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Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by Danny-boy, Feb 3, 2013.
Anybody know which cable is positive & negative on the sidelight bulb cables?
I am guessing your rewiring a new side light connector on?
if so it does not matter just wire it in.
most of the time the brown is the ground.
if your using normal 501 side lights just fit them in the positive and negative does not matter
if your using led 501's then wire it in anyway (does not matter which is positive and negative) plug the bulb in and if it does not work rotate the bulb 180 degrees and refit and this should solve your problem