Buick·Cascada·2019 Buick Cascada·Wiring
Wiring diagram

2019 Buick Cascada — power distribution

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Power distribution

86 30 30 F 40A 5A 30 E C D 100A 7.5A A 30A 10A 30 30A 30A 100A 80A 80A 100A 80A 100A 275A 10A 30A 250A 60A 25A 7.5A 20A 10A 20A BATTERY POWER STEERING CONTROL MODULE STARTER MOTOR GENERATOR UNDERHOOD FUSE BLOCK BRAKE BOOSTER PUMP MOTOR RELAY ELECTRONIC BRAKE CONTROL MODULE CHASSIS CONTROL MODULE RAIN/AMBIENT LIGHT SENSOR MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE WINDSHIELD FRONT VIEW CAMERA OUTSIDE REAR VIEW MIRROR SWITCH DRIVER WINDOW SWITCH PARK BRAKE CONTROL MODULE AUXILIARY COOLANT PUMP RELAY REAR DEFOGGER RELAY WINDSHIELD WASHER PUMP RELAY REAR WINDOW WASHER PUMP RELAY HEADLAMP HIGH BEAM RELAY FRONT FOG LAMP RELAY STARTER RELAY HORN RELAY CONTROL SOLENOID VALVE ASSEMBLY HEADLAMP CONTROL MODULE WINDSHIELD WIPER MOTOR AUTOMATIC TRANSMISSION ASSEMBLY 41 1 X210 9 1 5 X4 3 1 X2 50 X2 76 X1 2 4 X1 X2 X3 X4 X6 X5 X6 1 29 1 X7 X8 1 X2 3 X1 5 1 X500 7 4 1 X350 M 2 X1 31 25 1 4 7 6 8 77 X3 37 30 1 A RED RED BLU RED/ WHT RED/ VIO RED/ BRN RED/ RED/ BRN RED/ BLU RED/ GRY RED/ GRY RED/BRN RED/BRN VIO RED/ NCA BRN RED/ BRN RED/ BRN RED/ VIO RED/ VIO RED/ RED/ BRN RED/ BRN GRY RED/ VIO RED/ BLU RED/ RED RED BLU RED/ YEL RED/ RED/ BRN BLU RED/ RED/ VIO RED/ VIO GRN RED/ VIO RED/ BRN RED/ WHT RED/ BLU RED/ (NOT USED) (W/ TUNNEL DETECTION) (IF EQUIPPED) BATTERY FUSE BLOCK FUSE 3 FUSE 6 FUSE 2 FUSE 1 FUSE 4 FUSE 5 FUSE 30 FUSE 4 FUSE 37 FUSE 38 FUSE 29 FUSE 39 FUSE 35 FUSE 13 FUSE 1 FUSE 28 FUSE 3 FUSE 16 FUSE 40 FUSE 34 FUSE 21 FUSE 43 FUSE 12 FUSE 17 (ON BATTERY) (LEFT SIDE OF ENGINE COMPT) (BODY HARNESS, NEAR BOTTOM OF LEFT FRONT DOOR OPENING) (HEADLINER HARNESS, IN RAIN SENSOR BREAKOUT) (DRIVER DOOR HARNESS, IN DRIVER'S DOOR) J250 J506 J338 TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 6) TO REAR BODY FUSE BLOCK (DIAGRAM 6 OF 6) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 6) TO FUSE 19 (DIAGRAM 2 OF 6) TO REAR BODY FUSE BLOCK (DIAGRAM 6 OF 6)
