Turn signal issue...
I have a 2013 Forest River popup with a turn signal issue. When headlights on the TV are off, the turn signal works fine. But when the headlights are on, the left turn signal jis hardly visible. When ...
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Bad ground. one of the turn signal lamps.. When your headlights are off the parking lights are also off. The turn signal grounds via the other half of the lamp.. Head and parking lights on that path is not open to them.
