Two things. Either the battery is old and cannot hold the charge, or, there is something pulling current from the battery. ( like a short, or the radio or etc...) You can check this problem with an amp meter that can check the cable at the battery. 0.01 or 2 is okay. If it's 1.75 say, then you have to start to disconnect things to find out what.
Cause it doesn't have one
Have u checked the bearings?
There is a short somewhere in the ignition system causing the fuse to burn out. Start by replacing the ignition switch to see if that helps.
Just taking a guess........Loose chain.
Need a little more info please, and a clear question.
It can. But likely you have a short in the system.
There are several things that can cause your 1999 Ford Crown Victoria to idle rough when it is cold. The most common cause is a leak in one of the vacuum hoses.
Under the engine,side passenger and have three screws, one is hard to take it out 'cause you can't see it.
The alternator is failing.
Discharged battery possibly or trouble with starter.
Cars don't turn off completely, they run on battery power. The headlight switch needs to be turned off.
A cracked engine block