Ram·1500·2018 Ram 1500 — 5.7L·Wiring
Wiring diagram

2018 Ram 1500 — 5.7L — power distribution

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Power distribution

1 2 2 1 1 2 1 2 2 A 30 30A 40A 40A 30A 40A 80A 40A 30 60A 225A 250A 125A 20A 10A 5A 15A 10A 25A 10A C 30A 30A 20A 30A POWER DISTRIBUTION CENTER ASSEMBLY RADIATOR FAN HIGH RELAY RADIATOR FAN LOW RELAY GENERATOR EPS MODULE RADIATOR FAN RADIATOR FAN ANTI-LOCK BRAKES MODULE TRAILER TOW MODULE BODY CONTROL MODULE BATTERY STARTER FLEET TELEMATICS MODULE RADIO DRIVER DOOR MODULE INTELLIGENT BATTERY SENSOR UNDERHOOD LAMP SECURITY GATEWAY MODULE CLUSTER COMPASS MODULE RADIO AMPLIFIER DRIVETRAIN CONTROL MODULE ANTI-LOCK BRAKES MODULE POWERTRAIN CONTROL MODULE EXTERNAL DISC MODULE MEDIA PORT C2 5 3 I365 6 I393A 5 5 I310 2 1 2 1 3 22 C7 C5 21 C6 C2 1 1 C3 C6 1 I315 3 C2 1 3 4 1 C3 1 3 C1 C2 C1 C2 1 1 16 I200 7 I310 28 C7 11 C5 19 25 32 C5 13 C3 4 I315 40 I310 8 I230 1 I350A 44 C1 C5 3 C3 5 26 C3 2 7 I365 1 I370 1 1 C1 12 5 1 2 10 2 C1 1 4 5 C3 32 96 C1 C C2 I230 I600 I310 20 I290 I200 17 RED RED RED RED RED RED RED RED RED RED RED TAN/RED RED RED RED RED RED RED RED RED RED RED RED RED RED TAN/RED RED RED RED RED (OR BLK) (OR RED/GRY) RED (OR BLK) RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED YEL/RED RED RED RED/DK GRN RED RED RED RED RED RED RED RED YEL/RED RED RED RED/DK GRN RED FUSE 3 BATTERY FUSE TERMINAL FUSE 1 FUSE 11 FUSE 10 FUSE 12 FUSE 6 FUSE 14 FUSE 23 FUSE 2 FUSE 1 FUSE HOLDER RADIO FUSE FUSE 71 FUSE 21 FUSE 24 FUSE 26 FUSE 22 FUSE 67 FUSE 52 FUSE 60 FUSE 80 FUSE 49 (LEFT FRONT OF ENGINE COMPT) (EXCEPT FLOOR CONSOLE: BEHIND CENTER OF REAR BUMPER, IN TRAILER TOW HARNESS) (FLOOR CONSOLE: IN CONSOLE HARNESS) (5.7L) (5.7L) (3.0L TURBO DIESEL) (3.6L) 3.6L & 5.7L 3.0L TURBO DIESEL W/ EXTERNAL DISC PREMIUM (W/O U-HAUL) (W/O U-HAUL) (3.6L & 5.7L) (IF EQUIPPED) SA933 (FLOOR CONSOLE) S6A (EXCEPT FLOOR CONSOLE) S02A SA937 TO AUXILIARY POWER DISTRIBUTION CENTER (DIAGRAM 6 OF 6) TO FUSE 82 (DIAGRAM 2 OF 6)
86 30 87 85 85 30 87 86 20A 20A 30 B (+) FUSED GND 25A 10A 10A C 30 20A 30 10A 15A 85 30 10A D K 85 10A 25A POWER DISTRIBUTION CENTER ASSEMBLY SCR RELAY 2 SCR RELAY 1 POWERTRAIN MODULE RELAY RIGHT TRAILER TOW RELAY STEERING CONTROL MODULE TRANSFER CASE SWITCH TRANSMISSION CONTROL MODULE ELECTRONIC SHIFT MODULE UPPER BANK SWITCH INTEGRATED CENTER STACK SWITCH BANK