The backup lights on a 67 Camaro won't work if the bulbs have burned out of the shifter is misaligned. The lights come on automatically when put in reverse and will not function properly unless the shifter triggers the reverse sensor.
bypass valve not opening
you have a bad heater core
faulty brake switch
check your ground wire in the back
Most likely the reverse lights were attached to the light bar.
motor on flap or switch at peadle
broken circit in your light switch
on the back of the car
Check the ground wire. You have a bad connection somewhere.
my head lights wont come on ,,all other lights work ,,no head lights
check the wiring. its probably shot
on ground or no power,check fuses.