It shouldn't. House batteries provide power to the lights, furnace, etc. The engine battery starts the engine and provide power to running lights, headlights, etc. Just make sure to tape or secure the battery cables so they cannot ground out while the engine is running.
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2017 SLX 195RB
2021 Jeep Grand Cherokee Summit L 5.7L V8
Andersen WDH hitch, Renogy 100 AH Lithium &
200 Watts solar panels from Renogy
Prev. '14 Jeep Grand Cherokee Overland, gas 3.6 V6
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