Undercharge Symptoms - Borg Warner Delco Remy 28MT Diagnostic Procedures Manual

2-2. UNDERCHARGE SYMPTOMS

• Slow or no cranking
• Low voltmeter reading
• Dim lights/slow turn signal flashers
TIGHTEN BELT TO
MANUFACTURER
TENSION SPECS
START VEHICLE
CHECK ALTERNATOR
VOLTAGE & OUTPUT
(PAGE 19)
CHECK STARTER
SOLENOID CIRCUIT
(PAGE 14)
DEFECTIVE
REPAIR WIRING
CIRCUIT - VERIFY
REPAIR
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PRELIMINARY DIAGNOSIS FLOW CHART
LOOSE
OK
TEST BATTERIES
(PAGE 11)
OK
OK BUT
DISCHARGED
CHECK CRANKING
OK
CIRCUIT
(PAGE 12)
REPAIR AND VERIFY
REPAIR
OK
SEE STARTER
REPLACEMENT
DETERMINATION
(PAGE 17)
VERIFY COMPLAINT
MISSING
CHECK DRIVE BELT
LOCKED
REPAIR DEFECTIVE
COMPONENT
DEFECTIVE
CHECK PULLEYS FOR
LOCKED BEARINGS
REPLACE BELT
CHARGE BATTERIES
SLOW
CRANK ENGINE
CHECK ALTERNATOR
VOLTAGE & OUTPUT
(PAGE 19)
OK
OK
OK
Page 9