3Com X3 owner manual HC3 Black 3-Pin Door Lock Harness, Optional Wiring Diagrams

Wiring (continued)

HC3: Black 3-Pin Door Lock Harness

Blue Wire: (-) Door Unlock Control

Connect the Blue wire to the unlock wire from the door lock switch. If the door locking system is not a (-) trigger system, additional relays will be required.

Green Wire: (-) Door Lock Control

Connect the Green wire to the lock wire from the door lock switch. f the door locking system is not a (-) trigger system, additional relays will be required.

3 Wire Ground Trigger Door Lock System
Green Wire: Connect to Lock	Lock Control
Blue Wire: Connect to Unlock	Switch
	(-) Lock Out
Black 3-Pin
Mini Connector	Ground Input
To Door Lock	(-) Unlock Out
Control Relays

P1: LED Status Indicator

P2: Valet Switch

Optional Wiring Diagrams

Red/White Wire: (When programmed for (-) 2nd Unlock Output)

When Programmed for this function, the Red/White wire provides a second (-) unlock output to unlock the passenger’s doors. Use the “Blue Wire” on the Black 3 pin connector to unlock the drivers door.

Unlock Driver's Door First for 3-Wire Negative Door Lock Systems
Green Wire
Blue Wire		87
Red/White Wire		87A	+12V
	85		ALA984H
		86
	Lock	30	Relay
Driver's Door					Passenger's
Switch	Unlock		Lock	Unlock	Door Switch
To +12V or Ground
			Door Lock Relay		To +12V or Ground
Driver's Door	Unlock Wire	Cut	Control Module		Passenger's Door

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