Where are the Fuse Boxes located in the 2021 Jeep Wrangler?
2021 Jeep Wrangler has 1 main box of fuses and relays. It is located under the hood in the Engine Compartment.
2021 Jeep Wrangler Under Hood Fuse Box and Relay Location
Gasoline
Diesel & 6.4L
The Power Distribution Center is located in the engine compartment near the battery. This center contains cartridge fuses, mini fuses, and relays. The PDC top cover is labelled with each serviceable fuse/relay location, function, and size.
2021 Jeep Wrangler under Hood Fuse Box Layout
2021 Jeep Wrangler under Hood Fuse Box and Relay Diagram
2021 Jeep Wrangler under Hood Fuse Box and Relay Details
Assignment of the Fuses and Relays
| Cavity | Cartridge Fuse | Micro Fuse | Description |
|---|---|---|---|
| F01 | – | – | Spare |
| F02 | 40 Amp Green | – | Starter |
| F03 | – | 5 Amp Tan | Intelligent Battery Sensor (IBS) |
| F04 | – | 20 Amp Yellow | Fuel Pump MTR/FPCM |
| F05 | – | 5 Amp Tan | Security Gateway |
| F06 | – | – | Spare |
| F07 | — | 15 Amp Blue | Low Temp Radiator Cooling Pump (LTR) – If Equipped |
| F08 | – | 15 Amp Blue | Trans Control Module TCM-8HP CYGNUS |
| F09 | – | – | Spare |
| F10 | 15 Amp Blue | Key Ignition Node (KIN)/Radio Frequency Hub(RF HUB)/Electric Steering Column Lock (ESCL) | |
| F11 | – | 10 Amp Red | UCI Port (USB & AUX) |
| F12 | – | 25 Amp Clear | HIFI Amplifier |
| F13 | – | – | Spare |
| F14 | – | – | Spare |
| F15 | 15 Amp Blue | Instrument Panel Cluster (IPC)/Switch Bank-Heavy Duty Electrical Pkg (SWITCH BANK-HD ELEC) | |
| F16 | – | – | Spare |
| F17 | – | – | Spare |
| F18 | – | 10 Amp Red | Air Conditioning Clutch (AC CLUTCH) |
| F19 | – | – | Spare |
| F20 | 30 Amp Pink | Central Body Controller (CBC) 1-INTERIOR LIGHTS | |
| F21 | – | 20 Amp Yellow | REAR WIPER |
| F22 | 10 Amp Red | Engine Control Module (ECM)/Powertrain Control Module (PCM)/Motor Generator Unit (MGU) WAKE UP/Power Pack Unit (PPU) WAKE UP | |
| F23 | — | 10 Amp Red | Powertrain Control Module (PCM)/Engine Control Module (ECM) |
| F24 | – | – | Spare |
| F25 | – | 10 Amp Red | Module Shift By Wire (MOD.SBW) |
| F26 | 40 Amp Green | Central Body Controller (CBC) 2-EXTERIOR LIGHTS #1 | |
| F27 | 30 Amp Pink | – | Front Wipers |
| F28 | 40 Amp Green | Central Body Controller (CBC) 3-POWER LOCKS | |
| F29 | 40 Amp Green | Central Body Controller (CBC) 4-EXTERIOR LIGHTS #2 | |
| F30 | – | – | Spare |
| F31 | – | 10 Amp Red | DIAGNOSTIC PORT |
| F32 | 10 Amp Red | Heating Ventilation Air Conditioning Mod (HVAC CTRL MOD)/Steering Column Lock (SCL)/Occupant Classification Module (OCM)/Driver Presence Detection Module (DPDM) | |
| F33 | 10 Amp Red | ParkTronics System (PTS)/Infrared Camera Module (IRCM)/Airbag Disable Lamps (AIRBAG DISABLE LMPS) | |
| F34 | 10 Amp Red | Electronic Stability Control (ESC)/Electric Hydraulic Power Steering (EHPS)/Smart Bar Control Module (SBCM) WAKE UP | |
| F35 | 30 Amp Pink | – | BRAKE VAC PMP — If Equipped |
| F36 | 30 Amp Pink | – | TRAILER TOW MOD — If Equipped |
| F37 | 30 Amp Pink | – | TRAILER TOW CONN 7W — If Equipped |
| F38 | 20 Amp Blue | – | Engine Control Module ECM |
| F39 | – | – | Spare |
| F40 | 15 Amp Blue | DriveTrain Control Module (DTCM)/Axle Lock (AXLE LOC) FT_RR | |
| F41 | 15 Amp Blue | Instrument Cluster (IC)/Security GateWay (SGW) WAKE UP | |
| F42 | 10 Amp Red | Power Control Relay Control Feed (Electric Stop/Start)/Spare (Belt Starter Generator) – If Equipped | |
| F43 | 20 Amp Yellow | PWR OUTLET (CARGO) BATT | |
| F44 | – | 10 Amp Red | InfraRed Camera (IRCAM) HEATERS |
| F45 | – | 20 Amp Yellow | PWR OUTLET (CARGO) IGN |
