The high-beam lights staying on the Ford Focus is a common problem of Focus vehicles produced between 2000 and 2005. There two issues that might be causing this are the headlight relay being stuck and a bad headlight switch. The repairs are fairly simple and take less than 30 minutes. You can purchase a replacement relay or switch from any standard auto-parts shop.

Turn off the engine of the Focus and open the bonnet.

Open the fuse box located behind the battery.

  • The high-beam lights staying on the Ford Focus is a common problem of Focus vehicles produced between 2000 and 2005.
  • Open the fuse box located behind the battery.

Remove the relays labelled "26" and "27." These are the high-beam relays. Replace them with new 10A relays and place the cover back onto the fuse box. Close the bonnet. If the problem persists, then the issue is with the headlight switch.

Turn off the engine of the Focus and open the bonnet.

Remove the negative battery terminal with a socket wrench.

Use a slotted screwdriver to push in the tabs on the left and right side of the steering column. This will release the top cover of the column.

Remove the cover to access the headlight switch. There is a small tab on the right side of the steering column that you can press down on with a slotted screwdriver. Press it to release the headlight switch.

  • Turn off the engine of the Focus and open the bonnet.
  • Press it to release the headlight switch.

Place the new switch into the steering column until it clicks into place. Reattach the cover and reconnect the battery. Close the bonnet.