GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
Sonoma Pickup - 4WD
🢒
Driveline/Axle
🢒
Transfer Case - NVG 136-NP4 (One Speed Automatic)
🢒 Transfer Case Control Schematics
Figure
1:
Power and Ground
Master Electrical Component List
Transfer Case Description and Operation
Speed Sensors
B+ Bus Bar
Ign ACC, RUN and RAP Bus Bar
SP201 (4.3L)
G204 and G205 (Envoy)
w/o Trip Computer
G103 and G105 (4.3 L)
G103 and G105 (4.3 L)
G103 and G105 (4.3 L)
G103 and G105 (4.3 L)
Figure
2:
Speed Sensors
Master Electrical Component List
Transfer Case Description and Operation
Power and Ground
G104 and G117
G104 and G117