Chevrolet Cab & Chassis K2500 (1989-2000) m/t a/t Wiring diagrams

AUXILIARY BATTERY RELAY BLK WIRE BLK/WHT WIRE BRN WIRE DIESEL FRONT AXLE ACTUATOR FUSE 24 GASOLINE GRY WIRE GRY/BLK WIRE HARN) HOT IN PARK OR HEAD HOT IN RUN I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUM FUSE 14 INDICATOR LT BLU WIRE M/T A/T POWERTRAIN CONTROL MODULE (BEHIND RIGHT RED WIRE SIDE OF DASH) TIMER LOGIC, RELAY MODULE (RIGHT SIDE OF FIREWALL) TRANSFER CASE MODE SELECTOR ILLUMINATION LAMP TRANSFER CASE SYNCHRONIZER (TOP OF TRANSFER CASE) VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT)

AUXILIARY BATTERY RELAY BLK WIRE BLK/WHT WIRE BRN WIRE DIESEL FRONT AXLE ACTUATOR FUSE 24 GASOLINE GRY WIRE GRY/BLK WIRE HARN) HOT IN PARK OR HEAD HOT IN RUN I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUM FUSE 14 INDICATOR LT BLU WIRE M/T A/T POWERTRAIN CONTROL MODULE (BEHIND RIGHT RED WIRE SIDE OF DASH) TIMER LOGIC, RELAY MODULE (RIGHT SIDE OF FIREWALL) TRANSFER CASE MODE SELECTOR ILLUMINATION LAMP TRANSFER CASE SYNCHRONIZER (TOP OF TRANSFER CASE) VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT)

AUXILIARY BATTERY RELAY BLK WIRE BLK/WHT WIRE BRN WIRE DIESEL FRONT AXLE ACTUATOR FUSE 24 GASOLINE GRY WIRE GRY/BLK WIRE HARN) HOT IN PARK OR HEAD HOT IN RUN I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUM FUSE 14 INDICATOR LT BLU WIRE M/T A/T POWERTRAIN CONTROL MODULE (BEHIND RIGHT RED WIRE SIDE OF DASH) TIMER LOGIC, RELAY MODULE (RIGHT SIDE OF FIREWALL) TRANSFER CASE MODE SELECTOR ILLUMINATION LAMP TRANSFER CASE SYNCHRONIZER (TOP OF TRANSFER CASE) VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT)

AUXILIARY BATTERY RELAY BLK WIRE BLK/WHT WIRE BRN WIRE DIESEL FRONT AXLE ACTUATOR FUSE 24 GASOLINE GRY WIRE GRY/BLK WIRE HOT IN PARK OR HEAD HOT IN RUN I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUM FUSE 14 INDICATOR M/T A/T POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) TRANSFER CASE MODE SELECTOR ILLUMINATION LAMP TRANSFER CASE SWITCH (TOP LEFT OF TRANSFER CASE) VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT)

AUXILIARY BATTERY RELAY BLK WIRE BLK/WHT WIRE BRN WIRE DIESEL FRONT AXLE ACTUATOR FUSE 24 GASOLINE GRY WIRE GRY/BLK WIRE HOT IN PARK OR HEAD HOT IN RUN I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUM FUSE 14 INDICATOR M/T A/T POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) TRANSFER CASE MODE SELECTOR ILLUMINATION LAMP TRANSFER CASE SWITCH (TOP LEFT OF TRANSFER CASE) VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT)

AUXILIARY BATTERY RELAY BLK WIRE BLK/WHT WIRE BRN WIRE DIESEL FRONT AXLE ACTUATOR FUSE 24 GASOLINE GRY WIRE GRY/BLK WIRE HOT IN PARK OR HEAD HOT IN RUN I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUM FUSE 14 INDICATOR M/T A/T POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) TRANSFER CASE MODE SELECTOR ILLUMINATION LAMP TRANSFER CASE SWITCH (TOP LEFT OF TRANSFER CASE) VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT)

3 22 SPEED SENSOR OUTPUT BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (TOP OF CLUTCH PEDAL) CRUISE CONTROL MODULE (LEFT REAR OF ENGINE COMPARTMENT) CRUISE CONTROL SWITCH CRUISE ENGAGE INPUT CRUISE FUSE 6 CRUISE ON INPUT SET/COAST SIG RESUME/ACCEL SIG DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL SYSTEM EXTERIOR LIGHT SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK (LEFT SIDE OF DASH, LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE M/T A/T M/T A/T (I/P HARN, LEFT REAR OF ENGINE COMPT) OFF (OR ON (OR PNK) WIRE ORG/ WIRE PPL PPL SHIFT INTER- LOCK SYSTEM PPL/WHT WIRE STOP/HAZ FUSE 1 STOPLAMP SWITCH (TOP OF BRAKE PEDAL) VCM SIGNAL SPEED SENSOR INPUT VEHICLE CONTROL MODULE (VCM) (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (LEFT SIDE OF TRANSMISSION) VSS HIGH VSS LOW WHT WIRE

