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Rivolva's avatar
Rivolva
Explorer
Oct 20, 2020

Ford F150 battery drain when towing Travel Trailer

Hello, I recently purchased a 2019 F150 to pull our travel trailer (it has the trailer package). When I pull the trailer long distances (3 hours+ driving) I'm finding that my F150 struggles to sta...
time2roll's avatar
time2roll
Nomad
Oct 20, 2020
So have you been on a three hour drive without the trailer and no issues?

I would be leaving the truck running and check the truck battery voltage. Check direct on the battery terminals and check on the connectors. s/b the same and more than 13.2 volts. Post the results.

Then shut down the truck and check again. When it fails again check voltage while cranking. Post all results.

I recommend to carry a jump box while this issue persists.

I really doubt it is the trailer.

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