The wire leading to the bulb socket is the positive (+) wire. The vehicle body and frame acts as the negative (-) part of the circuit.The wire colour codefor positive is the green black one
Because LED means light-emitting diode and the clue is in the diode, because diodes are 'polarised', which means that the current must flow in the correct direction for them to operate correctly.
Red wire=positive Black wire=negative
You put switch in series with the black supply wire and the black wire to the first light. Then connect black wire of first light to black wire of second light, black wire of second light to third light and so forth. Do the same with the white wires and ground wires.
The green wire on the light fixture is a ground wire. If there is no ground wire in the conduit, the green wire should be attached to the metal box with a screw.
with a standard 1 pole light switch (one switch operating the light) it is black wire to black wire and white to white (non grounded)
The 1996 Chevy Tahoe reverse wire is light blue. You can find the reverse wire inside of the steering column.
grey
Light Green
The reverse light wire on a 2005 Nissan Pathfinder is light blue. Further information may be available in the owner's manual.
The wire is white with a light green stripe on it.
BLK/PNK
Follow the positive cable wire from the battery and it will end up plugged right into the safety switch.
red
in the drivers kick panel. it is the green wire with a black stripe.
The positive wire for the 2005 Toyota Tacoma tail light is red with white stripes. The negative wire is white with black stripes.
blk/pink
White with black words.