ANTI-LOCK BRAKES – GMC Sierra 3500 HD 2008 – SYSTEM WIRING DIAGRAMS

ANTI-LOCK BRAKES

Anti-Lock Brake Wiring Diagram, with JL4 (1 of 2) for GMC Sierra 3500 HD 2008

List of elements for Anti-Lock Brake Wiring Diagram, with JL4 (1 of 2) for GMC Sierra 3500 HD 2008:

• (lower left side of dash) left i/p junction block
• (w/ low tire pressure, rear parking assist & remote entry) j302
• 12v
• 5v ref
• 6.6l
• Abs pump m
• Abs-1 fuse 61 fuse 56 40a
• Abs-2 fuse 9 fuse 8 25a
• Agle sns a
• Agle sns b
• Agle sns c
• Angle sns
• Brk sns
• Can h
• Can l
• Comm data
• Computer data lines system
• Electronic brake control module (ebcm) (on left side of frame assembly)
• Except 6.6l
• G201 (upper left corner of dash)
• G300 (below driver's door, on body mount)
• G302 (below right side of passenger's seat)
• Gmlan +
• Gmlan -
• Gnd
• Hot at all times
• J300
• Left front wheel speed sensor (wss) (on left front steering knuckle)
• Left rear wheel speed sensor (wss) (on left rear brake backing plate)
• Lf whl sns
• Logic
• Low ref
• Lr whl sns
• Motor
• Nca
• Pwr brk h
• Pwr brk l
• Radio
• Red
• Rf whl sns
• Right rear wheel speed sensor (wss) (on right rear brake backing plate)
• Rr whl sns
• Tan
• Underhood fuse block (left side of engine compt)
• Veh spd sig
• W/ luxury edition
• W/o luxury edition
• Yaw rate & lateral acceleration sensor (under center console trim panel)

Anti-Lock Brake Wiring Diagram, with JL4 (2 of 2) for GMC Sierra 3500 HD 2008

List of elements for Anti-Lock Brake Wiring Diagram, with JL4 (2 of 2) for GMC Sierra 3500 HD 2008:

• (31 series: on left frame rail) (20/30 series: left rear frame rail) trailer brake controller module (tbcm)
• (in instrument panel harness) (w/ power take off) j222
• (outside of right front chassis frame) power take off (pto) module
• (under rear of vehicle) fuel system control module (fscm)
• 12v
• 5.3l (vin 3) & 6.0l (vin k)
• Abs indicator
• Body control module (bcm) (lower left side of dash)
• Brake booster vacuum sensor (left rear of engine compt)
• Brake fluid level switch (on master cylinder)
• Brake indicator
• Brk sig
• Comm data
• Computer data lines system
• Except 4.3l, 5.3l (vin o),
• G201 (upper left corner of dash)
• Gmlan +
• Gmlan -
• I/p multi-function switch
• Instrument panel cluster (ipc)
• Interior lights system
• J201
• J338
• Logic
• Nca
• Park brake switch (on park brake pedal assembly)
• Power brake booster (left rear of engine compt)
• Prk brk sw
• Right front wheel speed sensor (wss) (on right front steering knuckle)
• Steering angle sensor (on steering column)
• Stop lamp switch (top of brake pedal assembly)
• Tan
• Traction sw

Anti-Lock Brake Wiring Diagram, without JL4 for GMC Sierra 3500 HD 2008

List of elements for Anti-Lock Brake Wiring Diagram, without JL4 for GMC Sierra 3500 HD 2008:

• (below driver's door, on body mount) g300
• (in instrument panel harness) (w/ power take off) j222
• (lower left side of dash) left i/p junction block
• (on master cylinder) brake fluid level switch
• 12v
• 4.3l
• 4.8l, 5.3l (vin j), 5.3l (vim m), 6.0l (vin y) & 6.2l (vin 8)
• Abs indicator
• Abs pump motor
• Abs-1 fuse 61 40a
• Abs-2 fuse 9 25a
• Body control module (bcm) (lower left side of dash)
• Brake indicator
• Brk sig
• Comm data
• Computer data lines system
• Electronic brake control module (ebcm) (on left side of frame assembly)
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l
• Fuel system control module (fscm) (under rear of vehicle)
• G201 (upper left corner of dash)
• Gmlan +
• Gmlan -
• Gnd
• Hot at all times
• Instrument panel cluster (ipc)
• Interior lights system
• J300
• J338 (4.8l, 5.3l (vin j), 5.3l (vim m), 6.0l (vin y) & 6.2l (vin 8))
• Left front wheel speed sensor (wss) (on left front steering knuckle)
• Lf whl sns
• Logic
• Nca
• Park brake switch (on park brake pedal assembly)
• Power take off (pto) module (outside of right front chassis frame)
• Prk brk sw
• Radio
• Red
• Rf whl sns
• Right front wheel speed sensor (wss) (on right front steering knuckle)
• Stop lamp switch (top of brake pedal assembly)
• Tan
• Trailer brake controller module (tbcm) (w/ trailer brake) (20/30 series: left rear frame rail) (31 series: on left frame rail)
• Underhood fuse block (left side of engine compt)
• Veh spd sig
• W/ luxury edition
• W/o luxury edition

Trailer ABS Wiring Diagram for GMC Sierra 3500 HD 2008

List of elements for Trailer ABS Wiring Diagram for GMC Sierra 3500 HD 2008:

• (in camper harness, 205 cm from x414 breakout) (w/ 5th wheel trailer) j421
• (in chassis harness) j422
• (lower left side of dash) left i/p junction block
• (on left rear body mount) g401
• 6.6l
• Comm data
• Computer data lines system
• Except 6.6l
• Exterior lights system
• Gmlan +
• Gmlan -
• Grd
• Hot at all times
• Hot w/ run/crnk relay energized
• Ign 1
• Interior lights system
• Itbc fuse 6 fuse 19 15a
• J411
• Low ref
• Misc ign fuse 43 fuse 40 10a
• Pnk
• Rly enable
• Rly feedback
• Stop lamp switch (top of brake pedal assembly)
• Stud 2 fuse 63 fuse 58 30a
• Tan
• Tcc brk sig
• Trailer brake control switch
• Trailer brake controller module (tbcm) (20/30 series: left rear frame rail) (31 series: on left frame rail)
• Trailer brake controller solid state relay (20/30 series: left rear frame rail) (31 series: on left frame rail)
• Trailer connector (at rear of vehicle)
• Trl brk rly
• Trl brk sig
• Underhood fuse block (left side of engine compt)
• W/ heavy duty trailer harness