Madmixer Posted June 12, 2019 Share Posted June 12, 2019 2016 granite 7 speed automatic concrete mixer. The check trans and the lighting bolt come on I also lose the trans display and the odometer display. Can anyone help? No code Quote Link to comment Share on other sites More sharing options...
ksrolloff Posted June 12, 2019 Share Posted June 12, 2019 check battery connections, and voltage Quote Link to comment Share on other sites More sharing options...
Deere Mack Posted June 22, 2019 Share Posted June 22, 2019 My 17 granite had an similar issue with the Allison. It was a bad wiring harness from the dash to the trans. It was pinched and took a while to rub through and short out. 1 Quote Link to comment Share on other sites More sharing options...
JoeMack Posted December 19, 2020 Share Posted December 19, 2020 @Deere Mack is there anyway you can help show me where this harness is? I'm having the same issue with my 2014 Mack Granite. Quote Link to comment Share on other sites More sharing options...
james j neiweem Posted December 19, 2020 Share Posted December 19, 2020 Trace/inspect from the transmission back. Good luck. Quote Link to comment Share on other sites More sharing options...
Deere Mack Posted December 19, 2020 Share Posted December 19, 2020 15 hours ago, JoeMack said: @Deere Mack is there anyway you can help show me where this harness is? I'm having the same issue with my 2014 Mack Granite. Good morning Joe. Mine was under warranty so it took mack and allison a couple days to figure it out. All I can tell you is they told me it was the harness from the controller to the trans. Good luck, wish I could help more Quote Link to comment Share on other sites More sharing options...
REEL ADDICTION Posted December 19, 2020 Share Posted December 19, 2020 How many miles on the truck and is there a picture of a wrench on the allison control pad? Quote Link to comment Share on other sites More sharing options...
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