GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Driveline/Axle 🢒 Transfer Case - BW 4401 (Two Speed Manual) 🢒 Transfer Case Control Component Views
Figure 1:

Selectable Four-Wheel Drive Indicator Wiring
Object Number: 183901 Size: MF
(1)Convenience Center
(2)Selectable Four-Wheel Drive Indicator Lamp
(3)Transfer Case Shift Illumination Lamp
Figure 2:

Transfer Case Switch (MW3) and C120
Object Number: 183908 Size: MF
(1)Connector C120
(2)Heated Oxygen Sensor
(3)Vehicle Speed Sensor
(4)Transfer Case Synchronizer
(5)Transfer Case Switch (½ ton and ¾ ton)
(6)Transfer Case
(7)Transfer Case Switch (1 ton)
(8)Engine Harness
(9)Heated Oxygen Sensor Connector
Figure 3:

C224 and C225
Object Number: 183911 Size: MF
(1)Cruise Control Module
(2)Pass Through Grommet P100
(3)Connector C100
(4)Connector C110
(5)Connector C104
(6)Connector C111
(7)Rear Lamp Harness
(8)Engine Harness
(9)Windshield Wiper Motor
(10)Connector C225
(11)Connector C224
Figure 4:

P100
Object Number: 183913 Size: MF
(1)Connector C102
(2)LH Front Headlamp Connectors (Composite)
(3)Park And Turn Lamp LH Front
(4)LH Fog Lamp Connector
(5)Horn
(6)Connector C101
(7)Ground G113
(8)Connector C100
(9)Pass Through Grommet P100
Figure 5:

6.5L Diesel Engine, RH Side
Object Number: 172401 Size: LF
(1)Engine Harness
(2)Generator Connector
(3)Turbo
(4)Grounds G150 And G105
(5)Ground G104