2022 RAM 1500 wiring

440SERVICING AND MAINTENANCE
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. Locate the low beam access cover, which can be found on the back side of the headlamps.

Low Beam Headlight Cover

NOTE:It may be necessary to remove/reposition Air
Cleaner Assembly to access passenger side
headlamp/side marker light bulbs.
4. Disengage the bulb access cover by rotating counterclockwise.
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

High Beam Headlight Cover

See below steps to replace:

1. Open the hood.

2. Disconnect and isolate the negative battery cable.
3. Locate the high beam access cover, which can be found on the back side of the headlamps.
NOTE:It may be necessary to remove/reposition Air
Cleaner Assembly to access passenger side
headlamp/side marker light bulbs.
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.

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SERVICING AND MAINTENANCE441
4. Reach behind the headlamp and disengage the access cover by rotating counterclockwise.
5. Disconnect the internal lamp wiring harness connector from the high 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 cover. Front Park And Turn
See below steps to replace:

1. Open the hood.

2. Disconnect and isolate the negative battery
cable.
3. Locate the park and turn socket, which can be found on the back side of the headlamps.

Park And Turn Socket
4. Reach behind the headlamp and unlock the
park and turn socket from the lamp by rotating
counterclockwise a quarter turn.
5. Pull the bulb straight out from the housing.
6. Separate the bulb from the socket without twisting.
7. Reverse the procedure for installation of new bulb and covers.
Side Marker Lamp
See below steps to replace:

1. Open the hood.

2. Disconnect and isolate the negative battery cable.
3. Locate the side marker lamp, which can be found on the back side of the headlamps.

Side Marker Lamp

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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442SERVICING AND MAINTENANCE
4. Disengage the side marker socket by rotating counterclockwise a quarter turn.
5. Pull the socket and bulb straight out from the housing.
6. Separate the bulb from the socket without twisting.
7. Reverse the procedure for installation of new bulb and covers.
FOG LAMPS — IF EQUIPPED
Please see an authorized dealer for service on LED
and Halogen front fog lamps.
Halogen
See below steps to replace:

1. Reach under and behind the front fascia/bumper to access the back of the front fog
lamp housing.

2. Disconnect the fog lamp wiring harness connector from the fog lamp bulb.
Fog Lamp Bulb

3. Rotate the bulb counterclockwise a quarter turn to unlock the bulb from the housing.
4. Pull the bulb straight out from the housing.
5. Reverse the procedure to install the bulb and cover.
REAR TAIL/STOP, TURN SIGNAL AND BACKUP
LAMPS
See below steps to replace:

1. Remove the two screws and push pin retainers that pass through the bed sheet
metal.

Tail Lamp Locations

2. Pull the outboard side of the lamp rearward far enough to unsnap the two receptacles on the
outboard side of the lamp housing from the
two plastic snap post retainers in the outer box
side panel.
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.1 — Tail Lamp
2 — Fasteners
3 — Push - Pin Retainers

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SERVICING AND MAINTENANCE443

Tail Lamp Removal

3. Disconnect the wiring harness connectors from the bulb socket.

Wiring Harness Connector

4. Rotate the bulb socket counterclockwise a quarter turn to unlock it from the housing.
5. Pull the bulb straight out of the socket. 6. Reverse the procedure to install the bulb and
housing.
CENTER HIGH MOUNTED STOP LAMP (CHMSL)
WITH CARGO LAMP
See below steps to replace:

1. Remove the four screws holding the housing/lens to the body as shown.

CHMSL Mounting Screw Locations

2. Separate the connector holding the housing and wiring harness to the body.
CHMSL Bulb Location

3. Turn the desired bulb socket a quarter turn counterclockwise and remove the socket and
bulb from housing.
4. Pull the desired bulb straight from the socket.
Outside Bulbs: Cargo Lamps
Inside Bulb: Center High Mounted Stop
Lamp
5. Reverse the procedure for installation of bulbs and housing.
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.
CAUTION!
Do not contaminate the bulb glass by touching it
with your fingers or by allowing it to contract
other oily surfaces. Shortened bulb life will
result.
8

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490 Storage, Vehicle
...................................... 68, 461Store Radio Presets....................................... 268Storing Your Vehicle...................................... 461Sun Roof............................................ 82, 83, 85Sunglasses Storage......................................... 72Sunshade Operation................................. 83, 84Surround View Camera.................................. 200Suspension Air.................................................... 165, 169Sway Control, Trailer...................................... 319Symbol Glossary.............................................. 13Synthetic Engine Oil....................................... 409
T
Tailgate............................................................ 86Tailgate Removal............................................. 88Tailgate, Electronic Lowering........................... 86Tailgate, Multifunction..................................... 87Telescoping Steering Column.......................... 33Temperature Control, Automatic (ATC)............ 67TiltDown........................................................... 38Up................................................................ 38Tilt Steering Column........................................ 33Tip Start......................................................... 141Tire And Loading Information Placard........... 448Tire Identification Number (TIN).................... 446Tire Markings................................................. 444
Tire Safety Information................................. 444Tire Terminology And Definitions.................. 447Tires......................... 369, 451, 455, 456, 460Aging (Life Of Tires).................................. 454Air Pressure.............................................. 451Chains...................................................... 458Compact Spare......................................... 456Dual.......................................................... 466General Information............... 451, 455, 456High Speed............................................... 452Inflation Pressure..................................... 452Life Of Tires.............................................. 454Load Capacity........................................... 448Pressure Monitoring System(TPMS)........................................ 133, 328Quality Grading......................................... 460Radial....................................................... 452Replacement............................................ 454Rotation.................................................... 460Run Flat.................................................... 453Safety.............................................. 444, 451Sizes......................................................... 445Snow Tires................................................ 455Spare Tires............................. 455, 456, 457Spinning................................................... 453Trailer Towing........................................... 220Tread Wear Indicators.............................. 453Types........................................................ 455Wheel Nut Torque..................................... 466
To Open Hood..................................................85Tongue Weight/Trailer Weight............. 213, 217Tonneau Cover....................................... 98, 462Tonneau Cover Cleaning............................... 462Tow/Haul Mode............................................ 160Towing.........................................135, 212, 390Disabled Vehicle....................................... 390Guide........................................................ 217Recreational............................................. 227Weight...................................................... 217Towing Behind A Motorhome........................ 227Traction......................................................... 230Traction Control............................................ 319Trailer Reverse Steering Control................... 217Trailer Sway Control (TSC).................... 213, 319Trailer Tire Pressure...................................... 332Trailer Towing....................................... 131, 212Frontal Area.............................................. 213Hitches..................................................... 216Minimum Requirements........................... 219Mirrors.........................................................49Tips........................................................... 225Trailer And Tongue Weight........................ 217Weight Carrying Hitch............................... 213Weight Distributing Hitch.......................... 214Wiring....................................................... 223Trailer Towing Guide..................................... 217Trailer Weight................................................ 217

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