Code Alarm CA- 550 Installation Manual page 10

Code alarm
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Starter Input (Key Side) (GREEN)
Starter Output (Motor Side) (PURPLE)
Locate the vehicle starter wire.
Verification: This wire registers voltage only when the key is turned to the START position. Cut the vehicle
starter wire in half.
Verification after starter wire is cut:
• KEY SIDE of starter wire registers voltage when the key is turned to the START position.
• MOTOR SIDE of starter wire registers no voltage.
Connect the GREEN wire to the KEY SIDE of the vehicle starter wire at the ignition switch harness.
Connect the PURPLE wire to the MOTOR SIDE of the vehicle starter wire.
2. BASIC INSTALLATION - 22 PIN BASE HARNESS
Dome Light Supervision Output (+/-) (BLACK/WHITE)
Locate the vehicle's dome light or pin switch wire
Verification: This wire will register positive voltage or ground when the vehicle's dome is turned ON. Typically
this wire is installed with the door trigger input wire. Refer to NEG/POS door input for reference.
To select Negative or Positive polarity output.:
Refer to Fuse Placement Diagram below
Positive Polarity Output
(+)
(-)
Negative Polarity Output
(+)
(-)

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