Starter Motor: Testing and Inspection: Diagnosis and Testing

Fig. 2 Electrical Connections For Pull-in Test:

Pull-In Test
Connect battery ground leads to starter motor as shown in Fig. 2, then positive lead to terminal 50. Pinion should extend when lead connections are made. If starter motor does not operate as specified, repair or replace starter motor as necessary.

Fig. 3 Electrical Connections For Hold-in Test:

Hold-In Test
Disconnect lead from terminal C as shown in Fig. 3. Pinion should be held in extended position. If starter motor does not operate as specified, repair or replace starter motor as necessary.

Fig. 4 Electrical Connections For Return Test:

Return Test
1. Connect two battery ground leads to terminal 50 and to switch body as shown in Fig. 4.
2. Connect battery positive lead to terminal C.
3. Disconnect lead from terminal 50. Pinion should return immediately.
4. If starter motor does not operate as specified, repair or replace starter motor as necessary.