/FIX
Vehicle Data
2004 GMC Sierra 2500 HD
VIN | 1GTGK23U84 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Affected | 4WD Hi |
Conditions | No 4WD Hi Only |
Misc. | Transfer Case |