555T GM Transponder Kit
Bypass the OEM transponder anti-theft systems found on many new General Motors Passlock 1 and 2 plus Pass-Key 1 and 2 Cars, Only bypasses factory anti-theft systems during remote starting, keeping the factory system intact at all other times. Simple six-wire connection for easy installation.
Adjustable resistance settings from 0 to 26.5k ohms.
Find out if your vehicle needs
a Transponder kit Here
We recommend the 555L for easier
installation on GM vehicles