TRANSMISSION – Chevrolet Chevy Express G3500 2009 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

Transmission Wiring Diagram (1 of 2) for Chevrolet Chevy Express G3500 2009

List of elements for Transmission Wiring Diagram (1 of 2) for Chevrolet Chevy Express G3500 2009:

• 1-2 shift sol
• 2-3 shift sol
• Acc wakeup data
• Automatic transmission (a/t) output shaft speed (oss) sensor assembly (at left rear of transmission)
• Batt pos volt
• Brk sw fuse 32 10a
• Brk sw sig
• Computer data lines system
• G103 (on right rear of engine)
• Gnd
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hot at all times
• Hot w/ run/crank relay 69 energized
• Hot w/ run/crank relay energized
• Ign volt
• Iss sig
• J101
• J123 (in engine harness, 16 cm from underhood fuse block x1 breakout)
• Low ref
• Pc sol hi
• Pc sol low
• Pnk
• Power distribution system
• Replicated tos sig
• Stop lamp switch (behind left side of dash, above brake pedal)
• Tan
• Tcc pwm
• Tcc sol valve ctrl
• Tcm batt fuse 44 10a
• Tcm ign fuse 47 15a
• Tft sens sig
• Tr sw a sig
• Tr sw b sig
• Tr sw c sig
• Tr sw p sig
• Trans fuse 51 15a
• Transmission control module (tcm)
• Underhood fuse block (on left side of engine compt)
• Vss hi sig
• Vss low sig

Transmission Wiring Diagram (2 of 2) for Chevrolet Chevy Express G3500 2009

List of elements for Transmission Wiring Diagram (2 of 2) for Chevrolet Chevy Express G3500 2009:

• 1-2 shift solenoid (ss) valve
• 2-3 shift solenoid (ss) valve
• 4.3l
• 5.3l
• Automatic transmission
• Automatic transmission fluid temperature (tft) sensor
• Body control module (bcm) (behind lower right side of dash)
• Computer data lines system
• Ctrl sig ign lock cyl actr
• Engine control module (ecm) (left side of engine compt)
• G103 (on right rear of engine)
• G302 (behind left kick panel)
• Hi spd gmlan +
• Hi spd gmlan -
• Ind mil
• Input shaft speed sensor (iss)
• Instrument panel cluster (ipc)
• J101
• J135
• J248
• Lo gm gmlan
• Logic
• Mil ctrl
• Nca
• Park/neutral position (pnp) switch
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sig
• Tan
• Torque converter clutch (tcc) pulse width modulation (pwm) solenoid valve
• Torque converter clutch (tcc) solenoid valve
• Tow/ haul ind
• Tow/haul sw sig
• Tow/haul switch