MODULE A/C HEATER MODULE BLOWER MOTOR RELAY BODY CONTROL MODULE OCCUPANT RESTRAINT CONTROLLER MODULE LEFT REAR HEATED SEAT SWITCH RIGHT REAR HEATED SEAT SWITCH HEATED SEATS MODULE PARK ASSIST MODULE REAR VIDEO CAMERA 19 10 I240 I222 1 I250 16 4 I310 13 3 1 7 C3 C6 26 13 C7 3 I220 15 17 12 7 I400A I410A 6 I550 F I551A 3 1 C1 1 1 C3 C4 2 6 11 I315 17 26 16 1 4 1 8 1 C3 2 C1 C7 36 32 19 15 C6 8 I310 39 12 C7 C1 5 20 C1 36 C5 RED YEL/ RED YEL/ YEL/ RED RED/GRN RED YEL/ RED/GRN BLK BRN/RED PNK/YEL PNK/YEL PNK/YEL PNK/YEL PNK/YEL PNK/ YEL RED PNK/YEL PNK/YEL PNK/YEL PNK/YEL PNK/YEL PNK/YEL PNK/ YEL BRN/RED BRN/RED RED RED RED RED RED RED RED RED RED BRN/RED PNK/YEL PNK/YEL PNK/YEL BRN/ORG PNK/YEL PNK/YEL BRN/ORG PNK/YEL PNK/YEL FUSE 19 FUSE 57 FUSE 104 FUSE 94 FUSE 84 FUSE 82 INSTRUMENT PANEL POWER OUTLET RUN RELAY 1 RUN RELAY 2 FUSE 96 FUSE 95 FUSE 98 FUSE 97 FUSE 85 (LEFT FRONT OF ENGINE COMPT) (LEFT END OF DASH, IN INSTRUMENT PANEL HARNESS) (LEFT CENTER OF DASH, IN INSTRUMENT PANEL HARNESS) (CENTER OF DASH, IN INSTRUMENT PANEL HARNESS) (LEFT END OF DASH) (LEFT REAR OF ENGINE COMPT, IN BODY HARNESS) (IN DRIVER SEAT CUSHION HARNESS) (UNDER DRIVER'S SEAT, IN CONSOLE HARNESS) (3.0L TURBO DIESEL) (3.0L TURBO DIESEL) (5.7L & 3.6L) 3.0L TURBO DIESEL 3.0L TURBO DIESEL 3.0L TURBO DIESEL W/ PARK ASSIST S4A S2103A G211 FROM FUSE 21 (DIAGRAM 1 OF 6) TO FUSE 55 (DIAGRAM 3 OF 6) TO RUN/ ACCESSORY RELAY 1 (DIAGRAM 3 OF 6)
2 1 4 3 5 4 3 2 1 86 85 87 30 85 86 87 30 E 25A 30 20A 30A 25A D 25A 85 30 H 20A 20A 20A GND SW O/P (RUN-ACC) FUSED IGN SW O/P GND FUSED IGN FSD IGN GND (RUN-ACC) SW O/P (RUN-ACC) K B 25A 10A POWER DISTRIBUTION CENTER ASSEMBLY AUTO SHUT DOWN RELAY A/C CLUTCH RELAY AIR SUSPENSION CONTROL MODULE MEMORY SEAT MODULE DRIVER LUMBAR SEAT ADJUSTER SWITCH PASSENGER DOOR MODULE DRIVER SEAT SWITCH PASSENGER LUMBAR SEAT ADJUSTER SWITCH PASSENGER SEAT SWITCH RIGHT SPOT LAMP LEFT SPOT LAMP INSIDE REAR VIEW MIRROR POWER SLIDING BACKLITE SWITCH DRIVER WINDOW/DOOR LOCK SWITCH SUNROOF MODULE PASSENGER WINDOW/DOOR LOCK SWITCH BODY CONTROL MODULE RAIN LIGHT SENSOR MODULE 2 2 C5 26 I650 1 40 1 I400A 28 C3 C1 5 8 6 1 C2 47 6 2 C6 14 I420A 38 C5 9 I310 1 1 1 9 C7 5 10 I410A 24 6 C7 25 C6 I410A 3 43 I310 7 I410A 1 3 1 3 9 C5 6 1 1 13 12 C1 19 9 C5 I310 2 I340 2 I440 23 2 I3853A 7 5 2 1 I440 2 1 I610 3 4 2 I650 RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED