Re: Volkswagen Brake Light Switch

Posted by HH56 On 2023/1/19 12:05:47

Here is an easy to make relay setup using a readily available 12v Bosch style cube relay that can be found at most local parts stores, Amazon, or Ebay. The brake switch is from Napa or an equivalent can be bought at most other parts stores. (Note that if you use silicone fluid, some have had issues with longevity on the Napa switch and the Harley Davidson switch may work more reliably but to date there is not a lot of history to support that as fact.)

You can make an easy to connect wire harness with terminals and wires also found at the same places. Length of wires to suit where and how you mount the relay.

If you want to completely eliminate any issues from the hydraulic switches no matter which brake fluid is used Dwight Heinmuller sells a mechanical switch kit for both 55 and 56 models that mounts to the steering column inside the car and is actuated by the brake pedal arm.

Attach file:

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  Brake Switch Relay Replacement.jpg (47.28 KB)


  brake sw replacement loom.jpg (70.66 KB)


  brake sw.jpg (128.67 KB)