2002 Ford Falcon Just Replace Alternator Now After Turning Ignition Off Oil

2002 FORD FALCON
180,000 MILES
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ANONYMOUS
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just replace alternator but now after turning ignition off the oil light comes on. What are possible causes?
Feb 28, 2013 at 6:25 AM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
new or second hand alternator? it may have a faulty diode pack and it is getting some feed back voltage.
Feb 28, 2013 at 10:18 AM
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