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 ...
Forum Discussion
jax1911 wrote:
Is your engine block heater plugged in?,
The block heater is strictly 120 VAC.
And, were the intake manifold heater (it is 12 VDC) stuck on (bad relay, etc), it would draw well more than the amps mentioned.
