2022 RAM CHASSIS CAB maintenance

366SERVICING AND MAINTENANCE
F05 40 Amp Green –Air Suspension Comp
F06 40 Amp Green –STOM
F07 40 Amp Green –Starter Solenoid
F08 20 Amp Blue –NOX Sensor *
F09 40 Amp Green –Diesel / Fuel Heater *
F09 30 Amp Pink –Gas / Brake Vacuum Pump *
F10 40 Amp Green –CBC #2 / Ext Lights
F11 40 Amp Green –Brake SYS MOD ECU& Valves
F12 40 Amp Green –CBC #3 / Pwr Locks
F13 40 Amp Green –HVAC Blwr Mtr
F14 40 Amp Green –CBC #4 / Ext Light
F15 30 Amp Pink –Power Side Step *
F16 30 Amp Pink –Smart-Bar Module *
F17 30 Amp Pink –Winch *
F18 ––Spare
F19 30 Amp Pink –Diesel SCR Feed *
F20 30 Amp Pink –Passenger Door Mod
F21 30 Amp Pink –DTCM
F22 20 Amp Blue –Gas - ECM *
F22 25 Amp White –Diesel - PCM *
Cavity Cartridge Fuse Micro Fuse Description
* If Equipped

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SERVICING AND MAINTENANCE367
F23 30 Amp Pink –CBC #1 / Int Light
F24 30 Amp Pink –Driver Door Mod
F25 30 Amp Pink –FT Wiper
F26 ––Spare
F27 ––Spare
F28 20 Amp Blue –TRLR Tow B/U
F29 20 Amp Blue –TRLR TOW PARK
F30 30 Amp Pink –TRLR Tow
F31 ––Spare
F32 ––Spare
F33 20 Amp Blue –Trans Control Mod *
F34 30 Amp Pink –VSIM #2 *
F35 30 Amp Pink –Sunroof *
F36 30 Amp Pink –Rear Defroster (EBL) *
F37 30 Amp Pink –Diesel Frame / Fuel HTR *
F38 30 Amp Pink –ITBM *
F39 ––Spare
F40 –10 Amp Red Vented Seats *
F41 –10 Amp Red Act Grille Shutter / Dam *
F42 –20 Amp Yellow Horn
Cavity Cartridge Fuse Micro Fuse Description
* If Equipped
8

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368SERVICING AND MAINTENANCE
F43 –15 Amp Blue Heated Strng Wheel *
F44 –10 Amp Red Diagnostic Port
F45 ––Spare
F46 –10 Amp Red Upfitters Relay Coils *
F47 ––Spare
F48 ––Spare
F49 –10 Amp Red IP Cluster / CSG
F50 –20 Amp Yellow Air Suspension Mod *
F51 –10 Amp Red IGN Mod / KIN Mod/ RF Hub
F52 –5 Amp Tan Batt Snsr
F53 –20 Amp Yellow Trlr Tow – Lt Turn/Stop
F54 –20 Amp Yellow Non-Memory Adjustable Pedals *
F55 ––Spare
F56 –10 Amp Red Fuel Vapor Blocking Valve (VBV) *
F57 –20 Amp Yellow TCM / PCM / Trans PRSR SW
F58 –10 Amp Red Bed Lighting
F59 ––Spare
F60 ––Spare
F61 –10 Amp Red NH3 Sensor / PM Sensor *
F62 –10 Amp Red A/C Clutch
CavityCartridge Fuse Micro Fuse Description
* If Equipped

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SERVICING AND MAINTENANCE369
F63 –20 Amp Yellow Ignition Coils / CAPS
F64 –25 Amp Clear Fuel Injectors
F65 ––Spare
F66 –10 Amp RedSunroof / USB Rear * / Inside Rearview Mirror / Passenger
Window SW
F67 –10 Amp Red
UCI Port / USB Front / Trailer Gateway Module (360 Camera) /
Tachograph

F68 –10 Amp Red AEB RACAM HTR *
F69 –15 Amp Blue SCR Mod 12 Volt *
F70 –30 Amp Green Fuel Pump Mtr/ Fuel Htr RLY
F71 –25 Amp Clear Amp / Act Noise Cnsl
F72 ––Spare
F73 –20 Amp Yellow Fuel Transfer Pump *
F74 –10 Amp Red Backup Alarm
F75 –10 Amp Red SCR RLY / ATMM*
F76 –10 Amp Red Electronic Stability Control (ESC) *
F77 –10 Amp Red DTCM / TCM / FAD MOD / STOM
F78 –15 Amp Blue ECM / PCM / IRCM / AUX PDC Relay Coil Feed / HRLS
F79 –15 Amp Blue ID / Clearance Lt
F80 –10 Amp Red Ovrdh Con / Assist / 911
F81 –20 Amp Yellow Trlr tow Rt turn/Stop
Cavity Cartridge Fuse Micro Fuse Description
* If Equipped
8

