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How-To: Focus RS Rear Tail Light Bulb Replacement


Active member
Staff Member
Here's a simple guide to replace the rear tail light bulbs for the Focus RS. You can use this write up for swapping standard halogen bulbs with LED.

Items Needed:
1) Blue Tape
2) Rear Bulbs: Rear Turn Signal Lights (3757), Back Up Lights (921), Tail Lights (3157), Brake Lights (3157)

Step 1 - Protect the paint with blue tape.

Step 2 - Remove access cover.

Step 3 - Remove both wing nuts.

Step 4 - Remove tail light.

Step 5 - Replace desired bulb with new bulb.