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Makes 🢒 Chevrolet 🢒 1998 🢒 Chevrolet C-Series Medium Duty Truck B7 🢒 Engine 🢒 Engine Electrical 🢒 Starter Solenoid Does Not Click

Starter Solenoid Does Not Click Cat Diesel and Auto Trans

The Engine Will Not Crank and The Starter Solenoid Does Not Click (Cat® Diesel Engine with Automatic Transmission)

Step

Action

Value(s)

Yes

No

1
  1. Verify that the battery voltage is appropriate for the battery temperature. Refer to Battery Temperature and Minimum Voltage in General Specifications .
  2. Connect a test lamp from CKT 6 (PPL) at the starter solenoid terminal S to the chassis ground.
  3. Place the transmission in the NEUTRAL position.
  4. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 14

Go to Step 2

2
  1. Connect a test lamp from CKT 6 (PPL) at the starter relay to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 15

Go to Step 3

3

Connect a test lamp from CKT 2 (RED) at the starter relay to the chassis ground.

Does the test lamp light ?

--

Go to Step 4

Go to Step 16

4
  1. Connect a test lamp from CKT 434 (ORN/BLK) at the starter relay harness connector to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5
  1. Connect a jumper wire from CKT 150 (BLK) at the starter relay harness connector to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 17

Go to Step 18

6

Is the vehicle equipped with a starter thermal switch?

--

Go to Step 7

Go to Step 10

7
  1. Connect a test lamp from terminal A of the starter thermal switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 19

Go to Step 8

8
  1. Connect a test lamp from terminal B of the starter thermal switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 20

Go to Step 9

9
  1. Connect a test lamp from terminal B of the neutral position switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 21

Go to Step 11

10
  1. Connect a test lamp from terminal B of the neutral position switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 22

Go to Step 11

11
  1. Connect a test lamp from terminal A of the neutral position switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 23

Go to Step 12

12
  1. Connect a test lamp from CKT 5 (YEL) at terminal A of the ignition switch connector C1 to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 24

Go to Step 13

13

Connect a test lamp from CKT 642 (RED) at terminal D of the ignition switch connector C1 to the chassis ground.

Does the test lamp light?

--

Go to Step 25

Go to Step 26

14
  1. Clean the following components:
    2. • The starter motor mounting bolts
    • The starter motor
    • The mounting surface.
  2. Test the starter.

Does the starter engage?

--

System OK

Go to Step 27

15

Locate and repair the open in CKT 6 (PPL) between the starter relay and the starter solenoid.

Is the repair complete?

--

System OK

--

16

Locate and repair the open in CKT 2 (RED) between the starter relay and the fusible link.

Is the repair complete?

--

System OK

--

17

Locate and repair the open in CKT 150 (BLK) between the starter relay and G401.

Is the repair complete?

--

System OK

--

18

Replace the starter relay.

Is the repair complete?

--

System OK

--

19

Locate and repair the open in CKT 434 (BLK) between the starter thermal switch and the starter relay.

Is the repair complete?

--

System OK

--

20

Replace the starter thermal switch.

Is the repair complete?

--

System OK

--

21

Locate and repair the open in CKT 434 (ORN/BLK) between the neutral position switch and the starter thermal switch.

Is the repair complete?

--

System OK

--

22

Locate and repair the open in CKT 434 (ORN/BLK) between the neutral position switch and the starter relay.

Is the repair complete?

--

System OK

--

23

Inspect the neutral position switch for proper adjustment.

Was switch adjustment required?

--

System OK

Go to Step 28

24

Locate and repair the open in CKT 5 (YEL) or CKT 806 (PPL) between the ignition switch and the neutral position switch.

Is the repair complete?

--

System OK

--

25

Replace the ignition switch.

Is the repair complete?

--

System OK

--

26

Locate and repair the open in CKT 642 (RED) between the ignition switch and the MaxiFuse® block 2.

Is the repair complete?

--

System OK

--

27

Replace the starter.

Is the repair complete?

--

System OK

--

28

Replace the neutral position switch.

Is the repair complete?

--

System OK

--

Starter Solenoid Does Not Click GM Diesel and Auto Trans

The Engine Will Not Crank and The Starter Solenoid Does Not Click (GM Diesel Engine with Automatic Transmission)

Step

Action

Value(s)

Yes

No

1
  1. Verify that the battery voltage is appropriate for the battery temperature. Refer to Battery Temperature and Minimum Voltage in General Specifications .
  2. Connect a test lamp from CKT 6 (PPL) at starter solenoid terminal S to the chassis ground.
  3. Place the transmission in the NEUTRAL position.
  4. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 10

Go to Step 2

2
  1. Connect a test lamp from CKT 6 (PPL) at the starter relay to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 11

Step 3

3

Connect a test lamp from CKT 542 (RED) terminal C3 at the starter relay to the chassis ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 12

4
  1. Connect a test lamp from CKT 434 (ORN/BLK) at starter relay harness connector terminal B3 to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5
  1. Connect a jumper wire from CKT 150 (BLK) at the starter relay harness connector to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 13

Go to Step 14

6
  1. Connect a test lamp from terminal B of the neutral position switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light.