BLK BLU/PNK PNK/YEL PNK/YEL BLU/PNK PNK/YEL GRN/GRY GRN/BLU BLK BLK BLK BLK BLU/PNK BLK BLK BLK BLU/PNK BLK PNK/YEL GRN/GRY GRN/BLU PNK/YEL BLU/PNK BLU/PNK BLK YEL PNK/ PNK/YEL PNK/YEL PNK/YEL PNK/YEL PNK/YEL WHT PNK/YEL PNK/YEL PNK/YEL PNK/YEL PNK/YEL WHT PNK/YEL PNK/YEL PASSENGER POWER SEAT CIRCUIT BREAKER 3 FUSE 50 FUSE 55 FUSE 20 DRIVER POWER SEAT CIRCUIT BREAKER 2 RUN/ACCESSORY RELAY 1 RUN/ACCESSORY RELAY 2 FUSE 39 FUSE 90 FUSE 93 POWER WINDOW CIRCUIT BREAKER 1 FUSE 66 POWER OUTLET REAR CONSOLE POWER OUTLET CIGAR LIGHTER CIGAR LIGHTER (LEFT FRONT OF ENGINE COMPT) (IN DRIVER SEAT CUSHION HARNESS) (IN PASSENGER SEAT CUSHION HARNESS) (LEFT SIDE OF DASH, IN INSTRUMENT PANEL HARNESS) (LOWER LEFT REAR OF ENGINE COMPT, IN BODY HARNESS) (LEFT KICK PANEL, IN BODY HARNESS) (LEFT SIDE OF ENGINE COMPT) (LEFT KICK PANEL, IN BODY HARNESS) (RIGHT FRONT OF ROOF, IN INTERIOR MIRROR HARNESS) (LEFT END OF DASH) (UNDER CENTER CONSOLE) (UNDER CENTER CONSOLE) W/O NAVIGATION W/ NAVIGATION EXCEPT CENTER CONSOLE CENTER CONSOLE EXCEPT REAR CONSOLE REAR CONSOLE 6 BASE 7 PREMIUM 8 7 8 7 8 6 5 PREMIUM PREMIUM EXCEPT REAR CONSOLE W/ RAIN SENSOR (EXCEPT REAR CONSOLE) (REAR CONSOLE) S2102A S2202A S2A S2A G104 G211 G210 G210 TO FUSE 25 (DIAGRAM 4 OF 6) FROM RUN RELAY 1 (DIAGRAM 2 OF 6) FROM RUN RELAY 1 (DIAGRAM 2 OF 6) FROM AUXILIARY 4 RELAY (DIAGRAM 6 OF 6) FROM RUN/ START RELAY (DIAGRAM 5 OF 6)
IND DRVR 30 E 85 30 30 30 85 30 30 87 30A 30 30 F 10A 30A 30A 30A 30 85 30 40A 30 10A 30A 10A GND 110V AC LINE 1 FUSED B (+) 110V AC LINE 3 110V AC LINE 1 INVERTER SW SIG 110V AC LINE 2 110V AC LINE 2 110V AC LINE 3 GND K LINE IGN SW SIG FUSED B (+) POWER DISTRIBUTION CENTER ASSEMBLY REAR WINDOW DEFOGGER RELAY VACUUM PUMP RELAY ADJUSTABLE PEDALS RELAY TRAILER TOW BACKUP LAMP RELAY AIR SUSPENSION RELAY WIPER ON/OFF RELAY HORN RELAY BLOWER MOTOR RELAY STARTER SOLENOID 2 RELAY LEFT TRAILER TOW RELAY TRAILER TOW PARK LAMP RELAY FUEL HEATER RELAY 2 DATA LINK CONNECTOR 7-WAY TRAILER TOW WIRING GRILLE SHUTTER ACTUATOR BODY CONTROL MODULE RADIO FREQUENCY HUB MODULE SECURITY GATEWAY MODULE CLUSTER SUNROOF MODULE VEHICLE SYSTEM INTERFACE MODULE 23 C2 5 8 6 7 5 3 1 2 4 6 5 3 4 C6 38 11 16 17 15 19 17 C1 9 3 14 I450 I420A 4 I320 3 I310 30 1 I325 2 1 35 C6 8 I320 3 1 1 C1 C1 I3853A 38 C7 11 I220 30 C5 E 27 24 16 I315 22 32 35 I310 2 1 3 4 6 5 8 9 10 10 20 I310 GRN/WHT RED