Audiovox CA 4051 Installation Guide download pdf (Page 6)

2 PURPLE/WHITE TACH INPUT

Locate the vehicle’s ignition coil or fuel injector in the engine compartment.

Verification: 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 PURPLE/WHITE wire to the negative side of the vehicle ignition coil

or fuel injector.

3 GRAY HOOD PIN INPUT ( - )

Install a Hood Pin Switch and connect to the GRAY wire. This connection is

required for Remote Start.

Verification: This wire when connected will register ground when the

vehicle's hood is opened.

Connect the GRAY wire to the hood pin.

NOTE: Be sure to loom the wire, and seal the grommet.

4 BROWN/RED BRAKE INPUT ( + )

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.

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Audiovox CA 4051 Installation Guide Page 6