Quote:
Originally Posted by thstone
The brake wear light is the most simple circuit possible: If there is continuity, then the light is off. If the light is on, then continuity is broken somewhere in the wiring, connectors, or sensor itself. That's all there is to it. You'll have to re-check each sensor and connectors to find the cause.
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...or shorted to ground. The wire loop in the "sensor" only needs to be touching the rotor to trip the light (or any grounded metal surface), not necessarily broken. If the hole in the pad is not correctly spaced, the loop could be making ground contact through the pads metal plate.