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Old 01-06-2012, 01:57 PM   #62
Focus Jr. Enthusiast
Join Date: Dec 2011
Fan#: 93217
Location: Renton, WA
What I Drive: 2012 Gray SEL Hatch

Posts: 37
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You don't want to be messing around with trying to save $50 and frying your car. Get the harness, get the resistors. Fords can not sufficiently power the 35watt ballasts on the stock set-up. It might work for a while but you'll see issues. I had a 2010 Fusion Hybrid and the plug and play did NOT cut it. Flickering, flashing etc. Sometimes only one light would come on. When I installed the harness, all those problems went away. Just get the 2012 Focus Digital Kit from Retro. It's a bit of a pain to find a permanent solution on where to mount the super hot resistors, but you'll figure it out.
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