GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Exterior Lights System Check?

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Go to Step 2

Go to Exterior Lights System Check

2

  1. Disconnect the connector at the torque converter clutch (TCC)/stoplamp switch.
  2. Connect a J 35616-200 between the TCC/stoplamp switch connector, cavity F for CKT 17 (WHT), and ground.
  3. Place the ignition switch in the RUN position.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

  1. Adjust the TCC/stoplamp switch.
  2. Replace the TCC/stoplamp switch, as necessary.

Is the repair complete?

--

Go to Exterior Lights System Check

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4

Repair the short to voltage in CKT 17 (WHT) between the TCC/stoplamp switch and the center high-mounted lamps.

Is the repair complete?

--

Go to Exterior Lights System Check

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