--

Go to Step 15

Go to Step 7

7
  1. Connect a test lamp from terminal A of the neutral position switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 16

Go to Step 8

8
  1. Connect a test lamp from CKT 5 (YEL) at terminal A of the ignition switch connector C1 to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 17

Go to Step 9

9

Connect a test lamp from CKT 642 (RED) at terminal D of the ignition switch connector C1 to ground.

Does the test lamp light?

--

Go to Step 18

Go to Step 19

10
  1. Clean the following components:
    2. • The starter motor mounting bolts
    • The starter motor
    • The mounting surface
  2. Test the starter.

Does the starter engage?

--

System OK

Go to Step 20

11

Locate and repair the open in CKT 6 (PPL) between the starter relay and the starter solenoid.

Is the repair complete?

--

System OK

--

12

Locate and repair the open in CKT 542 (RED) between the starter relay and the starter MaxiFuse®.

Is the repair complete?

--

System OK

--

13

Locate and repair the open in CKT 150 (BLK) between the starter relay and G102.

Is the repair complete?

--

System OK

--

14

Replace the starter relay.

Is the repair complete?

--

System OK

--

15

Locate and repair the open in CKT 434 (ORN/BLK) between the neutral position switch and the starter relay.

Is the repair complete?

--

System OK

--

16

Inspect the neutral position switch for proper adjustment.

Was adjustment required?

--

System OK

Go to Step 21

17

Locate and repair the open in the CKT 5 (YEL), CKT 48 (GRY) or CKT 806 (PPL) between the ignition switch and the neutral position switch.

Is the repair complete?

--

System OK

--

18

Replace the ignition switch.

Is the repair complete?

--

System OK

--

19

Locate and repair the open in CKT 642 (RED) between the ignition switch and the MaxiFuse® block.

Is the repair complete?

--

System OK

--

20

Replace the starter.

Is the repair complete?

--

System OK

--

21

Replace the neutral position switch.

Is the repair complete?

--

System OK

--

Starter Solenoid Does Not Click Cat Diesel and Manual Trans

The Engine Will Not Crank and The Starter Solenoid Does Not Click (Cat® Diesel Engine with Manual Transmission)

Step

Action

Value(s)

Yes

No

1
  1. Verify that the battery voltage is appropriate for the battery temperature. Refer to Battery Temperature and Minimum Voltage in General Specifications
  2. Connect a test lamp from CKT 6 (PPL) at starter solenoid terminal S to the chassis ground.
  3. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 10

Go to Step 2

2
  1. Connect a test lamp from CKT 6 (PPL) at the starter relay to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 11

Go to Step 3

3

Connect a test lamp from CKT 542 (RED) terminal C3 at the starter relay to the chassis ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 12

4
  1. Connect a test lamp from CKT 434 (ORN/BLK) at the starter relay harness connector terminal to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5
  1. Connect a jumper wire from CKT 150 (BLK) at the starter relay harness connector to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 13

Go to Step 14

6
  1. Connect a test lamp from CKT 6 (PPL) at terminal B of the starter interlock clutch switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light.

--

Go to Step 15

Go to Step 7

7
  1. Connect a test lamp from CKT 48 (GRY) at terminal A of the starter interlock clutch switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 16

Go to Step 8

8
  1. Connect a test lamp from CKT 5 (YEL) at terminal A of the ignition switch connector C1 to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 17

Go to Step 9

9

Connect a test lamp from CKT 642 (RED) at terminal D of the ignition switch connector C1 to ground.

Does the test lamp light?

--

Go to Step 18

Go to Step 19

10
  1. Clean the following components:
    2. • The starter motor mounting bolts
    • The starter motor
    • The mounting surface
  2. Test the starter.

Does the starter engage?

--

System OK

Go to Step 20

11

Locate and repair the open in CKT 6 (PPL) between the starter relay and the starter solenoid.

Is the repair complete?

--

System OK

--

12

Locate and repair the open in CKT 542 (RED) between the starter relay and the starter MaxiFuse®.

Is the repair complete?

--

System OK

--

13

Locate and repair the open in CKT 150 (BLK) between the starter relay and G102.

Is the repair complete?

--

System OK

--

14

Replace the starter relay.

Is the repair complete?

--

System OK

--

15

Locate and repair the open in CKT 806 (PPL) or CKT 434 (ORN/BLK) between the starter interlock clutch switch and the starter relay.

Is the repair complete?

