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

Accelerator Pedal Position (APP) Sensor
Object Number: 397650 Size: LF
(1)Accelerator Pedal Position (APP) Sensor
Figure 2:

HVAC Actuators Behind the Right Side of the I/P
Object Number: 231686 Size: LF
(1)Mode Actuator
(2)Air Temperature Actuator
Figure 3:

Behind the Left Side of the I/P
Object Number: 1551566 Size: LF
(1)Lower I/P Harness
(2)J305
(3)Controller Area Network (CAN) Connector
(4)Forward Bulkhead
(5)X209 (6 cavities - Upfitter Connector - PTO)
(6)Glow Plug Relay
(7)Glow Plug Relay X2
(8)Glow Plug Relay X1
(9)Driver Grab-Handle
(10)Door Harness - Left
Figure 4:

HVAC Blower Behind the Right Side of the I/P
Object Number: 231683 Size: LF
(1)Blower Motor Resistor Assembly
(2)Recirculation Actuator
(3)Blower Motor
Figure 5:

Lower Center of the I/P
Object Number: 1988323 Size: LF
(1)Relay Block 2
(2)Horn Relay
(3)Starter Cut Off Relay
(4)Dome Lamp Relay
Figure 6:

Controller Area Network and Data Link Connectors
Object Number: 953469 Size: LF
(1)Data Link Connector (DLC)
(2)Controller Area Network (CAN) Connector
Figure 7:

Forward of the Center Console
Object Number: 397154 Size: LF
(1)Rear Axle Driver Control Switch - Two Speed (HPZ and Manual Transmission)
Figure 8:

Instrument Panel and Instrument Cluster With Gages
Object Number: 228466 Size: MF
(1)Speedometer
(2)Tachometer
(3)Air Pressure Gage
(4)Fuel Gage
(5)Engine Oil Pressure Gage
(6)Voltmeter
(7)Engine Coolant Temperature (ECT) Gage
(8)Indicator Lamps Check Switch
Figure 9:

Instrument Panel Switches, Center Forward View
Object Number: 1400889 Size: LF
(1)Outside Heated Mirror Switch (DNN)
(2)High Idle Switch (UF3) or Power Take-Off (PTO) Switch
(3)Exhaust Brake Switch (K40)
(4)Rear Axle Driver Control Switch - Two Speed (HPZ and Automatic Transmission)
(5)Traction Control Switch (NW9)
(6)Overdrive (OD) Defeat Switch (Allison® LCT)
(7)Marker Lamp Switch (JE4, RQ2 and U86, or JE4 and RQ3)
Figure 10:

Instrument Panel, Left Forward View
Object Number: 231675 Size: LF
(1)HVAC Controller
(2)Radio
(3)Cigar Lighter Lamp
(4)Cigar Lighter
(5)Park Brake Control (JE4)
(6)Trailer Brake Control (JE4)
(7)Blower Switch - Part of HVAC Controller
Figure 11:

Left Side of the I/P
Object Number: 231673 Size: LF
(1)Tachometer
(2)Horn Switch
(3)Speedometer
(4)I/P Dimming Module
(5)Multifunction Lever
Figure 12:

Instrument Panel Harness, Lower Right Side (Relay Center 3)
Object Number: 1988329 Size: LF
(1)Relay Block 3
(2)Hazard Flasher
(3)Blower Motor
Figure 13:

Instrument Panel, Right Side Forward View
Object Number: 1400890 Size: LF
(1)Fuse Block - I/P - 1
(2)Fuse Block - I/P - 2
(3)Relay Block 1
Figure 14:

Steering Column, Left
Object Number: 228426 Size: LF
(1)Turn Signal/Multifunction Switch
(2)Multifunction Lever
(3)Ignition Switch
(4)Turn Signal/Multifunction Lever
Figure 15:

Transmission Shift Control
Object Number: 397116 Size: LF
(1)Transmission Shift Control