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370SERVICING AND MAINTENANCE
F82 –10 Amp Red SCCM / Cruise control
F83 ––Spare
F84 –15 Amp Blue ASBM / HVAC / ICS / Heated Seats SW
F85 –10 Amp Red ORC (Airbag)
F86 –10 Amp Red ORC (Airbag)
F87 –10 Amp Red Air Susp / ITBM / SCCM / Module Gateway Trailer
F88 –15 Amp Blue IP Cluster
F89 ––Spare
F90 –20 Amp Yellow Power Outlet / Batt
F91 –20 Amp Yellow Power Outlet / Acc
F92 –10 Amp Red MOD Invertor (Wake Up) / Power Port / USB IP / WCPM*
F93 ––Spare
F94 –10 Amp Red SBW / TCASE SW / TRL TPM
F95 –10 Amp Red
R CAM / PRKTRNX/ CHMSL Cam / Bld SPT SNR / SVUE CAM *

F96 –10 Amp Red TRL Cam *
F97 –20 Amp Yellow Front HTD ST PSGR *
F98 –20 Amp Yellow Front HTD ST DRIVER *
F99 –10 Amp RedHVAC / In-Car Temperature Sensor / CSG MOD / Module
Gateway Trailer / Tachograph
F100 –10 Amp Red Upfitter Box Feed *
CavityCartridge Fuse Micro Fuse Description
* If Equipped

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SERVICING AND MAINTENANCE371
BULB REPLACEMENT
Replacement Bulbs, Names, And Part Numbers
In the instance a bulb needs to be replaced, this section includes bulb description and replacement part numbers.
NOTE:See an authorized dealer for LED bulb replacement.F101
–20 Amp Yellow RR HTD ST Right *
F102 –20 Amp Yellow RR HTD ST Left / Run RLY #3 *
F103 –10 Amp Red HeadLamp AFLS *
F104 –20 Amp Yellow UCI Port / USB Rear
Cavity Cartridge Fuse Micro Fuse Description
* If Equipped
Interior Bulbs
Bulb Name Bulb Number
Overhead Console Lamps TS 212–9
Dome Lamp 7679
NOTE:For lighted switches, see an authorized dealer for replacement instructions.
8

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372SERVICING AND MAINTENANCE
Exterior Bulbs
Bulb Name Bulb Number
Low Beam (Halogen Reflector Headlamp) H11LL
High Beam (Halogen Reflector Headlamp) 9005LL
Low & High Beam (LED Reflector Headlamp) LED (Serviced at an authorized dealer)
Low & High Beam (LED Projector Headlamp) LED (Serviced at an authorized dealer)
Turn Signal / Front Position (Halogen Reflector Headlamp) 7444NA
Turn Signal (LED Projector Headlamp) LED (Serviced at an authorized dealer)
Front Position (LED Headlamps) LED (Serviced at an authorized dealer)
Turn Signal (LED Reflector Headlamp) 7444NA
Front Side Marker (Headlamps) LED (Serviced at an authorized dealer)
Front Fog Lamps (Halogen Reflector Headlamp) H11LL
Front Fog Lamps (LED Headlamp) LED (Serviced at an authorized dealer)
Side Indicators (Front And Side View Mirror) LED (Serviced at an authorized dealer)
Center High Mounted Stop Lamp (CHMSL) 921
Cab Roof Marker Lamps 194NA
Box Off Tail Lamps – Stop/Turn/Tail/License Plate 1157
Box Off Tail Lamps – Back Up 1156

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SERVICING AND MAINTENANCE373
Replacing Exterior Bulbs
BASE QUAD: LOW BEAM HEADLAMP, HIGH
BEAM HEADLAMP, FRONT PARK AND TURN —
IF EQUIPPED
Low Beam
See below steps to replace:

1. Open the hood.

2. Disconnect and isolate the negative battery
cable.
3. Reach into the front wheel house ahead of the front wheel, remove the fastener, and lift the
cover over the access hole in the front of the
wheel house splash shield. Access to the rear
of the lamp can be gained through this access
hole.

Splash Shield Access Cover
4. Reach through the access hole of the wheel
house splash shield and disengage the bulb
access cover by rotating counterclockwise.

Bulb Access Cover

5. Disconnect the internal lamp wiring harness connector from the low beam bulb. 6. Rotate the bulb counterclockwise a quarter
turn to unlock the bulb from the lamp.
7. Pull the bulb straight out from the housing.
8. Reverse the procedure for installation of new bulb and covers.
High Beam
See below steps to replace:

1. Open the hood.

2. Disconnect and isolate the negative battery cable.

Bulb Access Cover

3. Look under the hood and behind the headlamp to find the high beam bulb access
cover.
4. Reach behind the headlamp and disengage the access cover by rotating counterclockwise.
CAUTION!
Do not contaminate the bulb glass by touching
it with your fingers or by allowing it to contact
other oily surfaces. Shortened bulb life will
result.
Always use the correct bulb size and type for
replacement. An incorrect bulb size or type
may overheat and cause damage to the lamp,
the bulb socket, or the lamp wiring.
8

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