BRZ/FRS/GT86 4TH BRAKE LIGHT WIRING INSTRUCTIONS
- Install new lamp in place of factory lamp by removing 2 10mm bolts on the top and 2 retainers on either side of the lamp
- Remove the factory harness and feed the provided new long harness into the trunk. Reuse the factory rubber grommet.
- Use the provided main harness to plug into the factory plug in the trunk to power the reverse lights on your new lamp
- Cut the blue wire from the main harness (see picture below) and tap it into the Light green factory wire in the trunk
- Tap loose brown wire into factory Red wire (see picture below).
- Tap the loose black wire into the factory black ground wire in the trunk.
