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Old 03-21-2013, 09:10 PM   #43
Gazookz
Focus Enthusiast
 
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Join Date: Jan 2011
Fan#: 82103
Location: Atlanta, GA
What I Drive: 2011 Metallic Gray Focus SE

Posts: 295
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Doing the big 3 wasn't that bad. I forget how it is with the factory alternator and plastic house around it. I've pretty much had my DC alt in since like 5k miles on the car and did the big 3 with it. The only problem I had at first was the engine gound. It is located right in front of the fan and hard to get to if you don't have proper tools. I left all the factory wires in place and added two runs of Knukonceptz 1/0 for the power from alt>battery, two runs for engine ground>negative battery, and then grinded off two spots next to the battery for two more grounds frame>battery. I also added a short run of 3/0 wiring from the mounting bolt of the alt to the frame. I can make a short video and post it up if you like showing exactly how I did mine.
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