GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C-Series Medium Duty Truck B7 🢒 Brakes 🢒 Air Brakes 🢒 Air Brake System Component Views
Figure 1:

Rear Brake Pressure Modulator Valves (BPMV), Left Side Forward View
Object Number: 228676 Size: MF
(1)Rear Right Side Brake Pressure Modulator Valve (BPMV)
(2)Rear Left Side Wheel Speed Sensor (WSS) Connector
(3)Rear Left Side BPMV
Figure 2:

I/P, Center View
Object Number: 228686 Size: MF
(1)Hourmeter
(2)Air Brake Pressure Gauge Lamp
(3)Air Brake Pressure Gauge
(4)Ammeter
(5)Multifunction Alarm Module (MFAM), connector C2 (4 cavities) (w/ Automatic Engine Shutdown)
(6)Hazard Warning Switch Indicator Lamp
(7)Right Side I/P Trim Bezel
(8)Hazard Warning Switch
(9)Center I/P Trim Bezel
(10)Automatic Transmission (A/T) Selector Control
(11)Left Side I/P Trim Bezel
(12)Low Air Pressure Switch
(13)C202 (6 cavities)
Figure 3:

ABS Harness, Right Side Forward View
Object Number: 228700 Size: MF
(1)Front Left Side Brake Pressure Modulator Valve (BPMV)
(2)Front Right Side BPMV
(3)Front Right Side Wheel Speed Sensor (WSS) Pigtail
(4)Front Left Side WSS Pigtail