GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Radio/Audio System Check?

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Go to Step 2

Go to Radio/Audio System Check

2

  1. Disconnect the Radio connector.
  2. Turn the ignition switch to the ON position.
  3. Using a J 35616-200 Unpowered Test Light, frontprobe the radio connector terminal 4 and ground.

Does the test lamp illuminate?

--

Go to Step 3

Go to Step 4

3

  1. Turn the ignition switch to the OFF position.
  2. Test for continuity between the radio connector cavity 9 and ground.

Does continuity exist?

--

Go to Step 5

Go to Step 6

4

Repair the short between the radio connector terminal 4 and terminal 1 of connector C2 of the multifunction alarm module. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

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5

Replace the Radio. Refer to Radio Replacement .

Is the replacement complete?

--

Go to Radio/Audio System Check

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6

Repair the short in the BRN wire between the Radio connector cavity 9 and G202. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

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