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Old 03-08-2016, 09:03 AM   #1
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Tongue Jack Wiring

I have a 2014 Jayco Swift 248RBS. The electric tongue jack was damaged on our first outing, and I had it replaced.

But, after looking at how it was wired in, I question if it's right. The jack is grounded via the mounting to the frame, and has one lead coming off the jack that I would think should goe directly to the positive terminal on the battery.

However, it is now wired into the "Green" fusible link wire that runs to the battery and then into the trailer.....Does that make sense?

I had thought that the green fusible link was there to provide the capability to remove power from the smoke detectors and stuff...(remove the fuse)

Thoughts?
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Old 03-08-2016, 09:32 AM   #2
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Some of the Power Jacks rely on the chassis ground which can be a poor connection at times through rust forming. I have always installed the extra ground wire directly to the motor. That one wire (red or black) from the power Jack has to go to the Batt.+. That they used the fuse link to protect the Power Jack isn't a bad idea. Some Power Jacks has a circuit breaker installed in the unit itself.
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Old 03-08-2016, 09:50 AM   #3
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Quote:
Originally Posted by ALJO View Post
Some of the Power Jacks rely on the chassis ground which can be a poor connection at times through rust forming. I have always installed the extra ground wire directly to the motor. That one wire (red or black) from the power Jack has to go to the Batt.+. That they used the fuse link to protect the Power Jack isn't a bad idea. Some Power Jacks has a circuit breaker installed in the unit itself.
As ALJO said...
If your Power Jack has an inline fuse as part of the wire coming off the jack connect it directly to the Positive battery post, if it does not have an inline fuse as part of the wire from the jack, connect it on the TT side of the main trailer fuse/breaker.

Don
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Old 03-08-2016, 10:33 AM   #4
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Thanks. I appreciate the info Guys. Definitely GOOD people on this site!!
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