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