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James, Certified Lincoln Technician
Category: Lincoln
Satisfied Customers: 3628
Experience:  Ford/Lincoln Senior Master Technician
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02 Lincoln LS. Alternator died 6 weeks ago. Replaced

Customer Question

hi. 02 Lincoln LS. Alternator died 6 weeks ago. Replaced alternator and battery. 6 weeks later, charging system light on again. Back to the shop. Supposedly a faulty alternator. Order another new one, replace. Light is still intermittently appearing.
JA: Just to clarify, what are the exact lights you're talking about?
Customer: check charging system.
JA: Are you fixing your LS yourself? What have you tried so far?
Customer: no. has been fixed at the garage. new alternator, new battery, new alternator. All in the last 6 weeks
JA: Anything else you want the mechanic to know before I connect you?
Customer: nope that's it!
Submitted: 9 months ago.
Category: Lincoln
Expert:  James replied 9 months ago.
Hello, where are the alternators coming from?
Customer: replied 9 months ago.
they are coming from the Lincoln Dealer
Expert:  James replied 9 months ago.

I hate to say it but they could be defective. Quality control seems to be going out the window anymore. When the battery light blinks only sometimes it is bad diodes in the alternator. The pigtails off the alternator are known to get stressed out and can cause intermittent concerns. Replacing the pigtail will correct this concern.

Customer: replied 9 months ago.
2 brand new alternators in a row? From the dealer? Should we just try for alternator #3 at this point? This is crazy. :(
Expert:  James replied 9 months ago.

Itdoesn't surprise me. I have gone through 5alternators before finding a good one. I hate for things to be that way anymore but it happens