GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Entertainment 🢒 Radio Memory Inoperative

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.
  2. Connect a test lampJ 35616-200 from the CKT 1140 (ORN) at the radio to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3
  1. Remove the radio. Refer to Radio Replacement .
  2. Send the radio in for repair.

Is the repair complete?

--

Go to Radio/Audio System Check

--

4

Repair the open in CKT 1140 (ORN) between the radio and the IP fuse block.

Is the repair complete?

--

Go to Radio/Audio System Check

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