Tiffin diesel mysteries..............
2015 Tiffin Red diesel with Cummins engine and Allison tranny. All going well until I took in for 15k service at Freightliner. I had seen a dash Low Battery warning once upon starting. Diagnosed ...
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Is your engine block heater plugged in?, If your inverter is on you will see 2 or 3 amp draw from it.
