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View Full Version : auto swap out help



stangfever
10-16-2011, 05:54 PM
I started collecting parts to swap out the lx since I haven't gotten any interest so imma make it a 5spd ..

However I was told that since the car is an auto I have to change the harness and comp ....

Is this true ... I remember swapping a few back in the day but don't ever remember changing the comp or harness ....

Any help or advise would be great !!

Thanks

cwh19
10-16-2011, 06:36 PM
You can modify the tranny harness to work, which is what I did, but you can get the correct one on corral for pretty cheap. When I put my car back together this winter I will be buying the correct one. As far as computer, if you have an sct chip, the auto functions can be turned off, which is also what i did. Auto computer with a chip turning it off.

mustang50lx
10-16-2011, 06:38 PM
If it is a Fox body you have to change a small wiring harness that goes to the tranny. There is also a couple shunts that need delt with. I can't remember if you take them out or put them in when going to a 5 speed. The auto computer will work. However if you swap to an A9L stick computer you have to change the O2 harness or you will ruin the computer.

White5.0
10-16-2011, 06:58 PM
you do not need to change the computer if it is a foxbody.... using an A9L or A9P computer will work perfectly fine. The tunes between the two differ very slightly

jaa55
10-16-2011, 07:02 PM
I have the trans harness

stangfever
10-17-2011, 09:59 AM
I have the trans harness

How much ?

jaa55
10-17-2011, 12:05 PM
Pm'd