GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: The starter solenoid clicks but the engine does not crank or cranks slowly.

1

  1. Verify that battery is fully charged.
  2. Remove Fuse 1.
  3. Connect the voltmeter to positive and negative battery terminals
  4. Crank the engine while measuring voltage.

Is the reading equal to or greater than the specified value?

9.6 V

Go to Step 2

Go to Step 3

2

Measure the voltage between the negative battery terminal and the engine block while cranking the engine.

Is the reading less than the specified value?

0.5 V

Go to Step 5

Go to Step 4

3

Load test the battery. Refer to Battery Load Test .

Is the battery OK?

--

Go to Step 6

Go to Step 7

4

Replace the negative battery cable. For L82 engines, refer to Battery Cable . For LN2 engines, refer to Battery Cable .

Is the repair complete?

--

System OK

--

5

Measure the voltage between the positive battery terminal and solenoid B terminal while cranking the engine.

Is the reading less than the specified value?

0.5 V

Go to Step 6

Go to Step 8

6

Replace the starter motor. Refer to Starter Motor Replacement or Starter Motor Replacement .

Is the repair complete?

--

System OK

--

7

Replace the battery. Refer to Battery Replacement .

Is the repair complete?

--

System OK

--

8

Replace the positive battery cable. For L82 engines, refer to Battery Cable . For LN2 engines, refer to Battery Cable .

Is the repair complete?

--

System OK

--