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need help with ecoboost big 3 upgrade

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Old 05-04-2013, 01:48 PM
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Default need help with ecoboost big 3 upgrade

How is everyone getting to the alternator? Is it easier from the top or the bottom to get access? Also where is the alternator grounding cable at? If you have pics please share thanks in advance
Old 05-04-2013, 10:53 PM
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Bump it up
Old 05-05-2013, 09:32 AM
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I'd like to help, but not sure what the big 3 wiring upgrade is. Also do you have an off road package or no? That will make a difference regarding upgrade.
Old 05-05-2013, 12:00 PM
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Yeah I have an fx4 2012 big three is basically a new wire from alternator positive to battery positive, new grounds from battery to chasis and alternator to chasis. I believe the fx4 came with the off road package, thanks for any help just looking to find the best way to get to the alternator
Old 05-05-2013, 09:24 PM
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Old 07-06-2013, 04:38 PM
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Found a great place, it's a unused thread on front of the engine ...1/4 inch thread
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Old 07-10-2013, 01:40 AM
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Yea I'd definitely like to see some more pics or a detailed write up of all the locations people are using for the Eco



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