Main Light Beam Relay

What is a Main Light Beam Relay?

The Main Light Beam Relay is part of the car electrics system. We have 2 associated problem symptoms connected to it.

What problems can be caused by this part?

Headlight high beam not working correctly

The lights stay on dipped beam and won't switch to high beam when selected on the stalk.

Headlights are less powerful than usual

The headlights don't seem to be as bright as they were, they don't light up as much of the road ahead as they used to.

We have 5 owner problems that mention the Main Light Beam Relay