I didn't have a plug or wiring in my 1.0L, and no boot latch switch but grabbed a boot light unit from the scrappy, cut a hole in the side carpet and screwed it into the body. The holes are already there behind the carpet. Best way would be to feed it from a constant 12V power line wire into a boot switch (such as how the interior light door switches work). Personally I couldn't be bothered and just wired into the rear side lights.