when its dark
That means you need to check the head lights. Suprisingly enough head lights on cars cause most problems. Especially on Fords.
you need an alternator
You have a weak ground connection.
the ash lights come on when you turn your park/ head lights on are so you may have a faulty head light switch!
Turn your head lights off before you shut the car off
they do
they need lights but they can be a set you can get on large magnets
Head lights
There is a power or ground wire hooked up backwards. (95%sure)
Need to replace both head lights. The high beem is burned out on one side and the low beem burned out on the other side.
No
Break lights come on when you step on the break, they do not come on when the head lights are turned on.