GMC Savana G2500 (1996-2013) Transmission circuit

1 2 B+ GND 1-2 SHIFT SOLENOID (SS) CONTROL 1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOLENOID (SS) CONTROL 2-3 SHIFT SOLENOID (SS) VALVE 6 7 8 9 10 11 12 BRAKE SW SIG 6.6L 6.6L AUTOMATIC TRANSMISSION ASSEMBLY 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) 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 INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER 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 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 ASSEMBLY (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)

8 VOLT REF AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) 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 CRUISE CONTROL, SOUND SYSTEMS FROM AUTOMATIC TRANSMISSION ASSEMBLY (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) LT BLU WIRE OSS SENSOR P/N PNK WIRE PPL RED WIRE REF SENSOR 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 INPUT SHAFT SPEED (ISS) TRANSMISSION INPUT SPEED SENSOR (ISS) SIGNAL TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION OUTPUT SPEED SENSOR (OSS) SIGNAL TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P WHT WIRE YEL WIRE