Pinpoint Test C: The Engine Cranks Slowly
WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before beginning this test, be sure that the battery is tested and fully charged.
- C1 CHECK THE VOLTAGE TO THE STARTER
- Key in OFF position.
- Measure the voltage between the starter motor solenoid positive terminal and ground.
- Is the voltage 12.5 volts or greater?
- Yes : GO to C2.
- No : REPAIR the circuit between the battery and the starter solenoid. CLEAN and TIGHTEN the connections at the battery terminals. TEST the system for normal operation.
- C2 CHECK THE MOTOR GROUND CIRCUIT
- Carry out the motor ground circuit test. Refer to the COMPONENT TESTS .
- Is the ground OK?
- Yes : INSTALL a new starter motor. TEST the system for normal operation.
- No : REPAIR the ground circuit as necessary. TEST the system for normal operation.