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© 2001 Directed Electronics, Inc. Vista, CA 21
will excite the transponder, which is located (but not visible) in the head of the ignition key. The key transpon-
der will then send a unique code back to the transceiver for evaluation. If the code matches a valid code of the
system, the vehicle will be allowed to start. Most of these transponder-based systems can be bypassed using p/n
555U. Some may require additional parts from the vehicle manufacturer. Consult you dealer for the applications.
For most Ford PATS transponders, as well as Lexus and Toyotas, p/n 555F can be used, except for the following
vehicles, which will require p/n 555U: ‘97 and newer Mark VII, and 2000 and newer Taurus/Sable,
Contour/Mystique and Focus.
optional anti-grind relay
This unit has anti-grind relay that will prevent the starter from engaging if the ignition key is accidentally turned
to the start position during remote start operation. If the BLUE status output has been programmed for factory
security re-arm, use the BLUE/BLACK optional third ignition output to control the relay.