2018 Ram 1500 DS Fuse Box Diagram
The 2018 Ram 1500 (DS) has 1 fuse box.
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Power Distribution Center
The last full year of the DS Ram 1500 before the 2019 redesign keeps its fuses in the Power Distribution Center beside the battery on the driver's side of the engine bay. Lift the latched cover; the numbering is on its underside, and a 20 A spare is clipped in position F58.
The 2018 owner's manual prints the same assignments as 2017, including the swapped body-controller cartridges F12 and F14 and the spare at F65. Rear-seat outlet F90/F91 stays customer selectable, cigar lighter F93 and instrument-panel outlets F104 keep their 20 A micro fuses.
| No. | Function | Amp | Description |
|---|---|---|---|
| 1 | 80 AJCASE | Radiator fan control module, if equipped (F01, 80 A cartridge) | |
| 2 | Not listed in the owner's manual for this year (unused or option-only cavity) (F02) | ||
| 3 | 60 AJCASE | Radiator fan, if equipped (F03) | |
| 4 | Not listed in the owner's manual for this year (unused or option-only cavity) (F04) | ||
| 5 | 40 AJCASE | Air suspension compressor, if equipped (F05) | |
| 6 | 40 AJCASE | ABS / electronic stability control pump (F06) | |
| 7 | 40 AJCASE | Starter solenoid (F07) | |
| 8 | 20 AJCASE | Diesel emissions, 1500 EcoDiesel and Cummins, if equipped (F08) | |
| 9 | 40 AJCASE | Diesel fuel heater, Cummins and special-service trucks, if equipped (F09) | |
| 10 | 40 AJCASE | Body controller #2 / exterior lighting; 50 A on trucks with stop/start (F10) | |
| 11 | 30 AJCASE | Integrated trailer brake module, if equipped (F11) | |
| 12 | 40 AJCASE | Body controller #3 / power locks (F12) | |
| 13 | 40 AJCASE | HVAC blower motor (F13) | |
| 14 | 40 AJCASE | Body controller #4 / interior lighting (F14) | |
| 15 | Not listed in the owner's manual for this year (unused or option-only cavity) (F15) | ||
| 16 | 30 AMCASE | Smart bar, if equipped (F16) | |
| 17 | Not listed in the owner's manual for this year (unused or option-only cavity) (F17) | ||
| 18 | Not listed in the owner's manual for this year (unused or option-only cavity) (F18) | ||
| 19 | 20 AMCASE | Diesel SCR, if equipped: 20 A on the 1500 EcoDiesel, 30 A on the Cummins (F19) | |
| 20 | 30 AMCASE | Passenger door module (F20) | |
| 21 | 30 AMCASE | Drivetrain control module (F21) | |
| 22 | 20 AMCASE | Engine control module: 20 A, 30 A with the Cummins (F22) | |
| 23 | 30 AMCASE | Body controller #1 / interior lighting (F23) | |
| 24 | 30 AMCASE | Driver door module (F24) | |
| 25 | 30 AMCASE | Front wipers (F25) | |
| 26 | 30 AMCASE | ABS / stability control module and valves (F26) | |
| 27 | Not listed in the owner's manual for this year (unused or option-only cavity) (F27) | ||
| 28 | 20 AMCASE | Trailer tow back-up lamps, if equipped (F28) | |
| 29 | 20 AMCASE | Trailer tow park lamps, if equipped (F29) | |
| 30 | 30 AMCASE | Trailer tow receptacle, 7-pin connector feed (F30) | |
| 31 | 30 AMCASE | Urea heater control, 1500 EcoDiesel, if equipped (F31) | |
| 32 | Spare fuse position (F32, printed as spare) | ||
| 33 | 20 AMCASE | Special-service vehicles only (F33) | |
| 34 | 30 AMCASE | Vehicle system interface module #2 (upfitter), if equipped (F34) | |
| 35 | 30 AMCASE | Sunroof, if equipped (F35) | |
| 36 | 30 AMCASE | Rear window defroster, if equipped (F36) | |
| 37 | 30 AMCASE | Cummins diesel fuel heater #2, if equipped (F37) | |
| 38 | 30 AMCASE | 115 V AC power inverter, if equipped (F38) | |
| 39 | 20 AMCASE | Power outlet, special-service vehicles only (F39) | |
| 40 | Not listed in the owner's manual for this year (unused or option-only cavity) (F40) | ||
| 41 | 10 AMINI | Active grille shutter (F41) | |
| 42 | 20 AMINI | Horn (F42) | |
| 43 | Not listed in the owner's manual for this year (unused or option-only cavity) (F43) | ||
| 44 | 10 AMINI | OBD-II diagnostic port (F44) | |
| 45 | Not listed in the owner's manual for this year (unused or option-only cavity) (F45) | ||
| 46 | 10 AMINI | Upfitter circuit, if equipped (F46) | |
