oopsy did not notice the link. a quick search and I found this
Features/Specifications 
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ThrustMaster Nascar Charger 2 Steering Wheel  
General Features: 
Bungee cord resistance for that realistic feel 
Stable pedals for quick acceleration and braking 
Four (4) wheel-mounted programmable buttons 
Two (2) steering paddle shifters 
Heavy duty clamping system 
15-pin standard game/midi port connector 
DirectX 7.0 compatible  
Package Includes: 
ThrustMaster Nascar Charger 2 refurbished steering wheel 
Brake and gas pedals 
Clamping system 
Driver CD 
Quick Install guide  
Product Requirements 
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Microsoft Windows 95/98/2000/ME/XP 
486 or faster processor 
Available 15-pin standard game/midi port  
do you have DirectX 7.0  or higher. just a stab in the dark.
$4.00?

? 

  with a shifter !!!! I fill sick  

I just reread your post.... I think I found what the problem is....
go back into mame 32 and turn on mouse...
I do not think MAME sees your steering wheel as a joystick except for the buttons