GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2008 🢒 Isuzu H-Series 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Instrument Panel/Center Console Component Views
Figure 1:

Accelerator Pedal
Object Number: 1965276 Size: LF
(1)Accelerator Pedal Position (APP) Sensor Connector
(2)Accelerator Pedal Position (APP) Sensor
(3)Accelerator Pedal
(4)X201 (48 cavities)
Figure 2:

Behind the Left Side of the I/P
Object Number: 1964137 Size: LF
(1)I/P Carrier
(2)Serial Data Gateway (SDG) Module (LF6/LF8/JE4)
(3)Controller Area Network (CAN) Connector (LF6/LF8/JE4)
(4)Data Link Connector (DLC)
(5)Data Link Resistor 1 (LF6/LF8/JE4)
(6)Data Link Resistor (L18, LMM)
Figure 3:

Center and the Right I/P
Object Number: 1964141 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 4:

Chime Module
Object Number: 1963819 Size: LF
(1)Chime Module
Figure 5:

Console
Object Number: 1964328 Size: LF
(1)Cigar Lighter (DT4)
(2)X315 (2 cavities)
(3)Park Brake Switch Connector (JE3 and C6/C7/C8)
Figure 6:

Interior Bulkhead, Left Side
Object Number: 1964332 Size: LF
(1)Interior Bulkhead
(2)Air Brake Supply Manifold (JE4)
(3)Differential Lock Switch (HNB/HPL/HPN) or Inter-Axle Differential Lock Switch (Tandem Axle)
Figure 7:

Drivers Side Below I/P
Object Number: 1963621 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 8:

Ignition Switch
Object Number: 1964770 Size: MF
(1)Ignition Switch
(2)Ignition Key Cylinder
(3)Ignition Key Warning Alarm Switch
(4)Ignition Lock Cylinder Actuator
(5)Steering Column
Figure 9:

Instrument Panel
Object Number: 1963637 Size: LF
(1)Trailer Park Brake Control (JE4)
(2)Park Brake Control (JE4)
(3)Gage Center
(4)Inflatable Restraint I/P Module (AK5)
(5)Auxiliary Power Outlets
(6)Air Brake Pressure Gage (JE4)
(7)Transfer Case Shift Control Switch (NP1)
(8)Traction Control Switch (NW9)
(9)Outside Heated Mirror Switch (DB6/DB8)
(10)Exhaust Brake Switch (K40)
(11)Rear Axle Driver Control Switch - Two Speed (HPZ/Automatic Transmission)
(12)Inflatable Restraint I/P Module Disable Switch (AK5 w/o AQR)
(13)Differential Lock Switch (HNB/HPL/HPN) or Inter-Axle Differential Lock Switch (Tandem Axle)
(14)Switch
(15)Air Suspension Dump Switch (G40/G45/GSJ)
(16)Diesel Particulate Filter (DPF) (Diesel Only)
(17)Marker Lamp Switch (RQ2 and U86 or RQ3)
(18)High Idle Switch (UF3)/Power Take-Off (PTO) Switch
(19)Air Cleaner Restriction Gage (UPM)
(20)Automatic Transmission Fluid Temperature (TFT) Gage (Allison® CT/UXT)
(21)I/P Switchbank
(22)HVAC Control Assembly (C40/C60)
(23)Driver Information Center (DIC)
(24)Radio (w/o UL5)
(25)Inflatable Restraint Steering Wheel Module (AJ3/AK5)
(26)Headlamp Switch
(27)Turn Signal/Multifunction Switch
(28)Instrument Panel Cluster (IPC)
Figure 10:

I/P Harness
Object Number: 1963771 Size: LF
(1)Fuse Block - Underhood (Secondary)
(2)Blower Motor Resistor Assembly (C40/C60)
(3)X207 (30 cavities)
(4)Inflatable Restraint I/P Module (AK5)
(5)Fuse Block - I/P - 1
(6)Fuse Block - I/P - 2
(7)Air Brake Pressure Gage Lamp (JE4), Differential Lock Switch Lamp (HNB/HPL/HPN), Inter-Axle Differential Lock Switch Lamp (Tandem Axle), Rear Axle Driver Control Switch Lamp - Two Speed (HR1/Automatic Transmission)
(8)HVAC Control Assembly (C40/C60)
(9)Turn Signal/Hazard Flasher Module
(10)Daytime Running Lights (DRL) Diode
(11)Instrument Panel Cluster (IPC)
(12)Headlamp Switch
(13)Daytime Running Lights (DRL) Module
(14)JX 203 (12 cavities)
(15)X201 (48 cavities)
(16)Inflatable Restraint Steering Wheel Module (AJ3/AK5)
(17)X211 (22 cavities)
(18)X215 (8 cavities)
(19)X150 (4 cavities)
(20)Accelerator Pedal Position (APP) Sensor
(21)Radio
(22)Serial Data Gateway (SDG)
(23)Driver Information Center (DIC)
(24)Engine Control Module (ECM)
(25)X126 (40 cavities)
(26)X109 (40 cavities)
(27)X200
(28)X118
(29)G102
Figure 11:

