Has the vehicle been inspected for diagnostic trouble codes (DTC's)?

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Go to Step 2

Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.1L or Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.8L

Is the speedometer inoperative?

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Go to Step 3

Go to Gages Inoperative - All

1. Disconnect the powertrain control module (PCM) connector C1.
2. Turn the ignition switch to the RUN position.

Does the charge warning indicator light?

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Go to Step 4

Go to Step 5

1. Inspect CKT 25 for a short to ground.
2. If OK, replace the instrument cluster. Refer to Instrument Cluster Replacement .
3. Inspect the system.

Is the repair complete?

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System OK

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1. Connect a fused 3 amp jumper between the PCM harness connector terminal 36 and ground.
2. Turn the ignition switch to the RUN position.

Does the charge warning indicator light?

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Go to Charging System Check in Engine Electrical

Go to Step 6

Inspect for a poor connection or an open in CKT 25.

Does a poor connection or an open exist in CKT 25?

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Go to Step 7

Go to Step 8

1. Repair the poor connection or the open in CKT 25.
2. Inspect the system.

Is the repair complete?

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System OK

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1. Inspect the warning indicator bulb and the bulb connection.
2. If OK, replace the instrument cluster. Refer to Instrument Cluster Replacement .
3. Inspect the system.

Is the repair complete?

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System OK

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