Main beam confusion?


New member
Hi guys,

My (2003 T1N Sprinter) high beams are garbage, and when I checked out the WIS documentation on them I came to the conclusion that the lights are wired wrong - the fog lamps come on when the high beam is pulled, and vice versa. However, my dad's van (2002 T1N) is wired the same way and the owner's manual for his van shows them as being correct (see attachments).

Which is correct? I'm leaning towards the owner's manual being correct, but why would the WIS stuff be so grossly incorrect? Or am I just a fool who's reading the legend wrong?


Eric Experience

Well-known member
Both drawings are correct. The lights vary according to local Design rules, that is one of the things that drives manufacturers mad. Eric

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