I/P Harness to Transfer Case Shift Control Module
Object Number: 1964066 Size: LF
(1)I/P Carrier
(2)Transfer Case Shift Control Module Bracket
(3)Transfer Case Shift Control Module
(4)Transfer Case Shift Control Module Connector X1
(5)Transfer Case Shift Control Module Connector X2
(6)Transfer Case Shift Control Module Connector X3
Figure 12:

Left Front Kick Panel
Object Number: 1964324 Size: LF
(1)Headlamp Switch Connector
(2)Daytime Running Lights (DRL) Module
(3)JX203 (12 cavities)
(4)Chime Module Connector
(5)Turn Signal/Hazard Flasher Module
(6)Stop Lamp Switch
(7)Accelerator Pedal Position (APP) Sensor
(8)X215 (8 cavities)
(9)Park Brake Switch (JE3) (C4/C5)
(10)G202
(11)X211 (22 cavities)
(12)Clutch Pedal Position (CPP) Switch
(13) X275 (2 cavities - AJ3/AK5)
Figure 13:

Left Side of the I/P Harness
Object Number: 2177214 Size: LF
(1)Headlamp Swich
(2)Daytime Running Lights (DRL) Module
(3)JX203
(4)X275 (AJ3/AK5)
(5)Park Brake Switch (C4/C5 with JE3)(Foot Operated)
(6)Instrument Panel Cluster (IPC)
(7)X201
(8)Data Recorded Module (LF8)
(9)Daytime Running Lights (DRL) Diode
(10)Serial Data Gateway (SDG) Module (L18 with JE4, LF6/LF8)
(11)Accelerator Pedal Position (APP) Sensor
(12)Controller Area Network (CAN) Connector (L18 with LE4, LF6/LF8)
(13)Trigger Switch (LF8)
(14)Turn Signal/Hazard Flasher Module
(15)Chime Module (UL5/UXZ)
(16)X209
(17)X205
(18)X206
(19)X213
(20)X203
(21)X210 or X304
(22)G101
Figure 14:

Lower Right I/P
Object Number: 1964774 Size: LF
(1)I/P Harness
(2)Fuse Block - I/P - 2
Figure 15:

On The Steering Wheel/Column
Object Number: 1963642 Size: LF
(1)Turn Signal/Multifunction Switch (Cruise Control ON/OFF, Resume/Accel and Set/Coast Switches (K34), Headlamp Dimmer Switch, Turn Signal Switch, Windshield Wiper and Windshield Washer Switches)
(2)Horn Switch Ground Contact
Figure 16:

Right Side of I/P
Object Number: 1964063 Size: LF
(1)Door Lock Relay (AU0/AU3)
(2)Remote Control Door Lock Receiver (RCDLR) (AU0)
(3)Inflatable Restraint I/P Module (AK5)
(4)X207 (30 cavities)
(5)X212 (22 cavities)
(6)Air Temperature Actuator (C40/C60)
Figure 17:

Right Side of the I/P Harness
Object Number: 2177215 Size: LF
(1)Data Link Resistor 1
(2)Automatic Transmission Shift Lever (MD)
(3)Air Suspension Dump Switch (G40/G45/GSI)
(4)Radio
(5)HVAC Control Assembly X2 (C40/C60)
(6)Data Link Resistor 3
(7)Driver Information Center (DIC)
(8)Automatic Transmission Fluid Temperature (TFT) Gage (UXT)
(9)Air Brake Pressure Gage Lamp (LE4)
(10)Transfer Case Shift Control Switch (NP1)
(11)Inflatable Restraint I/P Module (AK5)
(12)Fuse Block - I/P 2
(13)X207
(14)X218
(15)Fuse Block - I/P 1
(16)Auxiliary Power Outlet 1
(17)Auxiliary Power Outlet 2
(18)X202
(19)Air Temperature Actuator (C60)
(20)HVAC Control Assembly X3 (C49)
(21)HVAC Control Assembly X1 (C40/C60)
(22)Data LInk Connector (DLC)
(23)Transfer Case Shift Control Module X3 (NP1)
(24)Transfer Case Shift Control Module X2 (NP1)
(25)Transfer Case Shift Control Module X1 (NP1)