RED BLK/WHT GRN GRN/BLU GRN/ORG RED/GRN GRN BLK RED/GRN GRN GRN/BLU RED/GRN GRN/ORG RED/DK GRN RED RED RED RED GRN/ORG GRN GRN/BLU RED RED/DK GRN GRN/ORG GRN/BLU GRN/BLU GRN/BLU RED/DK GRN RED GRN/BLU RED RED RED RED RED RED RED RED VIO/BRN WHT/GRN RED RED VIO/BRN BLK WHT/GRN RED BLK VIO/BRN WHT/GRN RED FUSE 7 FUSE 25 FUSE 38 FUSE 41 FUSE 35 FUSE 34 FUSE 30 FUSE 44 FUSE 51 INVERTER MODULE AC POWER OUTLET KEYLESS IGNITION NODE MODULE (LEFT FRONT OF ENGINE COMPT) (UNDER CENTER CONSOLE) (LEFT SIDE OF ENGINE COMPT, IN BODY HARNESS) (LEFT KICK PANEL, IN BODY HARNESS) (UNDER PASSENGER'S SEAT) (LEFT END OF DASH, IN INSTRUMENT PANEL HARNESS) (LEFT SIDE OF DASH) (NEAR IGNITION KEY SWITCH) (3.0L TURBO DIESEL) (NOT USED) (3.6L & 5.7L) (W/ U-HAUL) (W/ U-HAUL) S2201A SPA991 SA937 G210 G212 P806 Z909 P805 P801 P802 A401 G20 Z911 D122 A910 FROM FUSE 50 (DIAGRAM 3 OF 6) TO RUN/START RELAY (DIAGRAM 5 OF 6)
3 4 2 1 3 4 4 3 2 2 1 5 5 85 30 87 86 F J 85 30 10A 10A 85 85 B 10A 85 85 85 G 10A 10A 10A 10A 10A 86 86 85 POWER DISTRIBUTION CENTER ASSEMBLY FUEL PUMP RELAY PTC RELAY 3 PTC RELAY 1 PTC RELAY 2 EPS MODULE POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE AIR SUSPENSION CONTROL MODULE OCCUPANT RESTRAINT CONTROLLER MODULE TRAILER TOW MODULE BODY CONTROL MODULE EPS MODULE STEERING CONTROL MODULE AUXILIARY POWER DISTRIBUTION CENTER FUEL HEATER RELAY 2 RADIATOR FAN HIGH RELAY RADIATOR FAN LOW RELAY VACUUM PUMP RELAY A/C CLUTCH RELAY THREE WAY COOLANT VALVE A/C HEATER MODULE DRIVETRAIN CONTROL MODULE FRONT AXLE DISCONNECT MODULE THREE WAY COOLANT VALVE CLUSTER ANTI-LOCK BRAKES MODULE IN-CAR TEMPERATURE SENSOR SECURITY GATEWAY MODULE HUMIDITY SENSOR 14 C6 9 13 10 1 23 36 10 5 10 I280 1 18 2 B1 B5 I310 C3 28 5 I255 22 I235 I280 54 C1 A8 23 C1 C1 1 2 C7 8 C6 36 7 31 I310 2 C3 32 34 16 I230 I230 17 I365 13 1 I340 3 C1 7 2 20 8 I260 8 1 C1 4 3 10 I260 3 1 30 C1 C2 C3 C3 C1 C1 PNK/GRN PNK/GRN PNK/GRN PNK/GRN BRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN BRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN GRN PNK/ PNK/GRN GRN PNK/ PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN GRN GRN PNK/ GRN GRN PNK/ PNK/ PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/ GRN PNK/GRN PNK/ GRN PNK/ GRN PNK/GRN GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/ GRN PNK/ PNK/ PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN