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12-28-2019, 06:28 AM
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#1
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Member
Join Date: Jan 2017
Posts: 77
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Tongue jack with 7 pin connectors
Hello, I am replacing an electric jack and the jack I bought has a 7 pin connector. In order to get this jack to work, how do I wire it to my battery? Do I need to wire a 7pin connector to my battery and attach it to the frame of my TT? Or just return it and get a different jack. Any help is appreciated!
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12-28-2019, 06:46 AM
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#2
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Senior Member
Join Date: Apr 2019
Posts: 597
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I guessing this type just plugs into your tow vehicle when you need it.
You have some choices....
1)use as intended
2)hard wire a 7-pin female connector to battery
3)remove the connector and wire to battery
4)exchange for a hard wire unit.
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12-28-2019, 07:40 AM
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#3
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Member
Join Date: Jan 2017
Posts: 77
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Quote:
Originally Posted by mokurt
I guessing this type just plugs into your tow vehicle when you need it.
You have some choices....
1)use as intended
2)hard wire a 7-pin female connector to battery
3)remove the connector and wire to battery
4)exchange for a hard wire unit.
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Thanks, I knew my options but I’m not sure how to wire a 7 pin connector to my battery? If I can’t figure that out I will exchange it!!
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12-28-2019, 07:57 AM
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#4
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Senior Member
Join Date: Apr 2019
Posts: 597
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I bet there is only a red positive wire and a black or green ground wire for the jack.there are not going to be 7 wires.
You can find wiring diagrams for 7 pin connectors and wire accordingly.
Not difficult and there should be an online fuse on the positive wire.
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12-30-2019, 10:37 PM
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#5
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Member
Join Date: Jul 2018
Location: Lake Jackson, TX
Posts: 59
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Quote:
Originally Posted by Kaysman
Hello, I am replacing an electric jack and the jack I bought has a 7 pin connector. In order to get this jack to work, how do I wire it to my battery? Do I need to wire a 7pin connector to my battery and attach it to the frame of my TT? Or just return it and get a different jack. Any help is appreciated!
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Can you give us the brand and model number of the jack? I'm not sure why a jack would have a 7 pin connecter.
__________________
Bill Tobler
Lake Jackson, TX
2002 R-Vision TrailLite 7212/ 21.5'
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12-30-2019, 10:46 PM
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#6
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Senior Member
Join Date: Feb 2013
Location: Graham, WA
Posts: 773
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How many wires are in the cable? My guess is two, a positive and a negative.
__________________
2006 Gulfstream Friendship G7, Cat C7 and Allison 6 spd
Honda VTX and Cruiser Lift on the back
Blue Ox Aladdin, Brake Buddy, 2019 Chevy Blazer RS toad
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12-30-2019, 10:49 PM
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#7
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 13,149
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You said you were replacing an electric jack.
I'm curious why are you replacing it.
__________________
2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
Criticism is easier than Craftsmanship
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12-31-2019, 05:06 AM
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#8
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Senior Member
Join Date: Apr 2019
Posts: 597
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Quote:
Originally Posted by brewbetter
I'm not sure why a jack would have a 7 pin connecter.
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It' for plugging into the tow vehicle for power rather than being hard wired to the trailer battery.
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12-31-2019, 08:14 AM
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#9
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Member
Join Date: Jul 2018
Location: Lake Jackson, TX
Posts: 59
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Quote:
Originally Posted by mokurt
It' for plugging into the tow vehicle for power rather than being hard wired to the trailer battery.
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Yes, of course. I'm thinking only travel trailers, that have power. Work trailers would not have power, so you would need to plug into the truck. 
I think I would return it and get a jack that has just a hot wire to hook up. The jack would be grounded to the frame of the TT when bolted up. That's how mine is.
__________________
Bill Tobler
Lake Jackson, TX
2002 R-Vision TrailLite 7212/ 21.5'
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01-01-2020, 05:27 AM
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#10
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Member
Join Date: Jan 2017
Posts: 77
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Quote:
Originally Posted by brewbetter
Can you give us the brand and model number of the jack? I'm not sure why a jack would have a 7 pin connecter.
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Towing master #10201011. 3500 pound tongue jack 12V DC with 7 pin connector. My mother in law picked it up for us knowing ours stopped working from Rural King.
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01-01-2020, 05:29 AM
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#11
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Member
Join Date: Jan 2017
Posts: 77
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Quote:
Originally Posted by Arch Hoagland
You said you were replacing an electric jack.
I'm curious why are you replacing it.
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It stopped working. I have checked everything I know to check and it won’t work. I even replaced the up/down toggle switch and nothing.
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01-01-2020, 05:30 AM
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#12
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Member
Join Date: Jan 2017
Posts: 77
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Quote:
Originally Posted by brewbetter
Yes, of course. I'm thinking only travel trailers, that have power. Work trailers would not have power, so you would need to plug into the truck.
I think I would return it and get a jack that has just a hot wire to hook up. The jack would be grounded to the frame of the TT when bolted up. That's how mine is. |
That is also how my current one is that stopped working.
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01-01-2020, 06:30 AM
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#13
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Senior Member
Join Date: Jul 2015
Posts: 243
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I would suspect that there is only 1 wire going to the 7 prong plug and that wire goes to the center post which is the battery. I would just cut the plug off and wire it to the pos post of the battery.
__________________
Dave & Brenda
2007 Chevy 2500 Duramax
2012 Sabre 31 RETS 5'er
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01-01-2020, 06:54 AM
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#14
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Senior Member
Join Date: May 2006
Location: SoCal
Posts: 1,123
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Quote:
Originally Posted by h20ski
I would suspect that there is only 1 wire going to the 7 prong plug and that wire goes to the center post which is the battery. I would just cut the plug off and wire it to the pos post of the battery.
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What he said. Not a big deal to connect direct to the battery.
__________________
2020 Grand Design Reflection 315RLTS
2019 GMC Sierra Denali Duramax
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