ECM to Thunder Max question

Discussion in 'Electrical' started by bcortani, Apr 17, 2015.

  1. bcortani

    bcortani Active Member

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    Hi all. Quick question. Almost there...On my 2008 Softail Heritage Classic, I am installing a Thunder Max (open loop) to replace the bad ECM. I have the security system on the bike. Do I have to re-learn the TM to the bike before install of map or do I power up the TM, download map then relearn to the system?? Thanks.:newsmile024:
     
  2. Jack Klarich

    Jack Klarich Expert Member

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  3. biscuit

    biscuit Junior Member

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    The security system works regardless of the ECU you have on your bike.
    HOWEVER, you will need to disarm it when you disconnect the battery to fit your T/max.
    Put it into service or transport mode or whatever. (service mode ,I think)

    One question: why did you go for the Open Loop set up? Was it a cost thing or were you referred that way?
    Open Loop tuning is w-a-a-y more difficult to use and tune, than the Autotune option.

    Good luck with it.
     
  4. Jack Klarich

    Jack Klarich Expert Member

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