[QUOTE=LewisB;391429]Rob is correct. If your trailer has a closed city water/tank fill system (no open pour in fitting), the system will need to be pressurized to supplement the tank contents. I have an "emergency spare" water pump that I can use in the 5er if needed and set it up to plug into the 7-way electric connector on the truck with hoses for a 35 gallon external tank we can use. That's probably way more than you want to do.
This is how I do it now!!
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2016 F-250 SD 6.7 Power Stroke
50 gallon Titan fuel tank
AirLift 5000 airbags
2019 High Country 310RE
Andersen Ultimate hitch
Sailun S637 tires
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