The passenger side brake light on my girlfriends Alto does not work. It is not the bulb at fault. I have swapped over the complete rear light unit with the other side and it still does not work. Vice versa is fine.
So the problem is further up the chain. It is unlikely to be the brake light switch as the drivers side and the high level brake light work fine. After leaving the rear light cluster the wiring disappears somewhere I cannot find easily.
Haynes do not make a manual for the Alto so I have no wiring diagram. Does anyone have any bright ideas, or am I going to have to hand it over to a garage?
Many thanks, Carl.