On 26/04/2021 11:11, Dave Plowman (News) wrote:
In article ,
alan_m wrote:
I once had disks and pads replaced by a local garage and years later
when replacing the pads myself found that the low pad wires had not been
connected - they had been neatly coiled up and cable tied safely out of
the way.

Most brake pad warning systems show an error if the sensors aren't
connected.


They may do now but the operation of these seemed to be open circuit
when the pads were new and a short circuit to the disk when worn.

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