Wheels/Vehicle Underbody Component Views. Isuzu Isuzu MD F-Series 2008

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 2008 🢒 Isuzu MD F-Series 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Wheels/Vehicle Underbody Component Views

Figure 1:

Air Brake Dryer Harness (ABS-Air), Left Forward View


(1)	Air Brake Dryer

Figure 2:

Air Reservoir


(1)	Moisture Ejector Valve
(2)	Primary Air Reservoir
(3)	Back-of-Cab (BOC) Crossmember

Figure 3:

Air Suspension Dump Valve


(1)	Air Suspension Dump Valve

Figure 4:

Front Chassis Harness to Brake Components (JE3)


(1)	Brake Fluid Flow Switch
(2)	Electronic Brake Control Module (EBCM) (JE3) Connecor X2 (2 cavities)
(3)	Electronic Brake Control Module (EBCM) (JE3) Connector X1 (24 cavities)
(4)	Electronic Brake Control Module (EBCM) (JE3)

Figure 5:

Front of the Crossmember in Front of the Rear Axle


(1)	Rear Chassis Harness
(2)	Differential Lock Harness
(3)	Front of Axle Crossmember
(4)	Differential Lock Control Valve (HNB)

Figure 6:

Electronic Brake Controls Harness and Components (JE4)


(1)	Right Rear Wheel Speed Sensor (WSS)
(2)	Right Rear Gender Adapter Connector (4 male-to-male cavities)
(3)	Right Rear Brake Pressure Modulator Valve (BPMV)
(4)	Left Rear Brake Pressure Modulator Valve (BPMV)
(5)	Left Rear Wheel Speed Sensor (WSS)
(6)	Left Rear Gender Adapter Connector (4 male-to-male cavities)

Figure 7:

Front Chassis Harness to Brake Components


(1)	Brake Pressure Modulator Valve (BPMV), Right Side Front
(2)	BPMV, Left Side Front

Figure 8:

Front Chassis Harness to Right Side Frame


(1)	Starter Relay
(2)	Front Chassis Harness
(3)	Battery Cable
(4)	X403
(5)	Rear Chassis Harness
(6)	Negative Battery Cable
(7)	Transmission Support Crossmember
(8)	Ground Block - Part of Negative Battery Cable
(9)	G407
(10)	X405
(11)	Starter Relay Connector X3
(12)	Starter Relay Connector X1
(13)	Starter Relay Connector X2

Figure 9:

Front Wheel Speed Sensor (WSS)


(1)	Wheel Speed Sensor (WSS) - Right Front

Figure 10:

Fuel Tank Harness to Fuel Level Controls, Left Side Front View


(1)	Fuel Sender and Balance Pump Control Module
(2)	Fuel Sender and Balance Pump Control Module Connector
(3)	Fuel Transfer Pump Relay
(4)	Fuel Tank Harness to Left Side Tank
(5)	Back of Cab Crossmember

Figure 11:

Fuel Senders, G400, Low Air Alarms, Splice Pack SP400 (Ground Block) - LG4/LG5


(1)	Fuel Sender - Primary
(2)	Fuel Tank
(3)	Low Air Pressure Switch - Primary
(4)	Low Air Pressure Switch - Secondary
(5)	Splice Pack JX400 (Ground Block - 6 cavities)
(6)	Fuel Sender - Secondary Connector
(7)	Ground G400
(8)	Fuel Sender - Secondary
(9)	Fuel Tank - Secondary

Figure 12:

Fuel Components


(1)	Fuel Sender - Secondary (NG7, NJ7, NJ8 or NNQ)
(2)	Fuel Sender (NG7, NJ7, NK6, NJ8, NNQ or NNV)
(3)	Water-In-Fuel Sensor (NWB)

Figure 13:

Fuel Tank Harness, Left Side


(1)	Fuel Sender
(2)	Fuel Tank

Figure 14:

Water in Fuel Sensor


(1)	Water in Fuel Sensor
(2)	Fuel Filter Primary

Figure 15:

Fuel Tank Harness, Left Side


(1)	Fuel Sending Unit Connector
(2)	Fuel Tank Sender
(3)	Fuel Transfer Pump Connector
(4)	Fuel Transfer Pump
(5)	Back of Cab Crossmember
(6)	Fuel Tank Harness
(7)	X411
(8)	Rear Chassis Harness

Figure 16:

Low Air Pressure Switch


(1)	Low Air Pressure Switch (JE4)

Figure 17:

Front Chassis Harness to Brake Components


(1)	Power Brake Booster Pump (JE3)
(2)	Power Brake Booster Pump Motor (JE3)
(3)	Brake Fluid Level Switch (JE3)

Figure 18:

Front of the Left Rear Axle Housing


(1)	Rear Axle Shift Motor - Two Speed (HPZ)

Figure 19:

Front of the Crossmember, Forward of the Rear Axle


(1)	Rear Axle Shift Relay - Two Speed (HPZ)
(2)	X404 Rear Chassis Harness to Axle Harness Connector

Figure 20:

Left Side of Frame Rail


(1)	Frame Rail-Left Side
(2)	Fuse Block 2
(3)	Fuse Block 1

Figure 21:

Rear of Frame, Right Rear View


(1)	Wheel Speed Sensor (WSS) -- Left Rear

Figure 22:

Trailer Front Harness to Cab Bridge, Left Forward View


(1)	Trailer Receptacle