Door Locks - Code Alarm CA- 550 Installation Manual

6. DOOR LOCKS

Negative Lock Output / Positive Unlock Output (GREEN)
Negative Unlock Output / Positive Lock Output (BLUE)
Negative Second Door Unlock Output (BLUE/GREEN)
The door lock / unlock outputs are designed to control several different types of systems which may require
additional parts. Please review the wire and location chart to see which type of door lock system is in your
vehicle. The most common types are shown in the diagrams below.
Negative Switching and Negative Switching with 2-step unlock feature:
All Door Lock and Unlock: Locate the lock / unlock wire at the vehicle's lock / unlock switch.
Verification: These wires will register ground when the Lock and Unlock switches are activated.
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 BLUE/GREEN wires shown in diagram 6 below.
Note: When adding the 2 step unlock feature the BLUE/GREEN 2nd door unlock wire will be used to unlock
all vehicle doors on the second press of unlock. An additional SPDT relay (not supplied) (Code Alarm part
HDRLY) is required. Connect the relay as shown in diagram 7 to unlock the driver's door on the first press
of unlock.
Door Lock Switch
From Keyless Entry
Module Or Door
Lock/Unlock Relays
Lock
Unlock
BLUE (-) Unlock Output Or BLUE/RED
(-) 2nd Door Unlock Output When
Installing The 2-step Unlock Feature
Fused +12 Volt
Battery Source
86
Diagram 6
GREEN (-) Lock Output
Vehicle Door Lock
Control Relays
BLUE/GREEN
Diagram 7
87
87a
BLUE (-) Unlock Output
85
30
To Unlock Side Of
X
Driver's Door Actuator
CUT