The Mustang Forum for Track & Racing Enthusiasts

Taking your Mustang to an open track/HPDE event for the first time? Do you race competitively? This forum is for you! Log in to remove most ads.

  • Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!

alternator

  1. AESchiltz

    "Service Charging System Now" only on track for 2017 GT - stock alternator

    For my 2017 Mustang GT and am getting a "Service Charging System Now" but only intermittently when on track. Back in the pits and drive home, no issues.Can the stock alternators withstand the regular redline RPMs of track use? I normally rev to near red-line and hit the rev limiter...
  2. v8 snake

    Gt350 charging problem… need help

    Hello! I have a 2018 gt350 with 20k mi So I got a charging system service now error, battery won’t charge, so I replaced it. Then the voltage won’t go above 14 v and drop to 13 when throttle hard. So I replaced alternator After reset bms, voltage is constant between 13.9 and 14.1 but I still got...
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