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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum f10 535 need acc power in engine bay
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      01-16-2020, 12:39 PM   #1
jtrejo
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f10 535 need acc power in engine bay

i need acc power for a front mount camera, where can I tap power from? thanks in advanced
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      01-19-2020, 12:25 AM   #2
jayster0966
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One option is you can tap the big red wire underneath the passenger side palstic trim near the windshield cowl(forgot the real name). This power goes on/off with the computer system of the car. Check out articles on how to wire up JB4, they use that method and I use the same for my port injection.
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      01-23-2020, 12:52 PM   #3
jtrejo
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Originally Posted by jayster0966 View Post
One option is you can tap the big red wire underneath the passenger side palstic trim near the windshield cowl(forgot the real name). This power goes on/off with the computer system of the car. Check out articles on how to wire up JB4, they use that method and I use the same for my port injection.

i think there are multiple big red wires in there. do you have a pic by chance? thanks
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      01-27-2020, 06:02 PM   #4
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anyone?
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      01-27-2020, 10:05 PM   #5
ezaircon4jc
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Originally Posted by jtrejo View Post
anyone?
Are you looking for hot always, when accessories are on or engine on only? If the latter I hard-wired my radar detector to the front fuse box with an add-a-fuse. For the life of me I can't find the post where I named the fuse I used.
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      01-27-2020, 10:10 PM   #6
jayster0966
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Quote:
Originally Posted by jtrejo View Post
i think there are multiple big red wires in there. do you have a pic by chance? thanks
Try this one
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      01-29-2020, 12:44 PM   #7
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Quote:
Originally Posted by jayster0966 View Post
Try this one
got a transmission parking brake error power reduced issue now that i tapped that wire, damnit. does anyone know how to reset that or is there a fuse i can check?
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      01-29-2020, 01:12 PM   #8
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anyone know the fuse location and number?
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      01-29-2020, 07:47 PM   #9
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fixed blown fuse
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