suejoe6174 Posted July 6, 2011 Share Posted July 6, 2011 does any one know how to hook up the batteries correctly. Had a mechanic hook new batteries up and now the back flashing lights don't work and also when I switch the battery from A to B on the dash board the truck shuts down, she will start and run only on A not B Don't forget the fire trucks have two of everything. I picture of the correct way the batteries should look would really help,Thanks Joe Quote Link to comment https://www.bigmacktrucks.com/topic/19672-battery-hook-up-b85-fire-truck/ Share on other sites More sharing options...
suejoe6174 Posted July 7, 2011 Author Share Posted July 7, 2011 does any one know how to hook up the batteries correctly. Had a mechanic hook new batteries up and now the back flashing lights don't work and also when I switch the battery from A to B on the dash board the truck shuts down, she will start and run only on A not B Don't forget the fire trucks have two of everything. I picture of the correct way the batteries should look would really help,Thanks Joe Quote Link to comment https://www.bigmacktrucks.com/topic/19672-battery-hook-up-b85-fire-truck/#findComment-81275 Share on other sites More sharing options...
suejoe6174 Posted July 7, 2011 Author Share Posted July 7, 2011 talked to a Mack mechanic today and he thinks that the problem is in the switch because the batteries were left on and the voltage burned out the B circuitJoe Quote Link to comment https://www.bigmacktrucks.com/topic/19672-battery-hook-up-b85-fire-truck/#findComment-81276 Share on other sites More sharing options...
609albert Posted July 7, 2011 Share Posted July 7, 2011 talked to a Mack mechanic today and he thinks that the problem is in the switch because the batteries were left on and the voltage burned out the B circuitJoethe orginal macks had a positive ground system ,check if yours is still connected that way Quote Link to comment https://www.bigmacktrucks.com/topic/19672-battery-hook-up-b85-fire-truck/#findComment-81281 Share on other sites More sharing options...
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