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Thread: RS6 won't start.. Where is the main fuse?

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  1. #1
    Registered User
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    Dec 2007
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    Pittsburgh, PA area
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    Did you ever fix this.

    The RS6 has two main fuses. One supplies the starting and charging ans the other supplies everything else.

    It's highly unlikely that you've blown both of them. I thin the charging/starting one is 200A and the other one is 150A.

    You say that you used a DVM and checked your battery, correct?

    As ttboost said, above the washer fluid reservoir is where there's a little panel that can be removed. This is where the battery positive is, which then supplies the main fuses. Put the DVM probe on this and touch any ground to see if the battery power is making it up to the front of the car.

    It's really strange that you've got nothing, as if there's no battery at all. I'm thinking that maybe your ground strap in the trunk is disconnected or broken? Maybe add a jumper cable from the negative terminal to another good ground?
    2012 Q7 TDI S-Line - 2010 GTI - 2007 A3 3.2 S-Line - 2003 RS6
    2001 Honda S2000 - 1977 Honda CBR 750-F2 - 1965 GMC 1500 WideSide

  2. #2
    Registered User spoolinrs6's Avatar
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    Feb 2015
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    Clifton, NJ
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    Quote Originally Posted by SteveKen View Post
    Did you ever fix this.

    The RS6 has two main fuses. One supplies the starting and charging ans the other supplies everything else.

    It's highly unlikely that you've blown both of them. I thin the charging/starting one is 200A and the other one is 150A.

    You say that you used a DVM and checked your battery, correct?

    As ttboost said, above the washer fluid reservoir is where there's a little panel that can be removed. This is where the battery positive is, which then supplies the main fuses. Put the DVM probe on this and touch any ground to see if the battery power is making it up to the front of the car.

    It's really strange that you've got nothing, as if there's no battery at all. I'm thinking that maybe your ground strap in the trunk is disconnected or broken? Maybe add a jumper cable from the negative terminal to another good ground?
    hey sorry for the late reply but i found the fuse and it was corroded badly fixed it up and the car is running like new again!

  3. #3
    Registered User lswing's Avatar
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    May 2011
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    Eugene, OR, again...
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    Quote Originally Posted by spoolinrs6 View Post
    hey sorry for the late reply but i found the fuse and it was corroded badly fixed it up and the car is running like new again!
    Nice! Hope you cleared out the drain plug right there, I think that's why mine got corroded, water buildup.

    I'll take my chicken dinner fried please...
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