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2022 cummins, preheat starts, popping noise from speaker and everything goes black

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2022 cummins, preheat starts, popping noise from speaker and everything goes black....I am hoping it is just under charged batteries. Have them on the charger now. It is too warm here in AZ for the preheat to be needed but it comes on anyway.... suggestions please!!
 
The WTS cycle occurs anytime the intake manifold temps are below 66°F.

You can bypass the WTS by tapping the push button a second time with your foot on the brake.
 
Same year, same thing. The stock batteries suck. Went out to start it Monday morning and truck couldn't even turn over. One bump and then everything went out. A little later, wouldn't even bump the starter and would get a load pop from the speakers when ever it tried to start.

I replaced both batteries last night and started right up.
 
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