If a RAM 1500 tail light is out, you can fix it by replacing just the bulb or by swapping the entire tail light assembly. The job usually involves opening the tail light area from the bed or wheel well, disconnecting the wiring, and installing the new part before testing and resealing. The exact steps can vary by year and trim, so consult your vehicle’s manual if in doubt.
What you’ll need
Gather these tools and parts before you start to minimize disruption and ensure a clean install.
Having the correct parts and tools on hand helps ensure a smooth replacement and a reliable weather seal after the job is done.
Replacement options
There are two common approaches depending on the fault: replacing an individual bulb or replacing the entire tail light assembly.
Replace only the bulb
This is usually quicker and less expensive when the lens and housing are intact and a bulb is burned out.
- Park on a flat surface, set the parking brake, and switch off the ignition. If you plan to work near the battery, disconnect the negative terminal to avoid shorts.
- Access the tail light by opening the tailgate and, if needed, removing interior trim or wheel well liner to reach the bulb socket.
- Disconnect the wiring harness from the bulb socket by pressing the release tab and pulling straight out.
- Remove the bulb by turning the socket counterclockwise and pulling it out. Note the orientation of the bulb for the replacement.
- Install the new bulb into the socket, avoiding contact with the glass with bare fingers. Reinsert the socket into the housing and rotate to lock.
- Reconnect the wiring harness, reseal the housing if there’s a gasket, and reattach any trim pieces you removed.
- Test the lights by turning on the headlights and confirming the new bulb illuminates and operates correctly (brake and turn signals if applicable).
Replacing a bulb is often sufficient if only the filament is burned out. If light output remains dim or inconsistent after replacement, further inspection of the module or wiring may be needed.
Replace the entire tail light assembly
Choose this option when the lens is cracked, the housing is damaged, or the LEDs/electronics have failed and a full seal is preferred.
- Ensure the vehicle is off and the battery is disconnected to prevent shorts.
- Gain access by removing the interior bed panel or wheel well liner as needed to reach the mounting screws or bolts.
- Disconnect the electrical connector from the back of the tail light.
- Remove the mounting screws or bolts securing the tail light to the vehicle, then carefully pull the old unit away from the body.
- Connect the new tail light’s harness, align the unit with the mounting points, and reinstall the screws or bolts from inside the bed or wheel well.
- Reinstall any trim pieces and verify the gasket or seal is properly seated to prevent moisture intrusion.
- Reconnect the battery if you disconnected it and test all functions (running lights, brake lights, turn signals, and reverse lights) to ensure proper operation.
Replacing the whole assembly is often the most reliable way to restore full lighting performance and a rain-tight seal, especially for LED or complex light modules.
Testing, tips and troubleshooting
After any replacement, verify that all related lights function correctly and that there are no moisture or condensation issues inside the lens. If a light still doesn’t work after bulb replacement, recheck the bulb type, socket connection, fuses, and CAN bus compatibility for newer RAM 1500 models.
Summary
Replacing a RAM 1500 rear tail light can be a straightforward DIY task. Decide whether you need to replace a burnt-out bulb or the entire tail light assembly, gather the right tools and parts, carefully detach the old unit, install the new part, and test to confirm proper operation. Always reseal and protect the assembly to prevent moisture damage and electrical issues.
Is it easy to replace a rear tail light?
Changing your brake light or tail light bulbs is an easy maintenance task that you can usually perform on your own vehicle.
How to change tail light on Ram 1500?
Open the tailgate. You can now remove the cable. Using a fork remove the two holding rivets.
Can you legally drive with a broken tail light?
Driving with a broken tail light is illegal in most states and countries. Tail lights are crucial safety components on your vehicle, signaling your presence, braking, and intentions to other drivers—especially at night or in poor weather conditions.
How to change 2020 Ram 1500 tail light?
Bit. Go ahead and remove the tail. Light. We're replacing this bulb. Here this bulb number is 7443 take this guy here pop that out take your new bulb insert that back into the housing.