may not need alternator after all help me!! Error code p0622 - Mustang Evolution

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Old 08-03-2012, 03:08 PM   #1
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may not need alternator after all help me!! Error code p0622

Hi again I have a 2007 mustang gt with a few mods... after market stereo with amplifier and two subwoofers and capacitor and I have pypes shorty header high flows cats x pipe flow master mufflers an air raid cold air intake and a custom bama tune... Okay so here is the problem my car died I was driving and my abs light came on and my traction light came on the dashboard then the stereo went out all the lights on the dashboard power windows head and tail lights everything that is controlled electronically died... So I bought a new battery and all was good for about a day then the battery light kept going on and off on the dashboard and a few days later the car completely died again I thought it could have been the alternator until I plugged in my custom tuner through American muscle and got the error code p0622 I called American muscle and they said it could be an electrical problem and probally not the alternator.... Any suggestions what error code p0622 could be??? Thank you!
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Old 08-03-2012, 03:18 PM   #2
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Check if the connection from the battery to the alternator is loose, mine was and it melted the bolt from the alternator...

---------- Post added at 03:18 PM ---------- Previous post was at 03:15 PM ----------

On the other hand turn the car on and remove one the terminals from the battery and if the car shuts off its bc that's your problem
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Old 08-03-2012, 04:16 PM   #3
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Generator field circut failure. Check your ground and all wires related to the alternator.
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Old 08-03-2012, 07:54 PM   #4
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Re: may not need alternator after all help me!! Error code p0622

You did not need to start another thread, get the Alt checked.
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Old 08-04-2012, 10:59 AM   #5
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Re: may not need alternator after all help me!! Error code p0622

Bring it to a auto parts store that does free electrical checks and have them check your basic components.
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