GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 TopKick C-Series (Crew) C4/C5 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Air Brake System Component Views
Figure 1:

Front Left of the I/P
Object Number: 826805 Size: LF
(1)Radio
(2)Park Brake Valve (JE4)
(3)HVAC Control Assembly
(4)Overdrive Defeat Switch (Allison® LCT)
(5)Headlamp Switch
(6)Instrument Panel Cluster (IPC)
Figure 2:

Fuel Senders, G400, Low Air Alarms, Splice Pack SP400 (Ground Block) - LG4/LG5


Object Number: 953488 Size: LF
(1)Fuel Sender - Primary
(2)Fuel Tank
(3)Low Air Pressure Switch - Primary
(4)Low Air Pressure Switch - Secondary
(5)Splice Pack SP400 (Ground Block - 6 cavities)
(6)Fuel Sender - Secondary Connector
(7)Ground G400
(8)Fuel Sender - Secondary
(9)Fuel Tank - Secondary