Operation CHARM
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Ford Truck
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1993
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E 150 Van L6-300 4.9L
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Repair and Diagnosis
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Starting and Charging
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Charging System
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Testing and Inspection
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Pinpoint Tests
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B: Series With Internal Voltage Regulator (IVR)
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B13 - Regulator Ground Check
B13 - Regulator Ground Check
^
Check for loose regulator ground screws.
YES --
Service loose ground screws. Go to B2.
B2 - Base Voltage and No Load Test
NO --
Go to B14.
B14 - Eng Ground Check