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Code Alarm CA 521 Installation Instructions Manual page 7

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2. THIRTEEN PIN HARNESS, CONTINUED
Active Output (-) 300mA (BLUE/BLACK)
The Ignition 3 output wire provides a ground output when the remote start function is activated and remains
active for 4 seconds after the remote start is shutdown. The Ignition 3 output wire can be used for several
functions listed below. If this wire will be used for multiple applications a 1 amp diode is required inline
with the stripe facing the control module.
Factory transponder (coded key) bypass. See your sales associate for details.
General Motors VATS bypass, see diagram 3 below. Use Code Alarm part HDRLY (an SPDT relay, not
included).
Fused +12 Volt
Battery Source
Ignition 3 output, see the diagram on the left below. Use Code Alarm part HDRLY (an SPDT relay, not
included).
Accessory 2/3 output, see the diagram on the right below. Use Code Alarm part HDRLY (an SPDT relay,
not included).
Fused +12 Volt
Battery Source
87
Jump To PINK
87a
Ignition Output
86
Wire From
Control Module
30
To Vehicle's2nd or 3rd
Ignition Wire
Matching Value
Resistor
87
BLUE/BLACK ActiveOutput
87a
Wire
85
86
30
BLUE/BLACK ActiveOutput
Wire
85
Ignition Switch
X CUT
VATS Control Module
Fused +12 Volt
Battery Source
Jump To ORANGE
Accessory Output
86
Wire From
Control Module
To Vehicle's2nd or 3rd
Accessory Wire
7
87
BLUE/BLACK ActiveOutput
87a
Wire
85
30

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