Hi, thought I would add some pics of how I done mine. Switch at rear door went into the plastic plate the light is attached to, took 1 connector off light and put straight onto switch then made up small length of cable about 3 inches with a connector at each end, put one on switch and other onto light.
Side door switch went onto plastic trim for door runner as it was easier to cut hole for switch and easier to reach from outside, only difference with wiring was I used longer pieces of cable and had to join one to existing light cable to make it longer.
I'm not really in the back in the dark but it's nice to have the option....hope this helps.
Sorry pics are on their side....fck nose how to rotate them....took me long enough to work out how to attach them
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