How to Replace a Headlamp on a Freightliner M2

by Gregory Crews
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Replacing a headlamp on a Freightliner M2 is necessary when the headlamp burns out. The headlamp used is a halogen lamp which can be purchased at any truck parts store or even the Freightliner dealer. Always perform a walkaround inspection when replacing the light to ensure there are no other lights that have burnt out and require replacement. The headlamp itself is simple to access and will take a few minutes to replace.

Step 1

Ensure the truck is parked on a flat and level surface and that the parking brake is set.

Step 2

Open the hood for access to the headlamp. Locate the back of the headlamp on the back of the hood.

Step 3

Unclip the wiring harness going in to the back of the headlamp assembly. The harness will unlock by pulling the clips apart and pulling off the headlamp socket.

Step 4

Turn the socket counterclockwise and pull it out of the headlamp assembly. Replace it with the new headlamp and twist it in clockwise until it locks in place.

Step 5

Push the wiring harness onto the back of the socket. The harness will lock in place as well.

Close the hood and secure it by locking the straps in place. Test the headlamp to ensure it is working properly.

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