How to Install a Car Stereo Antenna Plug That Is Bigger Than the Adapter?

Written by greyson ferguson
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How to Install a Car Stereo Antenna Plug That Is Bigger Than the Adapter?
Without a car antenna, you are not going to hear any radio signals on the stereo. (Ryan McVay/Photodisc/Getty Images)

When installing a new antenna, there is a wire that runs from the antenna to the rear of your stereo system. The antenna plugs into the stereo's adaptor port, allowing you to listen to your favourite AM or FM stations. However, if the plug on your antenna is too large to fit into the connection port, you need to convert the size down to fit into the stereo. This requires an external adaptor, which converts the size of the antenna down to fit the receiver.

Skill level:
Moderately Easy

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Things you need

  • Adaptor

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  1. 1

    Remove the stereo from your car's front dash. If you have already run into the antenna connection problem, the stereo is most likely out with the dash cover sitting in the garage somewhere. However, if not, power down the vehicle and pull off the front dash cover that surrounds the stereo. The exact method of removal is described in your User's Manual. Typically there are two screws, one on each side of the dash by the floor panel, that when removed allows you to pry off the panel from the dash.

  2. 2

    Plug the antenna's connection port into the adaptor. You can purchase these connection adaptors from an electronics store. There are a few different sized adaptors, so check the measurement of your antenna plug before purchasing the adaptor. This information is printed in the tech specifications of your antenna (in a User's Manual or on the side packaging).

  3. 3

    Insert the opposite end of the adaptor into the "Ant" port on the back of the stereo. Slide the stereo back into the open slot on your dash, then pop the dash covering back onto the vehicle.

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