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Wiring Description
14-Pin Main Harness
Pin 1 - BLACK: Ground.
Connect to a solid chassis ground. Be sure to use a ring connector of proper size. Scrape
away the paint at the grounding point.
Pin 2 - RED: Main Power (+12v) input [3A fuse].
Connect to constant +12v. A clean source of power is essential. This connection can be
made at either the battery or at the constant power supply wire to the ignition switch. Be
sure to install a fuse near the connection.
included on the wire harness.
Pin 3 - VIOLET: Ignition input (+12v) input.
Connect to a source that maintains +12v when the ignition key is in both the "on" and "start"
positions.
Pin 4 - WHITE: Door Trigger (-) input.
Connect to negative door switch circuit. This circuit will show ground (-) when the door is
open.
Pin 5 - YELLOW: Door Trigger (+12v) input.
Connect to positive door switch circuit. This circuit, commonly found in Ford vehicles, will
show +12v when the door is open.
Pin 6 - WHITE/brown: Hood/Trunk Trigger (-) input.
Connect to negative output from hood and/or trunk switches.
Pin 7 - WHITE/violet: Optional Sensor (-) trigger input.
Connect to the negative trigger output from an optional sensor.
Pin 8 - ORANGE: Siren (+12v) output.
Provides +12v to drive the siren. Connect to the Red siren wire. Connect the Black siren
wire to chassis ground.
Pin 9 - WHITE/green: Door Lock (-) output.
Pin 10 - WHITE/blue: Door Unlock (-) output.
Connect these wires to relays to interface into the vehicle's power door lock system. For
further information, see Door Lock Diagrams .
Passive Door Locking, see Jumper Settings .
Pin 11 - BLUE: Starter Defeat Normally Closed (-) output.
Provides a negative output while the alarm is Armed and during alarming to disable the
vehicle's starter circuits. Connect to the provided Starter Kill Relay socket as shown.
Page 6 - MS3001 / MS3200 Installation Manual
Do not remove or bypass the fuse holder
For selection of 4-second pulse and
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