GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Starting and Charging Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

1

Did you perform the Engine Electrical Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Engine Electrical

2

Turn the ignition to the START position.

Does the starter solenoid click?

Go to Step 3

Go to Step 5

3

Did the engine crank and run?

Go to Symptoms - Engine Electrical

Go to Step 4

4

Did the engine crank, run and stall?

Go to Diagnostic System Check - Theft Deterrent in Theft Deterrent

Go to Step 5

5

  1. Turn OFF the ignition.
  2. Disconnect the crank signal circuit to the starter solenoid.
  3. Connect a test lamp between the crank signal circuit of the starter and a good ground.
  4. Turn the ignition to the CRANK position.

Does the test lamp illuminate?

Go to Step 7

Go to Step 6

6

Test the control circuit of the starter solenoid for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

System OK

Go to Step 9

7

Inspect for poor connections at the ignition switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

System OK

Go to Step 8

8

Inspect for poor connections at the starter solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

System OK

Go to Step 10

9

Replace the ignition switch. Refer to Ignition and Start Switch Replacement in Instrument Panel, Gages, and Console.

Did you complete the replacement?

Go to Step 11

--

10

Replace the starter motor. Refer to Starter Motor Replacement .

Did you complete the replacement?

Go to Step 11

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11

Operate the system for which the symptom occurred.

Is the symptom still present?

Go to Step 2

System OK