There are three wires to the back of the pot... one for left one for right... one center (ground) if either of these is disconnected the game will think the steering is hard (8) that way... I opened if up and bam, wire off... solder and works fine... Now two weeks ago I fixed it a little differently... it was the location of the pot this time... the pot is gear drivin and someone cranked the steering so hard that the pot slipped at the gear... I was able to gently raise (bend) the pot above the gear and rotate it to center using the test screen... then bend it back inline with the gear... you cant calibrate the steering like you can say a light gun but it will tell you the value (1-8) of the pot... ie left 4, right 6... 0 center. Hope this helps you out. Open it up and have fun... might want to get those test screen wires connected but you shouldnt need them, youll just need to trial and error it a bit...