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Aux heater

gemarsh
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gemarsh Enthusiast

gemarsh

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Searching the 2022 2500/3500 upfitters wiring manual, looking for the schematic for the def tank heating system, I came across this.

 

Never knew it existed. Must have missed it in the OM.

 

2024758786_Screenshot_20221221_202556_AdobeAcrobat.thumb.jpg.5e87b6ad5e1460bf10ac1c03cff6bcec.jpg

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CamGTP Senior Enthusiast

CamGTP

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The 6.7 Cummins work truck I have takes maybe 5 miles of driving to hit 200F coolant temps after letting it warm up for 5-10min on high idle.

 

Helps a ton to not run the blower motor at all during warm up, never have the blower motor on high if you want the temps to increase.

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