my radio kept cycling for some reason drained my battery. i pulled the fuse and haven't had a radio or clock since, but my battery is fine.
There's something left in the car that use power even when the engine is off. Can be a dashboard clock, can be the vehicle alarm system, can be the stereo. The battery can also have a dead cell which will drain it overnight.
how to drain 1999 windstar
It is designed to stay on. It will not drain your battery.
On the 2002 Windstar there is a 3/8" square head antifreeze drain plug above the starter. This drains the left bank of the block and can be replaced with a 1/4" pipe valve.
Yes, a loose battery cable will prevent the alternator from charging the battery. The drain on the battery is not caused by the engine not running unless an accessory is left on. Most likely, the drain is caused by accessories (radio, lights, etc) while the engine is running due to the battery not receiving its charge from the alternator and then not having enough charge left to start the engine.
If it stays on all the time it will drain the battery
If the engine is running, then no. The alternator constantly keeps the battery charged.
The Legacy subwoofer will really drain your battery. It's not a good idea to run it while you're not running the engine.
something else must be running when the car is off besides the clock.
A stuck relay in the car can drain the battery. A dead cell in the battery itself will drain the battery overnight. If this is the case the battery must be replaced as there is no way to fix it. To find out disconnect the negative battery cable for around 8 hours. If the battery goes dead it has a dead cell. If not then something is draining the battery. Anyplace that sells batteries can test the battery for you.
The wrong spark plug wire(s) can cause engine problems including not running but won't drain the battery.
Battery drain would depend on what else is on, for example headlights, courtesy lights, glove box light etcetra. If there is nothing electrical on then there should be no drain.