BLK WIRE BRN WIRE GAUGES FUSE 4 GRY WIRE HEADLAMP AMBIENT SENSOR SENSOR (MIRROR (WINDSHIELD SIDE) SIDE) HEADLIGHT CONTROL MODULE SIGNAL HEADLIGHTS SYSTEM (LUXURY) HOT IN RUN OR START I/P FUSE BLOCK (UNDER LEFT SIDE OF DASH) INSIDE AUTOMATIC DAY-NIGHT MIRROR LEFT OUTSIDE AUTOMATIC DAY-NIGHT MIRROR (LUXURY) LT GRN WIRE M/T A/T MIRROR INPUT MIRRORS SWITCH NCA WIRE OFF C/M PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RIGHT OUTSIDE AUTOMATIC DAY-NIGHT MIRROR (LUXURY) T/M TEMPERATURE SENSOR (BEHIND CENTER GRILLE) TURN B/U FUSE 16 YEL/BLK WIRE

A/T M/T AIR BAG FUSE 10 BODY CONTROL MODULE BODY REAR RADIO CONTROL STEREO MODULE CONTROLLER BRN WIRE CLUTCH PEDAL PARK/NEUTRAL POSITION POSITION SWITCH SWITCH COLUMN HARN BREAKOUT) PNK WIRE CONVENIENCE CENTER CRANK FUSE 8 DAYTIME RUNNING LAMPS MODULE DK BLU WIRE ELECTROCHROMIC REARVIEW MIRROR W/ COMPASS FROM CONVENIENCE CENTER BREAKOUT) FROM IGNITION SWITCH (DIAGRAM 3 OF 5) FROM UNDERHOOD FUSE BLOCK GAS DIESEL GAUGES FUSE 4 HEADLAMP, PANEL DIMMER SWITCH I/P FUSE BLOCK IGN A FUSE 6 IGN B FUSE 5 IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE SWITCH (PICKUP) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INTERIOR LAMP CONTROL MODULE OR REMOTE CONTROL DOOR LOCK RECEIVER LOCK OFF LUXURY LUXURY ONLY M/T M/T A/T ORG/ WIRE OTHERS PNK WIRE POWER WINDOW MASTER SWITCH PPL PWR WDO CIRCUIT BREAKER RADIO BATT FUSE 17 REAR WINDOW LOCKOUT SWITCH (4-DR) RED WIRE RR WIPER FUSE 23 TRANS FUSE 20 WIPER FUSE 11 RUN WIRE STARTER RELAY TO UNDERHOOD FUSE BLOCK (DIAGRAM 4 OF 5) PNK WIRE TO UNDERHOOD FUSE BLOCK (DIAGRAM 5 OF 5) TRANSFER CASE SELECT SWITCH TURN B/U FUSE 16 UNDERHOOD FUSE BLOCK VEHICLE RIGHT FRONT INTERFACE POWER UNIT WINDOW SWITCH (2 DR, UTILITY) VEHICLE SPEED SENSOR BUFFER (DIESEL) W/O RKE W/ RKE WHT WIRE WINDSHIELD WIPER INSTRUMENT MOTOR CLUSTER MODULE YEL WIRE

A/T M/T AIR BAG FUSE 10 BODY CONTROL MODULE BODY REAR CONTROL STEREO MODULE CONTROLLER BRN WIRE CLUTCH PEDAL PARK/NEUTRAL POSITION POSITION SWITCH SWITCH COLUMN HARN BREAKOUT) PNK WIRE CONVENIENCE CENTER CRANK FUSE 8 DAYTIME RUNNING LAMPS MODULE DK BLU WIRE ELECTROCHROMIC REARVIEW MIRROR W/ COMPASS FROM CONVENIENCE CENTER BREAKOUT) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE-RELAY CENTER GAS DIESEL GAUGES FUSE 4 HEADLAMP, PANEL DIMMER SWITCH I/P FUSE BLOCK IGN A FUSE 6 IGN B FUSE 5 IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE SWITCH (PICKUP) INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE INTERIOR LAMP CONTROL MODULE OR REMOTE CONTROL DOOR LOCK RECEIVER LOCK OFF M/T M/T A/T ORG/ WIRE OTHERS PNK WIRE POWER WINDOW MASTER SWITCH PPL PWR WDO CIRCUIT BREAKER RADIO RADIO FUSE 17 REAR WINDOW LOCKOUT SWITCH (4-DR) RED WIRE RR WIPER FUSE 23 TRANS FUSE 20 WIPER FUSE 11 RUN WIRE STARTER RELAY TO SEATS FUSE (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 4 OF 6) PNK WIRE TRANSFER CASE SELECT SWITCH TURN B/U FUSE 16 UNDERHOOD FUSE-RELAY CENTER UPPER LEVEL UPPER LEVEL (FLOOR CONSOLE HARN, 33 CM HEATED SEAT SWITCH BREAKOUT) VEHICLE RIGHT FRONT INTERFACE POWER UNIT WINDOW SWITCH (2 DR, UTILITY) VEHICLE SPEED SENSOR BUFFER (DIESEL) W/O RKE W/ RKE WHT WIRE WINDSHIELD WIPER INSTRUMENT MOTOR CLUSTER MODULE YEL WIRE