ELECTRONIC POWER STEERING – Chevrolet Silverado 3500 2005 – SYSTEM WIRING DIAGRAMS

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Chevrolet Silverado 3500 2005

List of elements for Electronic Power Steering Wiring Diagram for Chevrolet Silverado 3500 2005:

44

• (5 cm from c122 breakout) s128
• (5 cm from ehps pump conn breakout) s129
• (near left kick panel) i/p relay block
• (right rear of engine compt)
• Battery 3
• Brake pedal position sensor
• Brake pedal position sig
• C1 f10
• C1 f8
• C341
• C9 c1
• Computer data lines system
• Ehps fuse 125a
• Ehps interlock signal
• Ehps-1 fuse 10a
• Electro hydraulic power steering (ehps) module (left front of engine)
• Energy storage box (under rear passenger seat)
• G103 (on right rear of engine block)
• G121
• G122 (left front of engine)
• G203 (behind left side of dash)
• Ground
• Hi speed gmlan ser data bus +
• Hi speed gmlan ser data bus -
• Hot in accy, run and start
• Hot in run and start
• I/p fuse block (on lower left side of dash)
• Ign 0 voltage
• Ing 0 fuse 10a
• Low ref
• Pnk
• Red
• S103
• S120
• S121
• S131
• Service dis- connect
• Starting/ charging system
• Steering wheel position signal a
• Steering wheel position signal b
• Steering wheel speed/position sensor (on steering column)
• Tan
• Underhood fuse block (left side of eng compt)
• Underhood secondary fuse block (left side of eng compt, rear of battery)

Rear Wheel Steering Wiring Diagram for Chevrolet Silverado 3500 2005

List of elements for Rear Wheel Steering Wiring Diagram for Chevrolet Silverado 3500 2005:

68

• 12v ref
• 2ws ind ctrl
• 4ws fuse 15a
• 4ws ind ctrl
• 5 volt ref
• 5v ref
• B+ volt
• B11
• Base
• Body control module (on lower left side of dash, below steering column)
• C1 b5
• C1 c5
• Case gnd
• Case ground
• Combination yaw rate sensor/lateral accelerometer sensor (under front passenger seat)
• Computer data lines system
• Cruise fuse 10a
• D12
• G101
• G203 (near left "a" pillar)
• Gnd
• Hall a sig
• Hall b sig
• Hall c sig
• Hot at all times
• Hot in run
• I/p relay block (lower left side of dash)
• Ign 3 fuse 10a
• Ign 3 volt
• Instrument cluster system
• Interior lights system
• Lat accel sig
• Left i/p fuse block
• Low ref
• Mega fuse 125a
• Mode ind ctrl
• Mode sw sig
• Phase a ctrl
• Phase b ctrl
• Phase c ctrl
• Pnk
• Pos 1 sig
• Pos 2 sig
• Pos a sig
• Pos b sig
• Power distribution system
• Pulse sig
• Rear wheel position sensor (left rear of vehicle)
• Rear wheel steering control module (near spare tire bracket)
• Rear wheel steering mode select switch
• Red
• Rly gnd
• Rly volt
• S212 (in i/p harness)
• S240 (in steering pnk column harness)
• S241 (in steering column harness)
• Sens gnd
• Sens ref
• Sens sig
• Serial data
• Steering gear motor assembly (near spare tire bracket)
• Steering wheel speed/ position sensor (on steering column)
• Tan
• Tan c
• Underhood fuse block
• Underhood fuse holder
• Vss
• Yaw sens sig