TRANSMISSION – GMC Envoy 2008 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

A/T Wiring Diagram (1 of 2) for GMC Envoy 2008

List of elements for A/T Wiring Diagram (1 of 2) for GMC Envoy 2008:

• 1-2 ss valv ctrl
• 2-3 ss valv ctrl
• 3-2 ss valv ctrl
• Accessory volt
• B11
• Batt volt
• Computer data lines system
• Exterior lights system
• Front hi sig
• G108 (on lower left side of engine)
• Gnd
• Ground distribution system
• Hot at all times
• Hot in acc or run
• Hot in run or start
• Ign 1 volt
• Ign e fuse 22 10a
• Iss sig
• J101
• J105
• J239
• Low ref
• Park/neutral position (pnp) switch (on lower left side of transmission)
• Pc sol valv hi ctrl
• Pc sol valv lo ctrl
• Pnk
• Pnk pnk
• Press sw sig a
• Press sw sig b
• Press sw sig c
• Rear fuse block (below left rear seat)
• Red
• Serial data (+)
• Serial data (-)
• Serial data bus (+)
• Serial data bus (-)
• Stop lamp fuse 12 25a
• Stop lamp sw sig
• Stop lamp switch (on brake pedal assembly)
• Tan
• Tcc pwm s valv ctrl
• Tcc sol valv ctrl
• Tcm cnstr fuse 15 10a
• Tcm fuse 35 10a
• Tft sens sig
• Trans fuse 53 15a
• Trans range sw a
• Trans range sw b
• Trans range sw c
• Trans range sw p
• Transmission control module (tcm) (left front of engine compt)
• Underhood fuse block (above left front wheelwell)
• Underhood fuse block (above left front x1 wheelwell)
• Veh stop fuse 34 15a
• Vehicle speed sensor (vss) (inside automatic transmission assembly)
• Vss high sig
• Vss low sig

A/T Wiring Diagram (2 of 2) for GMC Envoy 2008

List of elements for A/T Wiring Diagram (2 of 2) for GMC Envoy 2008:

• 1-2 shift solenoid (ss) valve
• 2-3 shift solenoid (ss) valve
• 3-2 shift solenoid (ss) valve
• A/t fluid temp sensor
• Automatic transmission
• Automatic transmission fluid pressure manual valve position switch
• Brake switch
• Brake warning switch
• Brake wear switch
• Chmsl sply
• Engine control module (ecm) (near lower left front of engine)
• Front hi sig
• Ign
• Input speed sensor (iss)
• Instrument panel cluster
• J133
• J134
• Logic
• Malfunction indicator lamp
• Mil ind ctrl
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Rev
• Tan
• Torque converter clutch (tcc) pulse width modulation (pwm) solenoid valve
• Torque converter clutch (tcc) solenoid valve

Transfer Case Wiring Diagram for GMC Envoy 2008

List of elements for Transfer Case Wiring Diagram for GMC Envoy 2008:

• (on bottom left side of dash) data link connector
• +5v ref
• 2 hi
• 2 hi ind
• 4 hi
• 4 hi ind
• 4 lo
• 4 lo ind
• 4 lo lock ind
• 4wd fuse 48 15a
• 4wd lo sig
• 5v ref
• A4wd
• A4wd ind
• Afwd ind
• Atc fuse 8 30a
• Axle act
• Axle sw
• B11
• Battery
• Class 2 data
• E11
• E5 x3
• Enc lo ref
• Encoder sig
• Engine control module (ecm) (near lower left front of engine)
• Front axle actuator (on inner flange of right front axle)
• Front propshaft speed sensor (on left front of transfer case)
• Front sig hi
• Front sig lo
• G102 (left side of engine compt, near rear of underhood fuse block)
• G105 (in engine compt, on firewall, near i/p harness pass-through)
• G107 (on lower left side of engine)
• Ground
• Ground distribution system
• Hot at all times
• Hot in run
• Hot in run or start
• Ign e fuse 48 10a
• Instrument panel cluster (ipc)
• Interior lights system
• J202
• J239
• Lock sol
• Logic
• Motor ctrl a
• Motor ctrl b
• Neut
• Neutral ind
• Pnk
• Power distribution system
• Rear fuse block (below left rear seat)
• Rear propshaft speed sensor (on right rear of transfer case)
• Rear sig hi
• Rear sig lo
• Red
• Service 4wd ind
• Splice pack jx205 (behind left of dash, near headlight switch connector)
• Sw sig
• Tan
• Transfer case encoder motor (part of transfer case)
• Transfer case shift control module (behind lower left side of dash)
• Transfer case shift control switch
• Underhood fuse block (above left front wheelwell)
• Underhood fuse block (above left front x3 wheelwell)
• X2 a11