GM Service Manual Online
For 1990-2009 cars only

Radio Poor Reception AM

Step

Action

Yes

No

1

Inspect the audio system for normal operation.

Is AM inoperative and the rest of the system operating properly?

Go to Step 2

System OK

2

Replace the radio.

Did you complete the replacement?

--

System OK

Radio Poor Reception FM

Step

Action

Yes

No

1

  1. Unplug the antenna cable from the antenna.
  2. Connect the test antenna to the antenna cable.
  3. Inspect the FM radio reception.

Is the FM radio operating properly?

Go to Step 2

Go to Step 3

2

Replace the antenna.

Did you complete the replacement?

System OK

--

3

  1. Remove the cassette radio from the instrument panel.
  2. Unplug the antenna cable from the audio system.
  3. Plug the test cable into the audio system.
  4. Inspect the FM radio reception.

Is the FM radio operating properly?

Go to Step 4

Go to Step 5

4

Replace the antenna cable between the audio system and the antenna.

Did you complete the replacement?

System OK

--

5

Replace the cassette radio.

Did you complete the replacement?

System OK

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