GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Transmission/Transaxle 🢒 Manual Transmission - Medium Duty 🢒 Manual Transmission Component Views
Figure 1:

Drivers Side Below I/P
Object Number: 822036 Size: LF
(1)Clutch Start Switch
(2)Clutch Start Switch Connector
(3)Brake Pedal
(4)Clutch Pedal
(5)I/P Harness
(6)Cross Body Harness
(7)Clutch Pedal Position (CPP) Switch
Figure 2:

Manual Transmission
Object Number: 953494 Size: LF
(1)Rear Axle Driver Control Switch - Two Speed (HPZ/Manual Transmission) or Two Speed Rear Axle Control Valve (HR2/Manual Transmission)
(2)Backup Lamp Switch
(3)Vehicle Speed Sensor (VSS)