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Old 02-20-2016, 08:41 PM   #11
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Join Date: Feb 2013
Location: Tennessee
Posts: 488
Cummins 6.7L doesn't have glow plugs but uses a grid heater. Thats the coil like graphic on the dash display. You're supposed to wait until that coil light goes out before attempting a start. It means the grid heater has heated to temperature and is ready for engine start. So no glow plugs and the grid heater no longer drawing current is why I think the low battery warning is triggered by the chassis air system drawing current.


2013 Berkshire 390RB-60
toad - 2002 Jeep Wrangler Sport
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