69 valiant electrical gremlin turn signal and license plate light
Here's a diagram of the turn and park lamp wiring for '67B. Some colors may be differnet but the concept is the same.
Since the bulbs share the socket for a ground, one path for electricity to complete the circuit is through a bulb's second filiment. Follow the orange line representing current out of the front turn lamp. It flows through the second filiment into the parking lamp feed wire. Then to the right tail light and out the tail light ground.
Here's a diagram of the turn and park lamp wiring for '67B. Some colors may be differnet but the concept is the same.
Since the bulbs share the socket for a ground, one path for electricity to complete the circuit is through a bulb's second filiment. Follow the orange line representing current out of the front turn lamp. It flows through the second filiment into the parking lamp feed wire. Then to the right tail light and out the tail light ground.
