Code Alarm CA 1550 Installation Manual page 7

4 PURPLE
Locate the vehicle's dome light or door pin switch wire.
Verification: This wire will register positive voltage (POS) when the door is
opened and the interior light is on. This wire will
register ground or "0" Volts when the door is closed and the interior light is
off.
Connect the PURPLE wire to the vehicle's positive door input wire(s).
NOTE: Certain vehicles may require multiple connections. Refer to vehicle
application guide
5 YELLOW
Locate the vehicle's ignition wire at the ignition switch.
Verification: This wire registers voltage when the key is turned to the ON (or
RUN) position. The voltage does not drop out when the key is turned to the
START (or CRANK) position.
Connect the YELLOW wire to the vehicle's Ignition wire.
6 RED/WHITE
Locate the vehicle's trunk release wire at the trunk release switch.
Verification: This wire will register either positive voltage or ground when the trunk
release is activated.
This is a low current output, 500mA.
7 BROWN/BLACK
Locate the vehicle's horn wire.
Verification: This wire will register at positive voltage and register
ground when the horn switch is pressed.
Connect the BROWN/BLACK wire to the vehicle's horn wire. This is a low current
output, 500mA.
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DOOR TRIGGER INPUT ( + )
IGNITION INPUT ( + )
TRUNK RELEASE OUTPUT ( - )
HORN OUTPUT ( - )
7