2023 Ford Transit Bulb Size Guide

Quick reference

LED vs halogen upgrade considerations

When upgrading your 2023 Ford Transit to LED bulbs, there are a few things to keep in mind. While LED bulbs offer a brighter, more efficient light source, they can sometimes cause issues with your vehicle's electrical system.

One common issue is CANBUS errors. The 2023 Ford Transit uses a CANBUS system to monitor the vehicle's electrical components, including the lights. If you install an LED bulb that is not CANBUS-compatible, it can cause the system to think that a bulb is burnt out, resulting in a warning light on your dashboard. To avoid this, be sure to purchase CANBUS-compatible LED bulbs.

Another thing to consider is whether or not you will need an adapter to install your new LED bulbs. Some LED bulbs are designed to be a direct replacement for your factory halogen bulbs, while others may require an adapter to fit properly. Be sure to check the product description of any LED bulbs you are considering to see if an adapter is required.

How to replace each bulb

Low Beam Headlight:

1. Open the hood and locate the back of the headlight assembly.
2. Twist the bulb socket counter-clockwise to remove it from the headlight assembly.
3. Disconnect the electrical connector from the bulb.
4. Remove the old bulb from the socket and insert the new one.
5. Reconnect the electrical connector and insert the socket back into the headlight assembly.
6. Twist the socket clockwise to lock it in place.

High Beam Headlight:

1. Open the hood and locate the back of the headlight assembly.
2. Twist the bulb socket counter-clockwise to remove it from the headlight assembly.
3. Disconnect the electrical connector from the bulb.
4. Remove the old bulb from the socket and insert the new one.
5. Reconnect the electrical connector and insert the socket back into the headlight assembly.
6. Twist the socket clockwise to lock it in place.

Fog Light:

1. Reach under the front bumper and locate the back of the fog light assembly.
2. Twist the bulb socket counter-clockwise to remove it from the fog light assembly.
3. Disconnect the electrical connector from the bulb.
4. Remove the old bulb from the socket and insert the new one.
5. Reconnect the electrical connector and insert the socket back into the fog light assembly.
6. Twist the socket clockwise to lock it in place.

Daytime Running Light (DRL):

The DRLs are integrated into the headlight assembly and are not user-serviceable. If you are having issues with your DRLs, you will need to take your vehicle to a qualified technician for repair.

Front Turn Signal:

1. Open the hood and locate the back of the headlight assembly.
2. Twist the bulb socket counter-clockwise to remove it from the headlight assembly.
3. Disconnect the electrical connector from the bulb.
4. Remove the old bulb from the socket and insert the new one.
5. Reconnect the electrical connector and insert the socket back into the headlight assembly.
6. Twist the socket clockwise to lock it in place.

Rear Turn Signal:

1. Open the rear cargo doors and locate the back of the tail light assembly.
2. Remove the two screws that hold the tail light assembly in place.
3. Pull the tail light assembly away from the vehicle to access the bulb sockets.
4. Twist the bulb socket counter-clockwise to remove it from the tail light assembly.
5. Remove the old bulb from the socket and insert the new one.
6. Reinstall the socket into the tail light assembly and twist it clockwise to lock it in place.
7. Reinstall the tail light assembly and secure it with the two screws.

Brake Light:

1. Open the rear cargo doors and locate the back of the tail light assembly.
2. Remove the two screws that hold the tail light assembly in place.
3. Pull the tail light assembly away from the vehicle to access the bulb sockets.
4. Twist the bulb socket counter-clockwise to remove it from the tail light assembly.
5. Remove the old bulb from the socket and insert the new one.
6. Reinstall the socket into the tail light assembly and twist it clockwise to lock it in place.
7. Reinstall the tail light assembly and secure it with the two screws.

Tail Light:

1. Open the rear cargo doors and locate the back of the tail light assembly.
2. Remove the two screws that hold the tail light assembly in place.
3. Pull the tail light assembly away from the vehicle to access the bulb sockets.
4. Twist the bulb socket counter-clockwise to remove it from the tail light assembly.
5. Remove the old bulb from the socket and insert the new one.
6. Reinstall the socket into the tail light assembly and twist it clockwise to lock it in place.
7. Reinstall the tail light assembly and secure it with the two screws.

Reverse Light:

1. Open the rear cargo doors and locate the back of the tail light assembly.
2. Remove the two screws that hold the tail light assembly in place.
3. Pull the tail light assembly away from the vehicle to access the bulb sockets.
4. Twist the bulb socket counter-clockwise to remove it from the tail light assembly.
5. Remove the old bulb from the socket and insert the new one.
6. Reinstall the socket into the tail light assembly and twist it clockwise to lock it in place.
7. Reinstall the tail light assembly and secure it with the two screws.

License Plate:

1. Locate the license plate light assembly above the license plate.
2. Use a small, flat-head screwdriver to pry the lens off of the assembly.
3. Remove the old bulb from the socket and insert the new one.
4. Snap the lens back into place.

Side Marker:

1. Locate the side marker light assembly on the side of the front bumper.
2. Use a small, flat-head screwdriver to pry the lens off of the assembly.
3. Remove the old bulb from the socket and insert the new one.
4. Snap the lens back into place.

Dome/Map Light:

1. Locate the dome/map light assembly in the headliner.
2. Use a small, flat-head screwdriver to pry the lens off of the assembly.
3. Remove the old bulb from the socket and insert the new one.
4. Snap the lens back into place.

Common lighting issues for this generation

One of the most common lighting issues with the 2023 Ford Transit is premature bulb burnout. This can be caused by a number of factors, including a faulty alternator, a bad ground, or a problem with the vehicle's electrical system. If you are experiencing premature bulb burnout, it is important to have your vehicle diagnosed by a qualified technician to determine the cause of the problem.

Another common issue is flickering or dimming lights. This can be caused by a number of factors, including a loose connection, a faulty alternator, or a problem with the vehicle's electrical system. If you are experiencing flickering or dimming lights, it is important to have your vehicle diagnosed by a qualified technician to determine the cause of the problem.

Find a trusted shop on Repairius.