GM Service Manual Online
For 1990-2009 cars only

Starter Solenoid Clicks, Engine Does Not Crank or Cranks Slowly

Step

Action

Value(s)

Yes

No

DEFINITION: The starter solenoid can be heard to click when the ignition switch is placed in the START position. However, the engine does not crank (rotate) at all or it cranks so slowly that the engine can not start. The battery does display the green dot.

1

Did the Starting System Check bring you here?

 

Go to Step 2

Go to Starting System Check

2

  1. Estimate the battery's internal temperature. If the estimated battery temperature is less than 21 °C (70 °F), then de-rate the battery voltage for the following testing. Refer to Battery Temperature vs Voltage Drop .
  2. Connect a voltmeter between the battery's positive and negative terminals.
  3. Place the Ignition switch in the START position.
  4. After fifteen seconds, observe the battery voltage.
  5. Place the ignition switch in the OFF position.

Did the voltmeter indicate more than the specified voltage with the ignition switch in the RUN position?

9.5 V

Go to Step 4

Go to Step 3

3

Perform the Battery not operating properly diagnosis. Refer to Battery Temperature vs Voltage Drop .

Did the battery pass the Conductance Test?

--

Go to Starting System Check

Replace the battery Battery Replacement

4

Replace the starter. Refer to Starter Motor Replacement .

Is the repair complete?

--

Go to Starting System Check

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5

  1. Connect a voltmeter between the battery's negative terminal and engine block.
  2. Turn the ignition switch to the START position.
  3. Observe the indicated voltage.
  4. Turn the ignition switch to the OFF position.

Did the voltmeter indicate more than the specified voltage with the ignition switch in the START position?

0.5 V

Go to Step 6

Go to Step 7

6

Replace the BLK (450) negative lead from the battery to the engine block and to the sheet metal ground. Refer to Battery Cable .

Are the repairs complete?

--

Go to Starting System Check

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7

  1. Connect a voltmeter between the battery's positive terminal and the starter solenoid positive terminal at the BLK (1) wire.
  2. Turn the ignition switch to the START position.
  3. Observe the indicated voltage.
  4. Turn the ignition switch to the OFF position.

Did the voltmeter indicate more than the specified voltage with the ignition switch in the START position?

0.5 V

Go to Step 8

Go to Step 9

8

Replace the positive battery cable. Refer to Battery Cable .

Is the repair complete?

--

Go to Starting System Check

--

9

Replace the starter. Refer to Starter Motor Replacement .

Is the repair complete?

--

Go to Starting System Check

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