Code Alarm CA- 550 Installation Manual page 14

2. 22 PIN BASE HARNESS CONTINUED
Song Bird Output (BROWN/WHITE) SB1 Accessory required
This wire controls the SB1 accessory (Not Included)
Connect this wire to one of the WHITE/BLACK wires from the SB1
Trunk Pin Switch Input (-) (BLUE)
Connect the BLUE wire to an optional grounding type trunk pin switch.
Trunk Release Output (+/-) (PINK)
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.
Positive Polarity Systems:
Connect the PINK wire to the vehicle's trunk release wire. Refer to Fuse Placement Diagram below
Negative Polarity Systems:
Connect the PINK wire to the vehicle's trunk release wire. Refer to Fuse Placement Diagram below
Positive Polarity Output
(+)
(-)
Vehicle Tach Signal (18 AWG) (VIOLET/WHITE)
Locate the vehicle's ignition coil or fuel injector in the engine compartment.
Verification: Refer to Vehicle Wire Color and Location Chart for the wire color and location, or test using the
following procedure:
1. Set voltmeter to AC VOLTS.
2. Attach positive lead of a volt meter to a constant 12-volt source.
3. Attach negative lead of a volt meter to the wire to be tested.
4. Start the engine.
5. Have someone press on the gas pedal slightly as you monitor the meter. If connected to the correct wire,
the voltage reading will increase as the engine's RPM increases.
Connect the VIOLET/WHITE wire to the negative side of the vehicle ignition coil or fuel injector.
Negative Polarity Output
(+)
(-)