Shifting with out key or pressing break pedal

Kingll

New Member
Jun 8, 2018
12
0
1
21
Mississippi
I bought a 2000 convertible and it can be shifted into any gear with out the key in or pressing the break pedal anyone know how to fix this?
 
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wmburns

SN Certified Technician
Aug 14, 2009
5,517
451
164
Houston Texas
Just wondering. Is there a ton of slop in the ignition key cylinder such that it can be moved enough to actually make things come on without the key in place? It fairly easy and straight forward to replace the ignition key lock cylinder when there's a WORKING key. Replacing the cylinder itself does NOT require PATS to be reprogrammed. However the services of a lock smith may make the process smoother in order to get the new lock cylinder re-keyed to match the original key.

While you are at it, can you check fuses F2.17 and F2.35?

F2.17 should only have power in the run position
F2.35 should only have power when the brake pedal is depressed.

1999-2004 MY fuse panel schedule:
https://www.allfordmustangs.com/forums/4-6l-tech/305933-1999-mustang-gt-2001-motor-swap-wont-fire-please-help.html#post2669271

Also check ground G204 behind the center console. This ground is shared by many devices including the radio and is frequently messed up during a radio install.