I've been working to switch the lights in my 1965 Mustang to LED's and I'm currently stymied by some strange behavior: the right turn signal switch activates both the right and the left front turn lights, while the left turn signal only activates the left light. The rear brake lights & turn signal operate perfectly.

I also notice that when the right turn signal switch is activated (and all the lights in the front flash), the turn signal dashboard light (I only have one) is substantially...

65 Mustang: Right Turn Signal Activates Left (but not vice versa)