[cutoffs involving tying into the brake lines.] The idea is OK, sounds like somebody(s) bodged the job No, the idea sucks. If you're going to mess with a safety-critical subsystem in a system that regularly operates at easilly fatal energy levels, all in the name of security, then security better be safety-critical as well. I don't think preventing a stole car qualifies. Perhaps if we were talking about an armed tank :-) BillW -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads