TRANSMISSION – GMC Envoy 2003 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

Transfer Case Wiring Diagram, 2 Speed for GMC Envoy 2003

List of elements for Transfer Case Wiring Diagram, 2 Speed for GMC Envoy 2003:

• (below left side of dash) data link connector
• (i/p harn, 10 cm from steering column breakout, toward headlamp switch breakout)
• (on lower left side of engine)
• +5v ref
• +8v ref
• 1.1k
• 2 hi
• 2 hi ind
• 2.2k
• 2wd
• 4 hi
• 4 hi ind
• 4 lo
• 4 lo ind
• 4.2l
• 4wd fuse 15a
• 4wd lo sig
• 5.1k
• 5.3l
• Afwd
• Afwd ind
• Atc fuse 25a
• Axle act
• Axle sw
• B11
• Battery
• Brake
• C2 a11
• Class 2 data
• E11
• E5 c3
• Encoder
• Encoder gnd
• Encoder p
• Front axle actuator (on inner flange of front axle)
• Front sig hi
• Front sig lo
• G102 (left side of underhood compt, near rear of underhood fuse block)
• G107
• G201
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Ing e fuse 10a
• Instrument panel cluster (ipc)
• Interior lights system
• Lock sol
• Logic
• Motor
• Motor ctrl a
• Motor ctrl b
• Neut
• Neutral
• Neutral ind
• Pnk
• Powertrain control module (4.2l: upper left side of engine) (5.3l: near lower left front of engine)
• Propshaft speed sensor (left front) (left front of transfer case)
• Propshaft speed sensor (right rear) (right rear of transfer case)
• Rear fuse block (below left rear seat)
• Rear sig hi
• Rear sig lo
• Red
• S202
• S232
• S239
• Service 4wd/ awd
• Sp201 (at lower right front of lower console)
• Splice pack sp205 (behind left side of dash)
• Sw sig
• Tan
• Tcc/brake switch, traction control switch, multi-function switch, headlamp leveling switch, rearview mirror
• Theft deterent control module
• Transfer case encoder motor
• Transfer case shift control module (behind lower left side of dash)
• Transfer case shift control switch
• Under- hood fuse block (left side of engine compt)
• Underhood fuse block (left side of engine compt)
• W/ immobilizer

Transfer Case Wiring Diagram, Single Speed for GMC Envoy 2003

List of elements for Transfer Case Wiring Diagram, Single Speed for GMC Envoy 2003:

• (behind left side of dash) splice pack sp205
• (i/p harn, 10 cm from steering column breakout, toward headlamp switch breakout)
• (left side of underhood compt, near rear of underhood fuse block)
• +5v ref
• A11
• Atc fuse 25a
• B6 c2
• Battery
• Class 2 data
• Data link connector (on bottom left side of dash)
• Encoder
• Encoder gnd
• Encoder sig
• Front sig hi
• Front sig lo
• G102
• G201
• Ground
• Hot at all times
• Hot in run or start
• Ing e fuse 10a
• Instrument panel cluster (ipc)
• Logic
• Motor
• Motor ctrl a
• Motor ctrl b
• Pnk
• Propshaft speed sensor (left front) (left front of transfer case)
• Propshaft speed sensor (right rear) (right rear of transfer case)
• Rear sig hi
• Rear sig lo
• Red
• S202
• S232
• S239
• Service 4wd/ awd
• Sp201 (right front of lower console)
• Stop lamp switch, traction control switch, multi-function switch, headlamp leveling switch, inside rearview mirror, inverting driver module (olds)
• Theft deterent control module
• Transfer case encoder motor
• Transfer case shift control module (behind lower left side of dash)
• Underhood fuse block (left side of engine compt)
• W/ immobilizer

4.2L VIN S

4.2L VIN S, A/T Wiring Diagram for GMC Envoy 2003

List of elements for 4.2L VIN S, A/T Wiring Diagram for GMC Envoy 2003:

• (i/p harn, 10 cm from steering column breakout, toward headlamp switch breakout)
• 1-2 shift red solenoid valve
• 2-3 shift red solenoid valve
• 3-2 shift red solenoid valve
• 4wd circuit (w/ 2-spd transfer case)
• 4wd lo
• A2 c1
• Accelerator pedal position sensor (on bracket, above accelerator pedal)
• App 1 +5v
• App 1 lo
• App 1 sig
• App 2 +5v
• App 2 lo
• App 2 sig
• Automatic trans- mission fluid pressure manual valve position switch
• Automatic transmission
• Automatic transmission fluid temperature sensor
• Automatic transmission shift lock actuator
• Battery
• Body control module (bcm) (beneath left rear seat)
• C2 a7
• Class 2 data
• D2 c1
• D2 sw
• D3 sw
• D4 sw
• Data link connector (below left side of dash)
• Down (3-2)
• E3 c2
• Ect ref
• Ect sig
• Engine coolant temperature sensor (left front of engine block, near generator)
• Etc fuse 10a
• F14
• G108 (lower left side of engine)
• Ground
• Hot at all times
• Hot in accy, run or start
• Hot in run or start
• Ign 0 fuse 10a
• Ignitioin 1
• Ignition
• Ignition 1
• Ing e fuse 10a
• Instrument panel cluster (ipc)
• Lo sw
• Mil ind
• Park/neutral position switch (left side of transmission)
• Pcm 1 fuse 15a
• Pcm b fuse 20a
• Pcs sol (hi)
• Pcs sol (lo)
• Pnk
• Powertrain control module (upper left side of engine)
• Pressure control solenoid valve
• Prndl a in
• Prndl b in
• Prndl c in
• Prndl p in
• Rear fuse block (below left rear seat)
• Red
• Rev sw
• S232
• S239
• S320
• Service engine soon
• Solenoid
• Splice pack sp205 (behind left side of dash)
• Ss a (1-2)
• Ss b (2-3)
• Stop lamp switch, traction control switch, multi-function switch, headlamp leveling switch, inside rearview mirror, inverting driver module (olds)
• Stoplamp in
• Tan
• Tcc
• Tcc pmw red
• Tcc pwm
• Tcc red
• Tfp sw a
• Tfp sw b
• Tfp sw c
• Tft ref
• Tft sig
• Theft deterent control module
• Throttle actuator control motor (on throttle body)
• Tp 1 +5v
• Tp 1 lo
• Tp 1 sig
• Tp 2 +5v
• Tp 2 lo
• Tp 2 sig
• Trailer brake control unit
• Underhood fuse block (left side of engine compt)
• Veh stop fuse 34 15a
• Vehicle speed sensor (4wd/awd: left rear of transfer case) (2wd: left rear of transmission)
• Vss (hi)
• Vss (lo)
• W/ immob
• W/ immobilizer
• W/o immob
• W/o immobilizer