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Code Alarm CA 521 Installation Instructions Manual page 4

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2. THIRTEEN PIN HARNESS
Chassis Ground Source (-) (BLACK)
Connect the BLACK wire to a solid chassis ground point using the supplied ring terminal and 1/2" long
screw. Scrape away paint from the grounding point to ensure a good connection. The recommended
grounding point is a painted metal surface in the driver's side kick panel area.
Note: Do not ground the BLACK wire with any other vehicle components.
Hood Pin Input / Shutdown (-) (GRAY)
Mount the supplied hood pin switch in an area allowing the hood to depress the switch at least 1/4" when
closed. Use care to make sure the hood pin switch is mounted away from water drain paths. If necessary,
the included bracket may be used to mount the hood pin switch away from rain gutters or for mounting
against the fire wall. Carefully check behind the chosen location for fluid lines or electrical wiring. The hood
pin switch must be mounted into a metal chassis ground surface.
For direct mounting, drill a 1/4" hole and thread the hood pin switch into the hole and tighten with a 7/16"
nut driver.
Route the GRAY wire through an existing grommet (if available) in the firewall and connect to the mounted
hood pin switch.
The hood pin switch will prevent the vehicle from remote starting if the vehicle's hood is open.
Failure to install the hood pin switch may result in personal injury or property damage.
Brake Input/Shutdown (+) (BROWN/RED)
Locate the vehicle's brake light wire at the brake pedal mounted switch.
Verification: This wire registers positive voltage when the brake pedal is pressed.
Connect the BROWN/RED wire to the vehicle's brake light wire.
IMPORTANT!
4

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