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Troubleshooting Lippert Electric Stabilizer Jacks Not Working With Switch

Question:

My jack motors do nothing when I press the switch. To extend or retract.

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Expert Reply:

If the motors on your Lippert High-Speed Power Stabilizer Jack # LC298707 do not work when you use the switch you will want to determine if you have a bad switch or if the jack is not getting power from the battery on your camper.

First you will want to determine if power is getting to the switch. The red wire of the switch should have constant power from the battery. You can use a Circuit Tester # PTW2992 to test the voltage going into the switch. If you do not have power you will need to find the inline fuse to check and replace if bad. You can test along the wiring to determine where exactly power is lost to determine if the wiring is damaged.

Next you will want to use the same tester to check the black ground wire on the switch to ensure that the ground is not damaged.

Once you know that you have power and ground at the switch you can test for power and ground after the switch going to the motors. If you do not have power after the switch wiring the Switch # LC387874 can be replaced. If you have power and ground after the switch the motors on your jack are damaged. They can be replaced with Lippert Stabilizer Motor # LC352338.

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Gregory M

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