It is on the left hinge of the trunk
Yes, if it is the same year.
on my 98 crown vic you have to push in the head light switch
If they are not exposed at the door jambs they may be like the Lincoln and are inside of the door latches Does your door ajar light stay on? anmd interior lights fade when you step on the brake pedal?
Yes.
Crown victoria 98
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Crown Victoria
I doubt it.
5 lug nuts ...
Does your underhood light come on ? or if the key is in the ignition with the drivers door open , do you hear the door chime ? If not , it sounds like a bad battery cable connection or a dead battery
I would assume the 1997 Ford Explorer is heavier than the 1998 Ford Crown Victoria ( especially if the Explorer is 4X4 or AWD or has the 5.0 liter V8 )
It should be a code on the door pillar.
With engine oil filter change , 5.0 quarts ( 4.7 liters )