Code Alarm CA 170 Installation Instructions Manual page 12

3. DOOR LOCKS
Negative Lock Output / Positive Unlock Output (GREEN)
Negative Unlock Output / Positive Lock Output (BLUE)
Negative Second Door Unlock Output (Lt. GREEN/BLACK)
One Wire Negative Multiplexed and One Wire Negative Multiplexed with 2-step Unlock Feature
All Door Lock and Unlock: Locate the lock / unlock wire at the vehicle's lock / unlock switch.
Verification: This wire will show variable ground when the switch is activated. Please consult the wire and
location chart for specific resistor values for your vehicle.
Driver's Door Unlock: Locate the unlock motor wire directly from the actuator inside the driver's door.
Verification: This wire will rest at ground and register positive voltage when the driver's door is unlocked.
Connect the GREEN and BLUE or Lt. GREEN/BLACK wires shown in the diagram below using (2) SPDT
relays (not supplied).
Note: When adding the 2 step unlock feature the Lt. GREEN/BLACK 2nd door unlock wire will be used to
unlock all vehicle doors on the second press of unlock. An additional SPDT relay (not supplied) is
required. Connect the relay as shown in the diagram below to unlock the driver's door on the first press of
unlock
G R E E N (-) Lock Output
12
G round
87
87a F us ed +12 V olt
B attery S ource
86
85
30
R es is tor
Lock
Unlock
87
87a
86
30
F rom K eyles s E ntry
X
Module or Door
Unlock R elay
C ut
87
87a
86
85
30
V ehicle Door Lock
C ontrol R elays
F us ed +12 V olt
B attery S ouce
B LUE (-) Unlock Output
85
Drivers Door
Unlock Motor Wire
B LUE (-) Unlock Output or
Lt. G R E E N/B LAC K 2nd Unlock
Output for 2 S tep Unlock