Replacement Wiring Harness for the Control Panel on a Lippert Ground Control 3.0 Leveling System
Updated 07/25/2026 | Published 07/16/2026
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Question:
I am looking for extension cable for the Lippert 3.0 jack controller to move it to other side of the 5th wheel storage box Do you carry anything like that? It’s on 337rls 2023 grand design Please advise either way thanks
asked by: Brian D
Expert Reply:
Hey Brian. We don't have an extension cable but we do have a new wiring harness you can use to move the controller on your Lippert Ground Control 3.0 system. It's the Replacement 4-Pin Interface Wiring Harness item # LC56DX.
The 4-Pin Interface Wiring Harness item # LC56DX is 10' long. It'll plug directly into the back of the touchpad included with the Lippert Ground Control 3.0 systems like item # LC675817 and item # LC358590. This is a factory replacement for the 232937 harness the came with your system.
Lippert doesn't make an extension cable for voltage drop reasons. They don't want the wiring run being longer. What I recommend doing is using the Wiring Harness item # LC56DX and routing it from the controller to your 5th wheel storage box where you want to move the control panel to.
Why are you wanting to move the control panel?
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Replacement 4-Pin Interface Wiring Harness for Lippert Level-Up Hydraulic Leveling System
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- Camper Jacks
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- Wiring Harness
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Brian D.
7/23/2026
I have clearance issues parked at my house next to the fence and I can’t open the door panel to access the controller. Moving it to the other side of the pass though I have plenty of room.