GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster System Check?

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Go to Step 2

Go to Instrument Cluster System Check

2

  1. Disconnect the oil pressure switch connector.
  2. Connect a J 36169-A fused jumper from the oil pressure switch connector to chassis ground.

Does the oil pressure indicator light?

--

Go to Step 3

Go to Step 4

3

Replace the oil pressure switch.

Is the repair complete?

--

Go to Instrument Cluster System Check

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4

  1. Disconnect the instrument panel cluster assembly connector C1.
  2. Connect a J 39200 digital multimeter from the connector C1 cavity 1 to chassis ground.
  3. Measure the resistance.

Is the resistance greater than the specified value?

0.5 ohms

Go to Step 5

Go to Step 6

5

Repair the open in the YEL/BLK wire between the instrument panel cluster assembly and the oil pressure switch. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Instrument Cluster System Check

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6

Repair or replace the instrument panel cluster printed circuit.

Is the repair complete?

--

Go to Instrument Cluster System Check

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