Transmission circuit for Chevrolet Chevy Express G2500 (1996-2012)
Transmission circuit (1 of 2)
1 2 B+ GND
6 7 8 9 10 11 12 BRAKE SW SIG
AUTOMATIC TRANSMISSION
AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR
BLK/WHT WIRE
BRK SW FUSE 13
BRN/WHT WIRE
COMPUTER DATA LINES SYSTEM
CONTROL SOLENOID VALVE ASSEMBLY
DK BLU WIRE
DK GRN WIRE
DRIVER INFORMATION CENTER DISPLAY (DIC)
ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT)
EXCEPT 6.6L 6.6L
EXTERIOR LIGHTS SYSTEM 1786 2501 2500 6399
GMLAN
HOT AT ALL TIMES
HOT W/ RUN/CRNK RELAY 15 ENERGIZED
IGN
IGN VOLTAGE
INSTRUMENT PANEL CLUSTER
INSTRUMENT PANEL CLUSTER (IPC)
LOGIC
LOW REFERENCE
LT BLU WIRE
LT BLU/WHT WIRE
ORG/BLK WIRE
PC SOLENOID 1 CONTROL
PC SOLENOID 2 CONTROL
PC SOLENOID 3 CONTROL
PC SOLENOID 4 CONTROL
PC SOLENOID 5 CONTROL
PNK WIRE
PRESSURE CONTROL (PC) SOLENOID VALVE 1
PRESSURE CONTROL (PC) SOLENOID VALVE 2
PRESSURE CONTROL (PC) SOLENOID VALVE 3
PRESSURE CONTROL (PC) SOLENOID VALVE 4
PRESSURE CONTROL (PC) SOLENOID VALVE 5
RED/WHT WIRE
SHIFT SOLENOID (SS) 1 CONTROL
SHIFT SOLENOID (SS) 2 CONTROL
SHIFT SOLENOID (SS) VALVE 1
SHIFT SOLENOID (SS) VALVE 2
STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL)
TAN WIRE
TAN/BLK WIRE
TCM BATT FUSE 32
TCM IGN FUSE 31
TO AUTOMATIC TRANSMISSION (DIAGRAM 2 OF 2)
TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID VALVE
TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL
TOW/HAUL IND
TOW/HAUL SWITCH
TRANSMISSION CONTROL MODULE (TCM)
TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR SIGNAL
UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT)
Transmission circuit (2 of 2)
8 VOLT REF
AUTOMATIC TRANSMISSION
AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH
AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS)
AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH
BLK WIRE
BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH)
COMPUTER DATA LINES SYSTEM
FROM AUTOMATIC TRANSMISSION (DIAGRAM 1 OF 2)
GMLAN GMLAN SERIAL SERIAL DATA DATA BUS - BUS +
GMLAN SERIAL DATA BUS +
GRN WIRE
GROUND
GRY WIRE
INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (AT TOP OF STEERING COLUMN)
INPUT SHAFT SPEED (ISS) SENSOR
INPUT SPEED SENSOR (ISS) SIGNAL
LT BLU WIRE
OUTPUT SHAFT SPEED (OSS) SENSOR
OUTPUT SPEED SENSOR (OSS) SIGNAL
PNK CRUISE CONTROL, SOUND SYSTEMS WIRE
PNK WIRE
PPL
RED WIRE
REF
TAN WIRE
TAN/BLK WIRE
TAP UP/ TAP DOWN SW SIG
TFP SWITCH 1
TFP SWITCH 3
TFP SWITCH 4
TFP SWITCH 5
TOW/ HAUL SW SIG
TRANSMISSION CONTROL MODULE (TCM) CONTROL SOLENOID VALVE ASSEMBLY
TRANSMISSION RANGE SWITCH SIG A
TRANSMISSION RANGE SWITCH SIG B
TRANSMISSION RANGE SWITCH SIG C
TRANSMISSION RANGE SWITCH SIG P
WHT WIRE
YEL WIRE