Re: T/L Brake light switch

Posted by Owen_Dyneto On 2017/3/19 15:08:30

I have not experienced early failure of the OEM-type switch in my own car which uses DOT-4 brake fluid, the unit in the car now has been there for 20+ years. But I've frequently heard of early failures when using DOT-5. IMO the simplist and most inexpensive solution when you experience switch failure and don't have an OEM type replacement or are using DOT-5 fluid is to go to the conventional switch and relay system that Mr. Pushbutton has mentioned in his post just above. It's available very inexpensively as a neat little kit as shown below, the hydraulic switch is a NAPA SL-134 (United 7715) or equivalent, and is included in the kit. This is the same switch used in almost all Packards with hydraulic brakes from 1954 and back.

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