coz i found 1 on the ebay ..
mod chip . plug in to a temprature thing... that was in engine bay ..
http://cgi.ebay.com.au/HSV-VT-VX-VU-...QQcmdZViewItem

http://cgi.ebay.com.au/REAL-Performa...QQcmdZViewItem

like this ? ....

maybe i was wrong