Did you check the knob on the dash by headlight switch to see if it was reeled all the way up? If so that's why it might be staying on it makes dash lights dim or bright and if you click it all the way up it turns the interior light on steady.
Sounds like switch may be defective
To adjust your headlights on 2005 Ford Taurus, first open the hood of your car and turn the lights on, find the headlight adjusters beneath the hood, and turn it counterclockwise to raise the beam or the other way to lower the headlight beam.
The 1989 Taurus has larger headlights separate from the turn signal(corner lamp) The 1993 Taurus has more slender headlights joined to the corner lamp.
headlights and dash lights in 2001 sunfire wont turn on.
replace your mutifunction switch (your signal light switch, your high beam and flash to pass are worn out )
Does it turn over??
There is an inertia switch in the trunk. tap it lightly with a hammer. to reset it just push in the button
I had to take the bulb out of mine, no one could fix the problem and I didn't want my battery to wear out.
Push the turn signal lever forward
The 1988 Ford Taurus turn signal flasher relay switch is located beneath the drivers side dashboard. The turn signal flasher relay switch will be above the brake pedal.
Does it turn over?Is it getting fuel and spark?
Your battery is not giving full performance.