Originally Posted by justinc

Aah,Toyotas, don't they mostly switch earth on their lamps?? I had this problem when wiring driving lamps to a toyota coaster bus once. Toyotas idea was to reduce the contact wear in the switches by switching the earth side. This means that they are effectively wired in reverse to the LR. The switch etc has constant supply, and earth is the switching side.


Confusing isn't it, but when you see it / actually wire it it makes sense. I think.

JC