30 86 86 30 7.5A 60A 30 30 B 10A 40A 10A 30A 30A 5A A UNDERHOOD FUSE BLOCK COOLING FAN MEDIUM SPEED RELAY A/C COMPRESSOR CLUTCH RELAY LIFTGATE UNLATCH RELAY COOLING FAN LOW SPEED RELAY RIGHT REAR WINDOW MOTOR LEFT REAR WINDOW MOTOR DRIVER WINDOW MOTOR PASSENGER WINDOW MOTOR ENGINE CONTROL IGNITION RELAY HEADLAMP RELAY BODY CONTROL MODULE ENGINE CONTROL MODULE X2 64 68 X3 X2 15 75 X1 15 27 X4 20 X2 74 10 X380 2 10 X370 2 49 X2 2 X600 1 X500 1 2 X1 59 4 65 5 48 RED/WHT RED/YEL RED/YEL RED/BLU RED/BLU BRN RED/ YEL RED/ RED/WHT RED/WHT RED/WHT RED/WHT RED/ YEL RED/ YEL YEL RED/ YEL RED/ BRN RED/ RED/ BRN RED/ BRN RED/ BRN RED/WHT FUSE 42 FUSE 36 FUSE 19 FUSE 20 FUSE 11 FUSE 48 FUSE 10 FUSE 15 (LEFT SIDE OF ENGINE COMPT) (BODY HARNESS, NEAR BOTTOM OF LEFT FRONT DOOR OPENING) (BODY HARNESS, BELOW LEFT SIDE OF INSTRUMENT PANEL) J113 J117 FROM FUSE 12 (DIAGRAM 1 OF 6) TO IGNITION MAIN RELAY (DIAGRAM 3 OF 6)
H 15A 10A B 7.5A 5A 5A 10A N/A 87A 86 85 87 30 UNDERHOOD FUSE BLOCK INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE HEADLAMP CONTROL MODULE CHASSIS CONTROL MODULE INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER HVAC CONTROL MODULE RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT HEADLAMP CONTROL MODULE LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT HEADLAMP CONTROL MODULE LOGIC LOGIC CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY LEFT HEADLAMP ASSEMBLY RIGHT HEADLAMP ASSEMBLY ENGINE CONTROL MODULE 17 15 2 X2 X120 6 X110 6 16 X1 15 11 X210 2 X1 12 X1 X1 X3 14 68 X200 X1 17 13 8 27 X2 X200 70 31 9 28 X2 21 X2 20 1 71 X1 20 48 VIO/GRY VIO/GRY VIO/GRY VIO/GRY BRN/YEL BRN/YEL BRN/YEL BLK BLK BLK BLK BLK BLK BLK BRN/YEL BLK VIO/GRN VIO/GRN VIO/GRY VIO/GRY VIO/GRN VIO/GRY VIO/GRY VIO/GRY VIO/GRN VIO/GRN VIO/GRN VIO/GRN VIO VIO/GRN VIO/GRN GRN/ BLK (NOT USED) (NOT USED) (NOT USED) IGNITION MAIN RELAY FUSE 51 FUSE 32 FUSE 54 FUSE 33 FUSE 50 FUSE 5 FUSE 53 (LEFT SIDE OF ENGINE COMPT) (BODY HARNESS, BELOW LEFT SIDE OF INSTRUMENT PANEL) (BODY HARNESS, BELOW LEFT SIDE OF INSTRUMENT PANEL) (LEFT FRONT OF ENGINE COMPT) (INSTRUMENT PANEL HARNESS, 17 CM FROM BRAKE PEDAL POSITION SENSOR BREAKOUT) (ENGINE HARNESS, 9 CM FROM MANIFOLD ABSOLUTE PRESSURE SENSOR BREAKOUT) J116 J211 J200 J104 J138 J134 G101 FROM FUSE 10 (DIAGRAM 2 OF 6) FROM SPLICE J308 (DIAGRAM 5 OF 6)
N/A N/A 25A 7.5A J G D C 10A 5A 7.5A 10A 10A 10A 5A 40A 15A 10A 30A 10A 20A 5A 10A 20A 20A 20A 30A 25A 20A INSTRUMENT PANEL FUSE BLOCK DATA LINK CONNECTOR BODY CONTROL MODULE PASSENGER SEAT ADJUSTER SWITCH DRIVER SEAT ADJUSTER SWITCH HVAC CONTROLS BLOWER MOTOR CONTROL MODULE HVAC CONTROL MODULE PASSENGER PRESENCE MODULE INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE INFO DISPLAY MODULE MEMORY CARD RECEPTACLE RADIO