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GMC Repair/'98 Pontiac Grand Am problem

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Expert: CAJUNSC/RAMBLER390 - 1/13/2009


Question
Recently put 2 new alternators in, and battery is fully charged but when driven the car lights fade, flicker and the car eventually dies if given no gas.  When the car is turned on after this the idle is eratic.  Could this have been an electrical problem and not the alternator?  And if so, how difficult would it be to replace the wiring between the alternator to the starter and the wire from the battery to the relay?  If this is the problem.

Answer
Hi
Sounds to me like you MAY have a different issue.
I would take it to a GOOD reputable shop and have it properly diagnosed. I could throw out guesses to you here, but it could be a thousand different things. My recommendation is to have it properly diagonsed and repaired by a good mechanic shop.
God bless
Paul

GMC Repair

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CAJUNSC/RAMBLER390

Expertise

1998 and NEWER questions ONLY!! I WILL REJECT QUESTIONS FROM 1998 BACK. Electrical diagnosis. Brake Diagnosis. Driveability, Service Engine Soon Lights. Engine mechanical. Automatic or Standard Transmissions. Drive Line (drive shafts, axles) Rear and front differentials and 4wd Transfer Cases. Tires and wheels. ABS. HVAC. Air Bag (SIR). Interior, seats, etc... 6.6L Duramax Diesel diagnosis. 6.5L diesel diagnosis. I WILL not answer Alignment questions OR carburetor questions.
I need YEAR, MAKE and MODEL of vehicle, and ENGINE SIZE and TRANSMISSION type, IF applicable to the question. The more information, the better.
EFFECTIVE Jan. 2012, I will not answer questions about PARTS or AFTER MARKET installed items.(After Market radios, entertainment systems, alarms, etc...)
I work at a Large, Busy GM Dealership
Last thing, my answers are JUST SUGGESTIONS and ADVICE and you should ALWAYS CHECK with your mechanic for proper diagnosis and repair.

Experience

18 Years GM Dealership experience as an "A" line tech. ASE Master Technician. A-9 Light duty Diesel certified as of 2011. 100% GM certified MTC Certified. GM World Class Technician.

Education/Credentials
High School graduate. No College or higher learning.

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