check the turn signal switch located under the drivers side steering column or check the ground on the motor to the vehicle amd make sure their is no rust or check the throats where you insert your bulbs for breakage
Could be the brake light switch or fuse.
Check the fuses first then check the bulbs.
On the back of a car there are tail lights, turn signals, and brake lights. Cars also have back up lights that tell people when the car is in reverse.
The lights are the same and they are controlled by the same flasher relay located on the drivers side behind the dash, drivers side of steering column, mounted above the fuse panel.
which fuse triggers 1992 ford aerostar
Blown fuse or bad headlight switch
Check fuses Check ignition switch noted for connectors loosening and wearing
One fuse controls the function of the hazard, reverse, and turn signals of the car. When there fuse blows all the components stop working.
Where is the fuse located for the reverse lights
Check your fuses
Try replacing the headlight switch. Do the front parklights work and not the rear ones? If so check the harness to the rear of the vehicle for breakage.
Both a stuck reverse switch and shorted wiring can be causes for reverse lights to stay on. Under normal circumstances, the reverse lights turn off as soon as the vehicle is shifted out of reverse.