26-10-2017, 10:43 AM
The common earth in a stop/tail bulb can cause strange effects.
If the lamp at one side has a bad earth then the stop light can earth through the side light circuit to the lamp the other side. This causes the other side side light to come on unexpectedly.
If the lamp at one side has a bad earth then the stop light can earth through the side light circuit to the lamp the other side. This causes the other side side light to come on unexpectedly.
Jim