Air-Cooled Porsche 911 Bosch Starter Motor Bench Test

Porsche 911 DIY Repair Blog: joe-engineer.com/
How to test the function of the OE factory Bosch starter motor out of the car. Per the wiring diagram in the Bentley manual.
Additional Notes:
1. This starter assembly is Bosch P/N 0 001 312 100, 1.5 HP version off a 1983 Porsche 911SC.
2. This solenoid is Bosch P/N 0331 302032
3. Be very careful when bench testing with 12V car batteries.
4. Please take all necessary safety precautions. Not responsible for any personal injury or vehicle damage.
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