Mercedes Vito W639 | Rear Light Wiring Diagram

Have an assistant turn on the desired function (e.g., the indicator). Probe the pins until you see a pulsing 12V signal.

. The owner, a local delivery driver, was frustrated: whenever he hit the brakes, the side lights would flicker and die. mercedes vito w639 rear light wiring diagram

The W639 chassis (produced between 2003 and 2014) utilizes a relatively straightforward wiring loom, though it is integrated with the vehicle's SAM (Signal Acquisition/Actuation Module), which can be sensitive to voltage drops or shorts. Have an assistant turn on the desired function (e

: Wiring for the rear clusters is typically accessed by removing the interior plastic covers or panels directly behind the light units. a local delivery driver