Yes
Yes
Need removal and installation instructions for an ignition lock cylinder -- 1999 Grand Cherokee Limited?
no
No.
A 1997 Jeep Grand Cherokee has one ignition coil.
No. They are not interchangeable.
I have a 1997 Grand Cherokee, and my key fits both the door and the ignition.
No.
There wasn't a 2003 Cherokee. The last Cherokee was 2000.
No
The 2002 Jeep Grand Cherokee ignition key brain box is located behind the dashboard. The brain box will be on the drivers side of the dashboard.
A 2000 Jeep does not have a speedometer cable.
yes it will bolt up but not real sure if the wireing is the same