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Pelican Technical Article:

Replacing Your Brake Light Switch

Steve Vernon

Time:

1 hour1 hr

Tab:

$50

Talent:

*

Tools:

T30 Torx

Applicable Models:

VW Golf (2004-06)
VW GTI (2006-09)

Parts Required:

New brake light switch

Hot Tip:

Remove switch before disconnecting wires

Performance Gain:

Working brake lights

Complementary Modification:

Bleed Brakes

If you find you have no brake lights one of the most common solutions to the problem is the brake light switch. These switches fail often. After checking your fuses, you should examine your brake light switch. In 2006 Volkswagen redesigned the switch and moved it to the brake master cylinder.

The new design brake light switch is located on the brake master cylinder.
Figure 1

The new design brake light switch is located on the brake master cylinder. The master cylinder is located on the firewall on the left side of the vehicle (red arrow). Whether you have a standard engine cover/air filter or an aftermarket induction system you will need to remove them to get access to the switch.

The switch is located on the right lower side of the master cylinder (red arrow).
Figure 2

The switch is located on the right lower side of the master cylinder (red arrow). The battery and tray have been removed for photographic purposes. It is a tight space to work but certainly doable. If you feel you need more room you can remove the battery. Please see our article on battery removal for further assistance.

Use a T30 Torx and remove the single bolt holding the switch to the master cylinder (red arrow).
Figure 3

Use a T30 Torx and remove the single bolt holding the switch to the master cylinder (red arrow).

It is easier to remove the switch from the cylinder with the wiring attached and then separate the wiring connection (red arrow).
Figure 4

It is easier to remove the switch from the cylinder with the wiring attached and then separate the wiring connection (red arrow). While removing the switch do NOT open up any holes to the master cylinder. There should be no concerns with the rest of the brake system.

The top of the switch has a notch (red arrow) that sits in a corresponding flap on the cylinder.
Figure 5

The top of the switch has a notch (red arrow) that sits in a corresponding flap on the cylinder. Insert the notch first and then screw the T30 Torx screw down. Installation is the reverse of removal.

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Page last updated: Fri 7/21/2017 02:56:56 AM