It's a 1998:

http://cgi.ebay.ca/Isuzu-Trooper-TROOPER-W-MERCEDES-TURBO-DIESEL-30-MPG-BIODIESEL_W0QQitemZ4607442365QQcategoryZ6269QQrdZ1 QQcmdZViewItem#ebayphotohosting

Awesome combo, but what a nightmare for state/federal/smog testing! Being a 1998, it needs to be OBDII compliant and pass all the associated specs. The CEL and dummy lights must all be 'disabled' on that rig.:banghead:

Joel