GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC C-Series Medium Duty Truck B7 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Rear Axle Component Views
Figure 1:

Electric-Operated Two-Speed Rear Axle Shift Switch Relay to Crossmember
Object Number: 220258 Size: MF
(1)Two-Speed Rear Axle Shift Switch Relay
Figure 2:

Electric-Operated Two-Speed Rear Axle Harness to Frame
Object Number: 216360 Size: MF
(1)Two-Speed Rear Axle Shift Motor
(2)Two-Speed Rear Axle Shift Switch Relay
Figure 3:

Air-Operated Two-Speed Rear Axle Harness to Frame
Object Number: 216347 Size: MF
(1)Two-Speed Rear Axle Air Shift Switch
Figure 4:

Electric-Operated Two-Speed Rear Axle Shift Switch Relay
Object Number: 216359 Size: MF
(1)Two-Speed Rear Axle Shift Switch Relay
Figure 5:

Air-Operated Two-Speed Rear Axle Air Shift Switch
Object Number: 216348 Size: MF
(1)Two-Speed Rear Axle Air Shift Switch