PNK/GRN RUN/START RELAY FUSE 87 FUSE 86 FUSE 78 FUSE 75 FUSE 77 FUSE 88 FUSE 99 FUSE 76 (LEFT FRONT OF ENGINE COMPT) (FRONT OF ENGINE COMPT, IN BATTERY HARNESS) (LEFT SIDE OF ENGINE COMPT, IN ENGINE HARNESS) (LEFT REAR OF ENGINE COMPT, IN BODY HARNESS) (LEFT SIDE OF ENGINE COMPT, IN RIGHT DASH HARNESS) (LEFT REAR CORNER OF ENGINE COMPT) (FRONT OF LEFT FENDER, IN BODY HARNESS) (RIGHT END OF DASH, IN RIGHT DASH HARNESS) (LEFT CENTER OF DASH, IN INSTRUMENT PANEL HARNESS) (LOWER RIGHT SIDE OF ENGINE COMPT, IN AXLE DISCONNECT JUMPER HARNESS) (RIGHT REAR OF ENGINE COMPT, IN RIGHT DASH HARNESS) (3.6L & 5.7L) (3.6L & 5.7L) (3.0L TURBO DIESEL) (3.0L TURBO DIESEL) (3.0L TURBO DIESEL) (3.0L TURBO DIESEL) (5.7L) (5.7L) (EXCEPT 3.6L) 3.6L & 5.7L 3.0L TURBO DIESEL BASE PREMIUM 3.0L TURBO DIESEL 4WD (3.6L) (3.6L & 5.7L) SP1302 SP1705 (3.0L TURBO DIESEL) TO FUSE 31 (DIAGRAM 6 OF 6) FROM FUSE 38 (DIAGRAM 4 OF 6) TO RUN/ ACCESSORY RELAY 1 (DIAGRAM 3 OF 6) TO AUXILIARY 3 RELAY (DIAGRAM 6 OF 6)
A 85 87 86 30 85 87 86 30 85 86 30 87 85 30 87 86 30 30 50A 50A 30 50A H 40A G 30A 40A 60A 50A J 20A (OR 30A) 20A 20A AUXILIARY POWER DISTRIBUTION CENTER PTC RELAY 1 PTC RELAY 2 PTC RELAY 3 GLOW PLUG MODULE POWER DISTRIBUTION CENTER ASSEMBLY UPPER BANK SWITCH HEATER CONTROL MODULE (3.0L TURBO DIESEL) A9 A7 B6 B12 B2 B9 A12 4 I235 11 C3 31 28 I200 I320 15 1 I9001A C7 42 25 I200 22 8 C7 34 4 3 10 23 I320 4 I23A 40 20 41 3 6 I9001A 5 2 I23A 14 I222 1 I362 14 I335 I320 11 I9001A 13 26 17 12 20 11 19 18 17 15 16 14 C5 35 16 42 14 8 I310 I9001A 8 7 1 I23A 10 11 2 3 12 25 24 23 22 26 RED RED RED RED RED RED RED/GRY RED RED TAN/YEL TAN/YEL TAN/YEL PNK/BLU TAN PNK/DK GRN TAN/BLK PNK/RED TAN PNK/BLU PNK/DK GRN PNK/RED TAN/BLK RED RED RED RED RED RED/WHT RED/GRN RED/WHT PNK/BRN PNK/ORG RED/GRN PNK/VIO PNK/TAN PNK/DK BLU PNK/DK GRN RED/YEL RED/YEL GRN GRN/WHT PNK/WHT GRN PNK/WHT GRN/WHT BRN/WHT BRN/GRY BRN/ORG BRN/VIO TAN/BRN BRN/WHT BRN/GRY BRN/VIO BRN/ORG TAN/BRN FUSE 1 FUSE 2 FUSE 3 FUSE 4 AUXILIARY 4 RELAY AUXILIARY 3 RELAY AUXILIARY 1 RELAY AUXILIARY 2 RELAY FUSE 5 FUSE 37 FUSE 8 FUSE 9 FUSE 32 FUSE 33 FUSE 31 (LEFT REAR CORNER OF ENGINE COMPT) (LEFT FRONT OF ENGINE COMPT) 3.0L TURBO DIESEL UPFITTER ACCESS (BLUNT CUT) UPFITTER ACCESS FROM BATTERY (DIAGRAM 1 OF 6) FROM FUSE 77 (DIAGRAM 5 OF 6) TO RUN/ACCESSORY RELAY 1 (DIAGRAM 3 OF 6) FROM RUN/START RELAY (DIAGRAM 5 OF 6)