CONTROLS RADIO INSTRUMENT CLUSTER TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE 46 47 E X315 1 92 38 28 27 X1 1 X1 32 14 X300 X1 X1 90 49 X200 89 X200 48 19 15 9 25 42 16 20 1 1 3 45 44 38 X315 X200 8 X1 X310 1 X200 93 X200 100 94 4 X5 3 40 21 43 15 17 16 22 18 A C X300 13 13 11 29 23 30 24 14 32 41 36 37 39 35 26 34 33 A C X1 44 X2 1 1 6 X2 3 4 X1 4 2 E 1 1 RED/ YEL RED/ YEL RED/ YEL RED/ YEL RED/ BRN RED/ RED/ RED/ BRN GRN VIO RED/ RED/ YEL BLU RED/ GRN RED/ VIO RED/ VIO YEL RED/ BLU RED/ BLK BLK RED/ BRN BLU RED/ BLU RED/ BRN RED/ RED/ GRN RED/ BLU RED/ BLU RED/ BLU RED/ YEL RED/BLU RED/ BLU VIO RED/BLU RED/ BLU RED/ BRN VIO RED/ GRN RED/ RED/ GRN RED/ YEL RED/ GRN GRN RED/ RED/ VIO WHT RED/ GRY RED/ GRY RED/ WHT RED/ VIO RED/ YEL RED/ YEL RED/ YEL RED/ VIO VIO BLK VIO VIO RED/ VIO RED/ RED/ VIO BLK BLK BLK RED/ GRN RED/ GRN BLU RED/ RED/ VIO VIO RED/ BRN RED/ BLU RED/ GRN RED/ (NOT USED) FUSE 20 FUSE 26 FUSE 3 CIRCUIT BREAKER 12 FUSE 11 FUSE 25 FUSE 24 FUSE 21 FUSE 2 CIRCUIT BREAKER 13 FUSE 14 FUSE 9 FUSE 8 FUSE 10 FUSE 17 FUSE 23 FUSE 19 RETAINED ACCESSORY POWER RELAY FUSE 4 FUSE 15 FUSE 22 FUSE 1 FUSE 18 FUSE 5 FUSE 7 FUSE 6 CENTER CONSOLE ACCESSORY POWER RECEPTACLE INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE (LOWER LEFT END OF DASH) (INSTRUMENT PANEL HARNESS, 9 CM FROM BODY CONTROL MODULE BREAKOUT) (INSTRUMENT PANEL HARNESS, 3 CM FROM DATA LINK CONNECTOR BREAKOUT) (INSTRUMENT PANEL HARNESS, IN DATA LINK CONNECTOR BREAKOUT) (UPPER LEFT CENTER OF DASH) (INSTRUMENT PANEL HARNESS, 5 CM FROM INSTRUMENT CLUSTER BREAKOUT) (UNDER CENTER CONSOLE) J214 J230 J231 J228 J227 J203 G203 G305 FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 6) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 6) FROM SPLICE J232 (DIAGRAM 5 OF 6) TO IGNITION SWITCH (DIAGRAM 5 OF 6)
OFF/RUN/CRANK ACCESSORY IGNITION VOLT ACCESSORY WAKEUP SERIAL DATA RETAINED ACCESSORY RUN/CRANK IGNITION 1 VOLT IGNITION VOLT K H RUN IGNITION 3 VOLT L RUN ACC OFF START ACC RUN START ACC RUN START OFF G ACC RUN START RUN ACC START OFF OFF OFF IGNITION KEY RESISTOR SIG POWER FUSE CTRL IGNITION VOLT J BODY CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY ENGINE CONTROL MODULE TRANSMISSION SHIFT LEVER POSITION INDICATOR TRANSMISSION SHIFT LEVER 6 X3 15 14 X5 2 1 3 11 X115 4 22 15 6 X200 97 5 22 12 X4 X1 13 13 X1 1 1 VIO/BLK GRN/VIO VIO/BRN WHT/BLK GRN/VIO GRN/VIO RED/VIO VIO/BLK