Quote:
Originally Posted by HarryM1BYT
It is just a loop in and out of the pad, of thin wire, close to the metal base of the pad. Once the pad wears down to the loop, it breaks the loop and the light comes on. A useful bit of test kit would be two old sensors from a worn out pad, with the two wire ends just shorted, so you can plug them in in place of the suspect sensors. If all is well with the rest of the wiring - the light should then go out immediately. You could instead, simply use a pair of new pads complete with sensors, just plugged into the black sockets.
Or even link the two pins of the black socket at a pinch.
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Ok so if it is the loop of wire in the pad itself that wears down as I was thinking and not the actual sensor itself that wears down, then why do people say that when you change the pads you should change the senors too? What is the point if they are not the wearable part and can be reused?