GM Service Manual Online
For 1990-2009 cars only
Figure 1:

IP, Center View


Object Number: 230778  Size: LF
(1)Engine Hour Meter
(2)Air Brake Pressure Gauge Lamp
(3)Air Brake Pressure Gauge
(4)Ammeter (w/Ammeter Lamp)
(5)C236 (4 cavities) (LG5 w/o KPJ)
(6)Hazard Indicator Lamp (part of the HAZARD Name Plate)
(7)Right IP Trim Bezel
(8)Hazard Switch (w/Hazard Switch Lamp)
(9)Center IP Trim Bezel
(10)Automatic Transmission Shift Lever
(11)Left IP Trim Bezel
(12)Low Air Pressure Switch
Figure 2:

Manual Transmission Harness, Left Forward View


Object Number: 228367  Size: LF
(1)Backup Lamp Switch
(2)Vehicle Speed Sensor (VSS) (JE5)
(3)Vehicle Speed Sensor (VSS) (JE3)
Figure 3:

Left Side of IP


Object Number: 230785  Size: LF
(1)Daytime Running Lamps (DRL) Control Module
Figure 4:

IP Harness to Dash Panel, Right Forward View


Object Number: 230863  Size: LF
(1)Relay Block #4
(2)Speedometer Adapter
(3)Fuse Block 2
(4)Fuse Block 1
(5)IP Fuse Block/Mini Relay Center
(6)Relay Block #3
(7)Relay Block #2
(8)Flasher Relay Center
(9)Relay Block #1
Figure 5:

Forward Lamps, Left Front View


Object Number: 228253  Size: LF
(1)Park/Turn Signal Lamp - L (Right Side Similar)
(2)Headlamp - High Beam - Left and Headlamp - Low Beam - Left (Right Side Similar)
(3)Engine Harness
(4)Forward Lamps Harness
Figure 6:

Steering Column, Left Forward View


Object Number: 227483  Size: LF
(1)Ignition Switch
(2)Headlamp Dimmer Switch
Figure 7:

Left Side of IP, Forward View


Object Number: 220291  Size: MF
(1)IP Dimming Module
(2)Instrument Panel Cluster (IPC)
(3)C225 (2 cavities)
(4)Clutch Pedal Position (CPP) Switch
(5)C212 (23 cavities) (Upfitter Connector)
(6)C212 Shunt
(7)Junction Block - Upfitter IP
(8)Daytime Running Lamps (DRL) Control Module
(9)Driver Information Center (DIC)
(10)Headlamp Switch
Figure 8:

IP Harness to Dash Panel, Center Forward View


Object Number: 228594  Size: LF
(1)Stoplamp Switch