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HD Combo Speedo/Tacho

  • Rocky2010
    Rocky2010
    13 years ago

    Anyone running a Thundermax with AutoTune and running one of those new  HD Combo Speedo/Tacho on a 2010 Fatboy Lo.

    I have had  this combination running for months without any problems but now  the Speedo now shows error: V IN ER which is probably a vin error code.

    If I put the original speedo also the stock ECM back on the bike it doesn't display any errors. Plug the Combo Speedo/Tacho and Thundermax ECM back into the wiring harness its all fine for a while then the error appears again.

     

     

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