GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
Yukon XL - 4WD
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Accessories
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Entertainment
🢒 Transfer Case Control Schematics
Figure
1:
Power, Ground, Serial Data and Encoder Motor Control
Master Electrical Component List
Transfer Case Description and Operation
Switch
B+ Bus - 1 of 2
HVAC/ECAS, RR HVAC, BLOWER, RR DEFOG, STOP LP, TREC Fuses
SP205 - 1 of 2
G110
Figure
2:
Switch
Master Electrical Component List
Transfer Case Description and Operation
Power, Ground, Serial Data and Encoder Motor Control
Ignition Switch - START, and RUN Bus Bars
BRAKE, HTR/AC, HVAC I, CRUISE, 4WD Fuses
LED Dimming Supply Voltage - 2 of 2