Add An Auxiliary Input To Your Vehicle Stock Radio

By Ludwig Wylde

An auxiliary input lets you to connect an external stereo device to your own vehicle's head unit. Linking the AUX port requires bridging the signal input to your own car's stereo deck with both an FM transmitter or FM modulator. The FM transmitter connects to the deck by way of wireless signals, or signals competing with radio waves, which leads to degradation of signal power. Use an FM modulator to reliably link your external devices for your vehicle's stereo system.

Raise the vehicle's hood to obtain the battery. Use an adjustable socket wrench to loosen the bolt that holds the negative battery cable clamp to the battery's negative terminal. Move to the interior of the vehicle.

Remove the factory stereo deck. Consult the automobile repair manual for advice. Typical measures include employing a trim panel removal tool to take out the dash panels. Remove the screws on either side of the stereo unit with the screwdriver, and slide the deck from the vehicle's stereo mounting dock.

Disconnect the stereo wiring connectors from the retailers on the back of the head unit. Connect the car's stereo wiring leads to the wiring harness adapter lead. Obey the color code on the wiring harness for guidance in joining the wiring properly. Plug the wiring harness adapter leads to the accompanying outlets on the back of the unit.

Follow the colorcode on the leads or consult the wiring harness manual for a diagram to guide your links.

Disconnect the antenna lead from the back of the stereo and plug it into the antenna input on the FM modulator. Plug the FM modulator's antenna cable into the FM/AM antenna input on the back of the stereo unit.

Set the FM modulator's chief box in the back of the stereo dock or in the adjoining glove compartment. Slide the stereo back into the stereo dock and replace the screws with the screwdriver.

Feed the FM modulator's direct to the glove compartment or down to the storage area under the head unit. The road to feed the FM modulator's lead depends on your own specific car. Consult the repair manual for methods to route the lead so it is accessible for connection to the external device.

Replace the dash panels go back to the battery and as described in the repair manual. Replace the negative battery cable clamp onto the negative battery lead. Tighten the bolt to secure the cable's clamp to the terminal. Shut the vehicle's hood.

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