GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Yukon XL - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Antilock Brake System Component Views
Figure 1:

Left Side Frame Rail - w/o JL4
Object Number: 599037 Size: MF
(1)Electronic Brake Control Module (EBCM)
(2)Electronic Brake Control Module (EBCM) Electrical Connector - C1
(3)Electronic Brake Control Module (EBCM) Electrical Connector - C2
(4)Frame
Figure 2:

Vehicle Speed Sensor (VSS) and Back Up Lamp Switch (Manual Transmission)
Object Number: 310252 Size: MF
(1)Back Up Lamp Switch Connector
(2)Vehicle Speed Sensor (VSS)
(3)Vehicle Speed Sensor (VSS) Connector
(4)Back Up Lamp Switch
Figure 3:

Automatic Transmission 4L60E
Object Number: 310227 Size: LF
(1)Transmission Electrical Connector
(2)Vehicle Speed Sensor (VSS)
(3)Frame Rail Cross Member
(4)Heated Oxygen Sensor Bank 1 Sensor 2 Electrical Connector
(5)Back Up Lamp Switch Connector (Part of the Park/Neutral Position Switch)
(6)Park Neutral Position SwitchConnector
(7)PRND/Park Neutral/Back up Switch Assembly
(8)Heated Oxygen Sensor Bank 1 Sensor 1 Electrical Connector
Figure 4:

Automatic Transmission 4L80-E
Object Number: 310233 Size: LF
(1)Vehicle Speed Sensor
(2)Harness Connector
(3)Backup Lamp Switch Connector (Part of the Park / Neutral Position Switch)
(4)Park / Neutral Position Switch Connector
(5)Input Shaft Speed Sensor Connector
(6)Park / Neutral Position Switch
Figure 5:

Brake Pedal Components
Object Number: 349997 Size: MF
(1)Vacuum Booster
(2)Brake Pedal
(3)Stoplamp Switch
(4)Accelerator Pedal
(5)Stoplamp Switch Retainer
(6)Dash Panel