GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Engine Exhaust Brake Component Views
Figure 1:

Right Front of Vehicle
Object Number: 826872 Size: LF
(1)Exhaust Brake Actuator Control Solenoid Valve (K40/NPE)
(2)Exhaust Brake Actuator Control Solenoid Valve Connector (K40/NPE)
(3)C121 (10 cavities - Upfitter PTO Connector)
(4)Exhaust Brake Relay (K40/NPE)
(5)G100
(6)C104 (6 cavities - LG4/LG5/LLY) Engine Chassis Harness to the Exhaust Brake Harness
(7)Battery Isolator (VNF)
(8)C101 (30 cavities) I/P Harness to the Engine Chassis Harness
(9)C124 (24 cavities) I/P Harness to the Engine Chassis Harness
(10)Exhaust Brake Harness
(11)Engine Chassis Harness
Figure 2:

Center and the Right I/P
Object Number: 1430017 Size: LF
(1)Marker Lamp Switch (RQ2 and U86 or RQ2)
(2)High Idle Switch (UF3)
(3)Traction Control Switch (NW9)
(4)Outside Heated Mirror Switch (DB6/DB8)
(5)Exhaust Brake Switch (K40)
(6)Rear Axle Driver Control Switch - Two Speed (HPZ/Automatic Transmission)
(7)Air Suspension Dump Switch (G40/G45/GSJ)
(8)Power Take-Off (PTO) Switch
(9)Driver Information Center (DIC)
Figure 3:

Air Compressor (K16), Fuel Tanks and Trailer Connector (RQ2 and U86 or RQ3)
Object Number: 1014827 Size: LF
(1)Splice Pack SP400 (Ground Block)
(2)C409 (8 cavities) Fuel Tank Harness to the Chassis Harness
(3)Fuel Pump (FP) Relay
(4)Fuel Sender - Secondary
(5)Fuel Tank Transfer Pump - Secondary
(6)Trailer Connector (RQ2 and U86 or RQ3)
(7)C410 (3 cavities - K16) Chassis Harness to the Air Compressor Harness
(8)Air Compressor Connector (K16)
(9)Air Compressor Relay (K16)
(10)Air Compressor (K16)
(11)Fuel Sender - Primary