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© 1999 Directed Electronics, Inc. Vista, CA 25
This system usually requires a negative pulse to unlock, and cutting the wire to lock the door. In some vehicles,
these are reversed. It is found in late-model Nissan Sentras, some Nissan 240SX, and Nissan 300ZX 1992-up. It
is also found in some Mazda MPV's and some Mitsubishi's.
One relay (optional) is used to interface to this type of system as follows:
type F: one-wire system