Any ideas would be helpful, I put a new tailight panel and end coves on my 62 impala, also a new American auto wire loom from the plug behind rear seat to the new inside brake/ directional and back up light, outside brake/directional are orig. wiring. Turn the key to on position or start engine and directionals and brake lights work great, pull the headlight switch to on position and turn left or right directional and it will flash and divert power to the other side and they will flash also??? I had a 62 new pontiac a long time ago and one day I turned the directional on and the horn started beeping, same issue , no prob. dealer fixed it. I guess I could drive in daytime only! THANX Smitty