--

System OK

--

16

Replace the starter interlock clutch switch.

Is the repair complete?

--

System OK

--

17

Locate and repair the open in CKT 5 (YEL) or CKT 48 (GRY) between the ignition switch and the starter relay.

Is the repair complete?

--

System OK

--

18

Replace the ignition switch.

Is the repair complete?

--

System OK

--

19

Locate and repair the open in CKT 642 (RED) between the ignition switch and the MaxiFuse® block.

Is the repair complete?

--

System OK

--

20

Replace the starter.

Is the repair complete?

--

System OK

--

Starter Solenoid Does Not Click GM Diesel and Manual Trans

The Engine Will Not Crank and The Starter Solenoid Does Not Click (GM Diesel Engine with Manual Transmission)

Step

Action

Value(s)

Yes

No

1
  1. Verify that the battery voltage is appropriate for the battery temperature. .
  2. Connect a test lamp from CKT 6 (PPL) at starter solenoid terminal S to the chassis ground.
  3. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 10

Go to Step 2

2
  1. Connect a test lamp from CKT 6 (PPL) at the starter relay to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 11

Go to Step 3

3

Connect a test lamp from CKT 542 (RED) terminal C3 at the starter relay to the chassis ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 12

4
  1. Connect a test lamp from CKT 434 (ORN/BLK) at the starter relay harness connector to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5
  1. Connect a jumper wire from CKT 150 (BLK) at the starter relay harness connector to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 13

Go to Step 14

6
  1. Connect a test lamp from CKT 806 (PPL) at terminal B of the starter interlock clutch switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light.

--

Go to Step 15

Go to Step 7

7
  1. Connect a test lamp from CKT 48 (GRY) at terminal A of the starter interlock clutch switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 16

Go to Step 8

8
  1. Connect a test lamp from CKT 5 (YEL) at terminal A of the ignition switch connector C1 to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 17

Go to Step 9

9

Connect a test lamp from CKT 642 (RED) at terminal D of the ignition switch connector C1 to ground.

Does the test lamp light?

--

Go to Step 18

Go to Step 19

10
  1. Clean the following components:
    2. • The starter motor mounting bolts
    • The starter motor
    • The mounting surface
  2. Test the starter.

Does the starter engage?

--

System OK

Go to Step 20

11

Locate and repair the open in CKT 6 (PPL) between the starter relay and the starter solenoid.

Is the repair complete?

--

System OK

--

12

Locate and repair the open in CKT 542 (RED) between the starter relay and the starter MaxiFuse®.

Is the repair complete?

--

System OK

--

13

Locate and repair the open in CKT 150 (BLK) between the starter relay and G102.

Is the repair complete?

--

System OK

--

14

Replace the starter relay.

Is the repair complete?

--

System OK

--

15

Locate and repair the open in CKT 806 (PPL) or CKT 434 (ORN/BLK) between the starter interlock clutch switch and the starter relay.

Is the repair complete?

--

System OK

--

16

Replace the starter interlock clutch switch.

Is the repair complete?

--

System OK

--

17

Locate and repair the open in CKT 5 (YEL) or CKT 48 (GRY) between the ignition switch and the starter interlock clutch switch.

Is the repair complete?

--

System OK

--

18

Replace the ignition switch.

Is the repair complete?

--

System OK

--

19

Locate and repair the open in CKT 642 (RED) between the ignition switch and the MaxiFuse® block.

Is the repair complete?

--

System OK

--

20

Replace the starter.

Is the repair complete?

--

System OK

--

Starter Solenoid Does Not Click Gas and Auto Trans

Step

Action

Value(s)

Yes

No

1
  1. Verify that the battery voltage is appropriate for the battery temperature. Refer to Battery Temperature and Minimum Voltage in General Specifications.
  2. Connect a test lamp from CKT 6 (PPL) at starter solenoid terminal S to the chassis ground.
  3. Place the transmission in the NEUTRAL position.
  4. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 10

Go to Step 2

2
  1. Connect a test lamp from CKT 6 (PPL) at the starter relay to chassis ground.
  2. Place the ignition switch in the START position.

Did the test lamp light?

--

Go to Step 11

Go to Step 3

3

Connect a test lamp from CKT 542 (RED) terminal  C3 at the starter relay to chassis ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 12

4
  1. Connect a test lamp from CKT 434 (ORN/BLK) at starter relay harness connector terminal B3 to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5
  1. Connect a jumper wire from CKT 150 (BLK) at the starter relay harness connector to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 13

Go to Step 14

6
  1. Connect a test lamp from terminal B of the neutral position switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Did the test lamp light?

--

Go to Step 15

Go to Step 7

7
  1. Connect a test lamp from terminal A of the neutral position switch to the chassis ground.
  2. Hold the ignition in the START position.

