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Old 06-25-2018, 08:59 PM   #3
thstone
Certified Boxster Addict
 
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
Its very simple; as long as the wear sensor wire has continuity, the dash light is off. When continuity is broken, then the dash light turns on.

The little nub on the end of the brake wear sensor has a wire embedded in it and when it gets worn, then the wire is broken, electrical continuity is lost, and the dash light turns on.

Thus, there is no computer or electronics, so there is no reset. As Steve mentions above, you can simply cut the brake sensor wires and twist the ends of the wire together and the dash light should turn off. This is an easy way to check if the light bulb itself is working properly.

Otherwise, I'd check the wear sensor connector (where it plugs into the car wire harness), its could be loose or has some dirt or other contamination in it so its randomly losing continuity and causing the dash light to flicker.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
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