GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2004 🢒 Isuzu MD F-Series 🢒 Brakes 🢒 Air Antilock Brake System 🢒 Air Antilock Brake System Component Views
Figure 1:

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 2:

Front Chassis Harness to Brake Components
Object Number: 231739 Size: LF
(1)Brake Pressure Modulator Valve (BPMV), Right Side Front
(2)BPMV, Left Side Front
Figure 3:

Front Wheel Speed Sensor (WSS)
Object Number: 231740 Size: LF
(1)Wheel Speed Sensor (WSS) - RF (LF Similar)
Figure 4:

Electronic Brake Controls Harness and Components , LH View
Object Number: 231756 Size: LF
(1)RH Rear Wheel Speed Sensor (WSS) (JE4)
(2)RH Rear Gender Adapter Connector (4 male-to-male cavities) (JE4)
(3)RH Rear Brake Pressure Modulator Valve (BPMV) (JE4)
(4)LH Rear BPMV (JE4)
(5)LH Rear WSS (JE4)
(6)LH Rear Gender Adapter Connector (4 male-to-male cavities) (JE4)
Figure 5:

Rear of Frame, Right Rear View
Object Number: 231761 Size: MF
(1)Wheel Speed Sensor (WSS) -- LR (RF Symilar)