Does the test lamp light?

--

Go to Step 16

Go to Step 8

8
  1. Connect a test lamp from CKT 5 (YEL) at terminal a of the ignition switch connector C1 to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 17

Go to Step 9

9

Connect a test lamp from CKT 642 (RED) at terminal D of the ignition switch connector C1 to ground.

Does the test lamp light?

--

Go to Step 18

Go to Step 19

10
  1. Clean the following components:
    2. • The starter mounting bolts
    • The starter motor
    • The mounting surface
  2. Test the starter.

Does the starter engage?

--

System OK

Go to Step 20

11

Locate and repair the open in CKT 6 (PPL) between the starter relay and the starter solenoid.

Is the repair complete?

--

System OK

--

12

Locate and repair the open in CKT 542 (RED) between the starter relay and the starter MaxiFuse®.

Is the repair complete?

--

System OK

--

13

Locate and repair the open in CKT 150 (BLK) between the starter relay and G102.

Is the repair complete?

--

System OK

--

14

Replace the starter relay.

Is the repair complete?

--

System OK

--

15

Locate and repair the open in CKT 434 (ORN/BLK) between the neutral position switch and the starter relay.

Is the repair complete?

--

System OK

--

16

Inspect the neutral position switch for proper adjustment.

Was adjustment required?

--

System OK

Go to Step 21

17

Locate and repair the open in CKT 5 (YEL), CKT 48 (GRY), or CKT 806 (PPL) between the ignition switch and the neutral position switch.

Is the repair complete?

--

System OK

--

18

Replace the ignition switch.

Is the repair complete?

--

System OK

--

19

Locate and repair the open in CKT 642 (RED) between the ignition switch and the MaxiFuse® block.

Is the repair complete?

--

System OK

--

20

Replace the starter.

Is the repair complete?

--

System OK

--

21

Replace the neutral position switch.

Is the repair complete?

--

System OK

--

Starter Solenoid Does Not Click Gas and Manual Trans

Step

Action

Value(s)

Yes

No

1
  1. Verify that the battery voltage is appropriate for the battery temperature. Refer to Battery Temperature and Minimum Voltage in General Specifications.
  2. Connect a test lamp from CKT 6 (PPL) at starter solenoid terminal S to the chassis ground.
  3. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 10

Go to Step 2

2
  1. Connect a test lamp from CKT 6 (PPL) at the starter relay to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 11

Go to Step 3

3

Connect a test lamp from CKT 542 (RED) terminal C3 at the starter relay to the chassis ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 12

4
  1. Connect a test lamp from CKT 434 (ORN/BLK) at starter relay harness connector to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5
  1. Connect a jumper wire from CKT 150 (BLK) at the starter relay harness connector to the chassis ground.
  2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 13

Go to Step 14

6
  1. Connect a test lamp from CKT 806 (PPL) at terminal B of the starter interlock clutch switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 15

Go to Step 7

7
  1. Connect a test lamp from CKT 48 (GRY) at terminal A of the starter interlock clutch switch to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 16

Go to Step 8

8
  1. Connect a test lamp from CKT 56 (YEL) at terminal A of the ignition switch connector C1 to the chassis ground.
  2. Hold the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 17

Go to Step 9

9

Connect a test lamp from CKT 642 (RED) at terminal D of the ignition switch connector C1 to ground.

Does the test lamp light?

--

Go to Step 18

Go to Step 19

10
  1. Clean the following components:
    2. • The starter motor mounting bolts
    • The starter motor
    • The mounting surface
  2. Test the starter.

Does the starter engage?

--

System OK

Go to Step 20

11

Locate and repair the open in CKT 6 (PPL) between the starter relay and the starter solenoid.

Is the repair complete?

--

System OK

--

12

Locate and repair the open in CKT 542 (RED) between the starter relay and the starter MaxiFuse®.

Is the repair complete?

--

System OK

--

13

Locate and repair the open in CKT 150 (BLK) between the starter relay and G102.

Is the repair complete?

--

System OK

--

14

Replace the starter relay.

Is the repair complete?

--

System OK

--

15

Locate and repair the open in CKT 806 (PPL) or CKT 434 (ORN/BLK) between the starter interlock clutch switch and the starter relay.

Is the repair complete?

--

System OK

--

16

Replace the starter interlock clutch switch.

Is the repair complete?

--

System OK

--

17

Locate and repair the open in CKT 5 (YEL) or CKT 48 (GRY) between the ignition switch and the starter interlock clutch switch.

Is the repair complete?

--

System OK

--

18

Replace the ignition switch.

Is the repair complete?

--

System OK

--

19

Locate and repair the open in CKT 642 (RED) between the ignition switch and the Maxifuse® block.

Is the repair complete?

--

System OK

--

20

Replace the starter.

Is the repair complete?

--

System OK

--