GMC Savana H2500 (2003-2003) underhood fuse block Wiring diagrams

1-2 SOL 2-3 SOL 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLU WIRE BRN WIRE DK BLU WIRE GRY WIRE HOT IN RUN, START IGN E FUSE 22 LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK WIRE PPL RED WIRE REV STOP LAMP SWITCH (ABOVE BRAKE PEDAL) TAN (OR WHT) WIRE TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BLUNT CUT) BODY FUSE BLOCK BRN WIRE BTSI/BU FUSE 36 SPARE FUSE 25 CRUISE CONTROL MODULE (IF EQUIPPED) CTSY LP RELAY (RV/UPFITTER) CTSY LP/SEO FUSE 3 CUTAWAY DK GRN WIRE FR PRK FUSE 22 FROM BODY FUSE BLOCK (AUXILIARY 2 FUSE 33) (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (IGN A FUSE 49) (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (IGN B, FUSE 52) (DIAGRAM 2 OF 6) FUSE 39 FUSE 40 HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (HEAVY DUTY) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSIDE REARVIEW MIRROR (W/ TEMP DISPLAY) BODY CONTROL MODULE (BCM) ISRV FUSE 26 LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LICENSE LAMP LOCK LOCK OFF LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF ORG/ WIRE PARK PARK LP RELAY PARK/ NEUTRAL POSITION (PNP) SWITCH PCM IGN 1 FUSE 38 PNK WIRE POWERTRAIN CONTROL MODULE (PCM) RED/BLK WIRE REVERSE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP RIGHT TAILLAMP ASSEMBLY LEFT TAILLAMP ASSEMBLY RR PRK FUSE 20 LR PRK FUSE 18 RUN WIRE SIR FUSE 37 SPARE FUSE 35 STOP LAMP SWITCH (BLUNT CUT) (NOT USED) TBC IGN 1 FUSE 24 TO BODY FUSE BLOCK (AUXILIARY 1 FUSE 32) (DIAGRAM 5 OF 6) TO BODY FUSE BLOCK (BRKS FUSE 11) (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE BLOCK (CRANK FUSE 27) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (ENG 2 FUSE 21) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (IGN O FUSE 6) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (TBC ACC FUSE 46) (DIAGRAM 4 OF 6) TRAILER WIRING TRAILER WIRING CUTAWAY TRLR BU FUSE 5 BTSI FUSE 28 TRLR PRK FUSE 21 UPFTR PRK FUSE 16 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

4.3L A/C RELAY AUTOMATIC TRANSMISSION BODY CONTROL MODULE (BCM) BRN WIRE CRANK FUSE 27 CRUISE CONTROL ON/OFF SWITCH ENG 1 FUSE 23 ENG 2 FUSE 21 EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXCEPT 4.3L EXCEPT 4.3L 4.3L FR WPR FUSE 47 FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE BLOCK (SIR FUSE 37) (DIAGRAM 3 OF 6) FUEL FUEL INJECTOR INJECTOR FUEL INJECTOR IGN 0 FUSE 6 IGN E FUSE 22 IGNITION COIL IGNITION COIL MODULE IGNITION IGNITION IGNITION COIL COIL COIL INSTRUMENT PANEL CLUSTER MASS AIR FLOW (MAF SENSOR) PARK/ NEUTRAL POSITION (PNP) SWITCH PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL STOP LAMP SWITCH TBC ACC FUSE 46 TURN SIGNAL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK WHT WIRE WINDSHIELD WIPER MOTOR YEL WIRE

AIR TEMPERATURE ACTUATOR AUXILIARY 1 FUSE 32 AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY HIGH SPEED BLOWER MOTOR RELAY AUXILIARY HVAC CONTROL PROCESSOR AUXILIARY LOW SPEED BLOWER MOTOR RELAY AUXILIARY MED SPEED BLOWER MOTOR RELAY AUXILIARY MODE ACTUATOR AUXILIARY RELAY BODY FUSE BLOCK BREAKOUT) (W/O RV UPFITTER OPTION) (W/ RV UPFITTER OPTION) BRKS FUSE 11 BRN WIRE DK GRN WIRE DRIVER WINDOW SWITCH (IF EQUIPPED) ELECTRONIC BRAKE CONTROL MODULE (EBCM) FROM BODY FUSE BLOCK (CTSY LP/SEO FUSE 3) (DIAGRAM 3 OF 6) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FRONT AUXILIARY HVAC CONTROL ASSEMBLY FRONT AUXILIARY HVAC CONTROL ASSEMBLY REAR AUXILIARY HVAC CONTROL ASSEMBLY FRONT PASSENGER WINDOW SWITCH (IF EQUIPPED) HVAC 1 FUSE 9 HVAC CONTROL ASSEMBLY HVAC FUSE 10 NOT AVAILABLE FUSE 17 ORG/ WIRE OSRVM FUSE 2 OUTSIDE REARVIEW MIRROR SWITCH (IF EQUIPPED) PROVISIONAL RED/BLK WIRE RED/WHT WIRE RR BLOWER FUSE 13 UNDERHOOD FUSE BLOCK W/ AUXILIARY HVAC W/ REAR AUXILIARY CONTROL W/ REAR AUXILIARY HVAC W/O REAR AUXILIARY CONTROL WND RAP RELAY PWR WND CIRCUIT BREAKER

ALL- DOWN ALL-UP BACK BLK WIRE BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) BRN WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT MOTORS ENTIRE SEAT FOR- WARD FRONT DOWN FRONT DOWN DOWN FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT MOTORS FRONT UP FRONT VERTICAL HORIZONTAL HOT AT ALL TIMES NCA WIRE PWR SEAT CIRCUIT BREAKER 60 REAR DOWN REAR DOWN DOWN REAR UP REAR VERTICAL RED/WHT WIRE RIGHT POWER SEAT FORWARD/ REARWARD MOTOR RIGHT POWER SEAT FRONT TILT MOTOR RIGHT POWER SEAT REAR TILT MOTOR SPLICE PACK 347 UNDERHOOD FUSE BLOCK

2 1 VOICE LOW REF VOICE SIGNAL ANTENNA ANTENNA IN BLK/WHT WIRE CELL PHONE REF CELL PHONE SIG CLASS 2 DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR TWEETER SPEAKER LF SPEAKER (+) LF SPEAKER (-) RR SPEAKER (-) RR SPEAKER (+) GROUND BATTERY LR SPEAKER + LR SPEAKER - RF SPEAKER - RF SPEAKER + LT BLU WIRE LT BLU/BLK WIRE NCA WIRE NOT USED ORG/ WIRE RADIO RADIO BAT FUSE 1 RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR TWEETER SPEAKER TAN WIRE UNDERHOOD FUSE BLOCK WHT WIRE

A/T SHIFT LOCK CONTROL SOLENOID (RIGHT SIDE OF STEERING COLUMN) BLK WIRE DK GRN WIRE HOT IN RUN OR START BTSI/BU FUSE 36 LT GRN WIRE PARK/ NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSMISSION) PNK WIRE STOPLAMP SWITCH (ABOVE BRAKE PEDAL) UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK BTSI FUSE 28 WHT WIRE