GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevrolet C-Series Medium Duty Truck B7 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Upfitter Provision Schematics
Figure 1:

Cell 18: Upfitter Connector--Terminal T and Upfitter IP (+) Junction Block
Object Number: 297974 Size: FS
Power and Grounding Components
Cell 18: Upfitter Connector-Terminals A, F, L and Z
ESD Notice
Figure 2:

Cell 18: Upfitter Connector--Terminals A, F, L and Z
Object Number: 297980 Size: FS
Power and Grounding Components
Cell 18: Upfitter Connector-Terminals D, G, K, R, and V
Cell 18: Upfitter Connector-Terminal T and Upfitter IP (+) Junction Block
Figure 3:

Cell 18: Upfitter Connector--Terminals D, G, K, R, and V
Object Number: 297983 Size: FS
Power and Grounding Components
Cell 18: Upfitter Connector-Terminals E and M
Cell 18: Upfitter Connector-Terminals A, F, L and Z
Figure 4:

Cell 18: Upfitter Connector--Terminals E and M
Object Number: 297986 Size: FS
Power and Grounding Components
Cell 18: Upfitter Connector-Terminals D, G, K, R, and V
ESD Notice