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E150: I put in a new alternator and now reason my

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I put in a new...
I put in a new alternator and now for some reason my battery is being drawn down very fast. I can see it on the meter. I felt there may be a problem with the battery so I replaced it. Same issue. could a new alternator have a short in it ? I replaced the alternator because the battery light had come on and it test failed. all my cables for the battery are in good condition. keep in mind the starter is orginal, truck has 166.000 4.6 litter 2007 e150
Submitted: 3 years ago.Category: Ford
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Answered in 12 minutes by:
6/17/2015
Ford Mechanic: J F, ASE Certified Technician replied 3 years ago
J F
J F, ASE Certified Technician
Category: Ford
Satisfied Customers: 365
Experience: Car mechanic from 2002-2011. Worked on all Ford products in a aftermarket shop.
Verified
Hello and yes new parts do fail. do you have a volt meter? thanks
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