The handbrake switch switchs to earth. So the wire at the switch needs to be connected to negative in order to bring the light on.
Try just touching that wire to a good bit of body metal in the area and see if the light iluminates. This will indicate the circuit is working and points at the switch being faulty or out of adjustment/alignment.
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Doing it for all the wagons out there
Last edited by Bram; 13-02-2016 at 10:45 AM.
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