New to cummins forum. Just got my first diesel 2008 dodge ram 2500. My ERS light does not come on or rpm does not change when I push +/- on shift lever, I tow alot about 7500lb. what do I need to check. and how to fix.
Thanks for the info, I banged on +/- on switch and it seems to work for today I will try it again to see if it still works. Has anyone replaced shift arm and how hard is it?
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