I swaped my old f23a4 motor with aoto trans due to both blowing. I have anothe f23a4 motor with a manuel tranny an the scrao yard I got the motor at wont let u pull them your self. So they cut the engine wiring harness off at the firewall if I get a. New engine wiring harness will that match up to the auto dash harness or do I need to change out the whole dash harness with fuse boxes ECT. I need help asap on this.