VIO/YEL VIO/YEL WHT/VIO WHT/BLK WHT/VIO VIO VIO/YEL VIO VIO/YEL VIO/YEL VIO/YEL VIO VIO VIO IGNITION SWITCH KEY IN IGNITION SWITCH (BODY HARNESS, NEAR BOTTOM OF LEFT REAR DOOR OPENING) (INSTRUMENT PANEL HARNESS, 3 CM FROM G201 BREAKOUT) J308 J102 J232 FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 6) TO REAR BODY FUSE BLOCK (DIAGRAM 6 OF 6) TO UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 6) TO REAR BODY FUSE BLOCK (DIAGRAM 6 OF 6) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 6)
85 30 86 87 5A F 30A 10A 5A 5A 10A 30 87 25A 25A 86 85 7.5A 5A 25A 5A 5A L 86 85 87 30 E 40A 7.5A 25A 30A 25A K 15A 25A 7.5A REAR BODY FUSE BLOCK STEERING WHEEL AIR BAG COIL SEAT HEATING CONTROL MODULE FOLDING TOP PUMP MOTOR RELAY 1 FOLDING TOP PUMP MOTOR RELAY 2 FOLDING TOP PUMP MOTOR ASSEMBLY REAR VIEW CAMERA STEERING WHEEL HEATING CONTROL MODULE LEFT REAR FOLDING SEAT CONTROL SWITCH FOLDING TOP CONTROL MODULE RIGHT REAR FOLDING SEAT CONTROL SWITCH FOLDING TOP CONTROL MODULE PASSENGER SEAT LUMBAR SUPPORT SWITCH DRIVER SEAT LUMBAR SUPPORT SWITCH FOLDING TOP CONTROL MODULE PARKING ASSIST CONTROL MODULE FOLDING TOP CONTROL MODULE X4 1 X2 1 X4 X1 X2 9 10 2 7 36 X1 27 11 X4 1 X1 10 X315 10 G G X310 X2 20 18 18 X3 1 X4 X414 18 1 X7 21 X4 10 11 14 X414 X402 4 6 X1 33 12 17 11 X2 X4 2 X1 1 30 12 29 18 8 20 87 10 X432 X310 2 35 5 X3 19 X414 1 2 2 X1 B X7 3 5 5 X3 X200 GRY RED/ VIO RED/ RED/ GRY VIO RED/ VIO/WHT BRN BLK RED/VIO RED/ GRN GRN RED/ RED/ GRY GRY GRY RED/ RED/ RED/GRY RED/GRY RED/ VIO RED/ GRY VIO/WHT VIO/GRN VIO/GRN PNK PNK PNK VIO GRN/ BLK RED/ VIO VIO/ BRN BRN RED/ BRN VIO/ VIO/ BRN RED RED/ GRY RED RED/ GRY RED/ GRY RED/ VIO RED/ VIO VIO/ BRN RED RED RED (NOT USED) (NOT USED) (NOT USED) 2018 ONLY (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) IGNITION RUN RELAY IGNITION MAIN RELAY FUSE 20 FUSE 15 FUSE 19 FUSE 21 FUSE 27 FUSE 29 FUSE 14 FUSE 12 FUSE 11 FUSE 16 FUSE 26 REDUCTANT CONTROL MODULE RELAY 2 REDUCTANT CONTROL MODULE RELAY 1 FUSE 25 FUSE 1 FUSE 3 FUSE 8 FUSE 23 FUSE 32 FUSE 7 FUSE 24 FUSE 10 FUSE 9 (LEFT SIDE OF LUGGAGE COMPT) (BEHIND LEFT REAR SEAT) (TOP OF STEERING COLUMN) (BODY HARNESS, ON FLOOR BETWEEN FRONT SEATS) J317 J429 J496 J403 G401 FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 6) FROM SPLICE J308 (DIAGRAM 5 OF 6) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 6) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 6)