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Jump leads reversed :)

slepy Jan 2, 2021

  1. slepy

    slepy Extremely smart and handsome person. VCDS Map User

    Hi Guys,

    My mate has a mk1 TT 1.8T standing for 3 years now and I'm thinking about getting it for a track car and chucking 4wd. But, last year he tried to jump it from another car and connected leads the wrong way (+ to - and - to +). What could have he fried? Something simple like main fuse or relay or could be a lot more than that?
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  3. B5NUT

    B5NUT Well-Known Member VCDS Map User

    Could be just a simple fuse or every electronic module in the car could be damaged. Get a code reader on the car and see what is working, but check the fuses first.
    slepy likes this.
  4. desertstorm

    desertstorm Moderator Staff Member Moderator VCDS Map User

    Most modules are protected against things like this and sometimes you will get away with it. If the car has been stood for 3 years and never started then you may have trouble trying to get it going even if the jump leads hadn't been connected wrongly. Best thing to do is to try and charge the existing battery if it will and then try and check for fault codes with vcds.
    slepy likes this.
  5. Raiden

    Raiden Registered User

    My brother in-law done that to an old mini he had years ago. ****** thing caught fire and the pr!ck had to get the fire brigade out

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