| F46 | — | 10 Amp Red | AUTO HDLP LVL MOD/LVL MTR/HDLP SW |
| F47 | – | – | Spare |
| F48 | – | – | Spare |
| F49 | – | 10 Amp Red | Occupant Restraint Controller ORC |
| F50 | – | 10 Amp Red | HD ACC — If Equipped |
| F51 | 10 Amp Red | Digital TV (DSRQ/USB/InSide RearView Mirror (ISRVM)/ Compass Module (CSGM) | |
| F52 | – | 20 Amp Yellow | CIGAR LTR |
| F53 | – | – | Spare |
| F54 | – | – | Spare |
| F55 | – | 10 Amp Red | 2021: Central Vision Processing Module (CVPM) |
| F56 | – | 10 Amp Red | IN-CAR TEMP SENSOR |
| F57 | – | 20 Amp Yellow | Driver Heated Seat |
| F58 | – | 20 Amp Yellow | Pass Heated Seat |
| F59 | – | – | Spare |
| F60 | 15 Amp Blue | Comfort Steering Wheel Module (CSWM) (HTD STR WHEEL) | |
| F61 | — | 10 Amp Red | Left Blind Spot Sensor (LBSS)/Right Blind Spot Sensor (RBSS) |
| F62 | – | – | Spare |
| F63 | – | 10 Amp Red | Occupant Restraint Controller (ORC) |
| F64 | – | – | Spare |
| F65 | – | – | Spare |
| F66 | 40 Amp Green | – | HVAC BLOWER MTR FRT |
| F67 | – | – | Spare |
| F68 | – | – | Spare |
| F69 | 5 Amp Tan | Motor Generator Unit MGU Belt Starter Generator (BSG) — If Equipped | |
| F70 | 25 Amp Clear | INJ/IGN COIL (GAS)/GLO PLUG MOD (DSL) | |
| F71 | – | – | Spare |
| F72 | – | 10 Amp Red | HD ELEC ACC PKG — If Equipped |
| F73 | 20 Amp Blue | – | PWR TOP LT |
| F74 | 20 Amp Blue | – | PWR TOP RT |
| F75 | 10 Amp Red | Power Pack Unit – Battery Pack Control Module & Auxiliary Power Module (PPU-BPCM & APM) Belt Starter Generator (BSG) — If Equipped | |
| F76 | – | 20 Amp Yellow | ECM (GAS)/PCM (DSL) |
| F77 | – | 10 Amp Red | HTD MIRRORS |
| F78 | — | 10 Amp Red | COMP/ INTRUSION/SIREN / INTRUSION SENSORS |
| F79 | – | 20 Amp Yellow | SMART BAR CTRL MOD |
| F80 | – | 15 Amp Blue | Powertrain Control Module (PCM) |
| F81 | 30 Amp Pink | – | REAR DEFROSTER (EBL) |
| F82 | 30 Amp Pink | – | FUEL HTR — If Equipped |
| F83 | 60 Amp Yellow | GLOW PLUG — If Equipped | |
| F84 | 30 Amp Pink | – | UREA HTR CTRL UNIT — If Equipped |
| F85 | – | 10 Amp Red | PM SENSOR — If Equipped |
| F86 | 30 Amp Pink | – | BRAKE VAC PMP 2 — If Equipped |
| F87 | – | 10 Amp Red | SUPPLY/PURGING PMP — If Equipped |
| F88 | 20 Amp Blue | – | NOx SENSOR #1/ #2 — IF Equipped |
| F89 | 10 Amp Red | Steering Column Control Module (SCCM)/ Cruise Control (CRUISE CTL)/ Digital TV (DTV) | |
| F90 | 20 Amp Blue | – | TRAILER TOW PARK LMP — If Equipped |
| F91 | – | 20 Amp Yellow | HORN |
| F92 | 40 Amp Green | – | HD ACCY #2 — If Equipped |
| F93 | 40 Amp Green | – | HD ACCY #1 — If Equipped |
| F94 | — | 10 Amp Red | Tire Pressure Monitor (TPM)/ RF Hub system (CORAX) |
| F95 | – | – | Spare |
| F96 | – | 10 Amp Red | PWR MIRROR SW |
| F97 | – | 20 Amp Yellow | RADIO/TBM |
| F98 | – | 10 Amp Red | SW BANK-HD ELEC/OFF ROAD |
| F99 | – | – | Spare |
| F100 | 30 Amp Pink | – | ESC-ECU & VALVES |
| F101 | 30 Amp Pink | – | DriveTrain Control Module (DTCM) |
| F102 | – | 15 Amp Blue | DUAL USB PORT |
| F103 | – | 15 Amp Blue | HD ACCY #3 — If Equipped |
| F104 | – | 15 Amp Blue | PPU COOL PUMP — If Equipped |
| F105 | 10 Amp Red | Integrated Center Stack (ICS)/Heat Ventilation Air Conditioning (HVAC) | |
| F106 | 40 Amp Green 50 Amp Red | – | 2019-2020: Electronic Speed Control (ESC) – PUMP MTR 2021: Cruise Control – PUMP MTR |
| F107 | 20 Amp Yellow | TRAILER TOW STOP/TURN LT — If Equipped | |
| F108 | – | 15 Amp Blue | HD ACCY #4 — If Equipped |
| F109 | — | 20 Amp Yellow | TRAILER TOW STOP/TURN RT — If Equipped |
| F110 | 30 Amp Pink | – | POWER INVERTER |
| F111 | 20 Amp Blue | – | TRAILER TOW BACKUP — If Equipped |
WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.
