Code Alarm CA- 550 Installation Manual page 12

Code alarm
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2. 22 PIN BASE HARNESS CONTINUED
Hood Pin Input (GRAY)
Install a Hood Pin Switch and connect to the GRAY wire. This connections is required for Remote Start
Verification: This wire when connected will register ground when the vehicle hood is opened
Connect the GRAY wire to the hood pin.
Note: Be sure to loom the wire, and seal the grommet with 3M caulk.
Low Current Horn Output (BROWN/BLACK)
Locate the vehicle's horn wire at the steering column.
Verification: This wire will rest at positive voltage and register ground when the horn switch is pressed.
Connect the BROWN/BLACK wire to the vehicle's horn wire.
Instant Trigger Input (BLUE/WHITE)
This wire is a GROUND input for an external sensor or secondary pin switch
Verification: This wire when connected will trigger the security system
Siren Output (+) (BROWN)
Locate a suitable mounting location in the engine compartment for the siren, away from moving parts.
With the bell of the siren aiming downwards, secure the siren in place using self tapping screws, being
careful not do drill into any hoses, wiring or components.
Connect the BLACK siren wire to a chassis ground using a ring terminal and self tapping screw (not
supplied).
Route the BROWN siren output wire from the control module through the firewall and connect to the RED
wire on the siren.
Note: Be sure to loom the wire/wires, and seal the grommet with 3M caulk.

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