Can Powered A-Frame Trailer Jack be Powered Straight from Tow Vehicle Battery
Updated 09/02/2025 | Published 06/16/2025
Products Featured in This Question
Question:
I have a 20’ enclosed trailer that weighs around 8500lbs loaded. I need a new jack for it and was thinking about going with an electric jack. Couple questions I have can the jack be wired to run strictly off of vehicle auxiliary power when plugged into vehicle or what do you recommend? Also I’m looking for as short of a retract dimension as possible. Looks like most range between 9 through 11 inches or so when jack is all the way up. What do you recommend? TIA
asked by: John C
Expert Reply:
Hey John, yes trailer powered jacks like the part # EJ-3527-BBX can be powered strictly from the tow vehicle's aux power source. That is why this jack has a 7-way power wire as it is designed to plug into a 7-way and draw power straight from that circuit.
9 inches is also the shortest retracted height jack we off like the part # EJ-3520-BBX.
Product Page this Question was Asked From
Electric Jack w/ Footplate and 7-Way Plug - A-Frame - 25-1/8" Lift - 3.5K - Black
- Camper Jacks
- Pop Up Camper
- Teardrop Camper
- Travel Trailer
- A-Frame Jacks
- Steel
- 3001 - 4000 lbs
- Electric Jack
- 25-1/8 Inch Lift
- Bolt-On
- 1 Jack
- RAM
more information >
Continue Researching
- Search Results: solar panels to auxiliary battery battery charger
- Shop: Bright Way Solar Battery Charger - 7.5 Watt Solar Panel
- Q&A: Will The Bright Way Solar Battery Charger # BRW54FR Overcharge a Battery If Left On?
- Q&A: Wiring An Electric Trailer Tongue Jack Into 7-Way Vehicle Trailer Connector
- Q&A: Does Your etrailer Jack Automatically Stop when it is Extended so it Doesn't Over Extend?
- Q&A: Need To Replace Electric jack On 8.5'x16' Enclosed Trailer
- Q&A: Electric A-Frame Jack for 2019 Jayco SLX 212QB
- Q&A: Recommended Trailer Jack For Trailer With 14000lb GVWR
- Q&A: Replacement A-Frame Jack Recommendation for a 1996 Prowler Camper
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: The Best Electric Trailer Jacks of 2025
- Article: Determining Trailer Tongue Weight
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Article: The Best Trailer Tongue Locks for Preventing Trailer Theft
- Article: Trailer Wiring Diagrams
- Article: 5 Things to Know About Weight Distribution Hitches
Jameson C.
9/2/2025
Hey John, did the electric jack you were considering work out for your trailer? I'm curious to know if the setup with the vehicle's auxiliary power and the 9-inch retracted height met your needs. Your experience could really help others looking for a similar solution!