Operation CHARM
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Ford Truck
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1984
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Bronco II 4WD V6-171 2.8L
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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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A: Series With External Voltage Regulator (EVR)
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A15 - Disconnect EVR
A15 - Disconnect EVR
^
Disconnect EVR.
^
Does over voltage go away?
YES --
Replace EVR. Go to A2.
A2 - Base Voltage and No-Load Test
NO --
Service shorted harness between EVR and
alternator
. Go to A2.
A2 - Base Voltage and No-Load Test