| 47 | Not listed in the owner's manual for this year (unused or option-only cavity) (F47) | ||
| 48 | Not listed in the owner's manual for this year (unused or option-only cavity) (F48) | ||
| 49 | 10 AMINI | Instrument cluster, except fleet trucks (F49) | |
| 50 | 20 AMINI | Air suspension control module, if equipped (F50) | |
| 51 | 10 AMINI | Ignition node module / keyless ignition; cluster on fleet trucks (F51) | |
| 52 | 5 AMINI | Battery sensor (F52) | |
| 53 | 20 AMINI | Trailer tow left turn / stop lamps (F53) | |
| 54 | 20 AMINI | Adjustable pedals (F54) | |
| 55 | Not listed in the owner's manual for this year (unused or option-only cavity) (F55) | ||
| 56 | 15 AMINI | Additional diesel content, if equipped (F56) | |
| 57 | 20 AMINI | Transmission (F57) | |
| 58 | 20 AMINI | Spare fuse (F58) | |
| 59 | 10 AMINI | SCR relay, if equipped (F59) | |
| 60 | 15 AMINI | Underhood lamp (F60) | |
| 61 | 10 AMINI | Diesel particulate matter (PM) sensor, if equipped (F61) | |
| 62 | 10 AMINI | A/C compressor clutch (F62) | |
| 63 | 20 AMINI | Ignition coils on petrol engines; urea heater on the Cummins (F63) | |
| 64 | 25 AMINI | Fuel injectors / powertrain (F64) | |
| 65 | Spare fuse position (F65, printed as spare; USB interface in earlier books) | ||
| 66 | 10 AMINI | Sunroof, passenger window switches, rain sensor (F66) | |
| 67 | 10 AMINI | CD / DVD / Bluetooth hands-free module, if equipped (F67) | |
| 68 | Not listed in the owner's manual for this year (unused or option-only cavity) (F68) | ||
| 69 | 15 AMINI | SCR module 12 V feed, Cummins diesel, if equipped (F69) | |
| 70 | 30 AMINI | Fuel pump motor (F70) | |
| 71 | 25 AMINI | Audio amplifier (F71) | |
| 72 | 10 AMINI | Powertrain control module, if equipped (F72) | |
| 73 | 20 AMINI | Fuel transfer pump, Heavy Duty only, if equipped (F73) | |
| 74 | 20 AMINI | Brake vacuum pump, petrol and 1500 EcoDiesel, if equipped (F74) | |
| 75 | 10 AMINI | Coolant temperature valve actuator (F75) | |
| 76 | 10 AMINI | ABS / electronic stability control (F76) | |
| 77 | 10 AMINI | Drivetrain control module / front axle disconnect module (F77) | |
| 78 | 10 AMINI | Engine control module / electric power steering (F78) | |
| 79 | 15 AMINI | Clearance (roof marker) lamps (F79) | |
| 80 | 10 AMINI | Universal garage door opener / compass (F80) | |
| 81 | 20 AMINI | Trailer tow right turn / stop lamps (F81) | |
| 82 | 10 AMINI | Steering column control module / cruise control (F82) | |
| 83 | Not listed in the owner's manual for this year (unused or option-only cavity) (F83) | ||
| 84 | 15 AMINI | Switch bank / instrument cluster (F84) | |
| 85 | 10 AMINI | Airbag module (F85) | |
| 86 | 10 AMINI | Airbag module (F86) | |
| 87 | 10 AMINI | Air suspension, if equipped / trailer tow / steering column control module (F87) | |
| 88 | 15 AMINI | Instrument cluster (F88) | |
| 89 | Not listed in the owner's manual for this year (unused or option-only cavity) (F89) | ||
| 90 | 20 AMINI | Rear-seat power outlet, customer selectable: seat the fuse in the F90 or the F91 half of this cavity to choose its feed (F90/F91) | |
| 92 | Not listed in the owner's manual for this year (unused or option-only cavity) (F92) | ||
| 93 | 20 AMINI | Cigar lighter (F93) | |
| 94 | 10 AMINI | Shifter / transfer case module (F94) | |
| 95 | 10 AMINI | Rear camera / park assist (F95) | |
| 96 | 10 AMINI | Rear seat heater switch (F96) | |
| 97 | 25 AMINI | Rear heated seats and heated steering wheel, if equipped (F97) | |
| 98 | 25 AMINI | Front heated seats, if equipped (F98) | |
| 99 | 10 AMINI | Climate control (F99) | |
| 100 | 10 AMINI | Upfitter circuits, if equipped (F100) | |
| 101 | 15 AMINI | Electrochromatic mirror / automatic high beams, if equipped (F101) | |
| 102 | Not listed in the owner's manual for this year (unused or option-only cavity) (F102) | ||
| 103 | Not listed in the owner's manual for this year (unused or option-only cavity) (F103) | ||
| 104 | 20 AMINI | Power outlets in the instrument panel and centre console (F104) |