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11-17-2017, 01:39 PM
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#1
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Senior Member
Join Date: May 2017
Posts: 279
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Electric awning
Hi I removed the battery from rv.now I have to have the information off the awning label and the awning has to be extended. Can I just plug the truck in for the 12volt power or does the battery have to be reinstalled.?Dealer needs info for warrantee work that was done thanks for the info.
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11-17-2017, 01:47 PM
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#2
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,348
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You can plug into the truck, just make sure the positive lead from the trailer to the battery doesn’t touch anything and ground out.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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11-17-2017, 01:49 PM
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#3
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,996
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I wouldn't use the 7 way connector to power anything requiring as much DC power as the awning motor. If you have jumper cables, just pull the truck up to the trailer tongue, use the jumper cables connected to your truck battery and the battery cables on the trailer. That way you won't risk blowing a fuse in your tow vehicle electrical circuit or "underpowering" the awning motor.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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11-17-2017, 02:23 PM
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#4
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,348
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We run slides and awnings with the trailer plugged into the forklift, haven’t had anything bad happen yet. There was one Solitude fifth wheel that had 3 slides actuated with a single switch (hydraulic) that we had to hook up a battery.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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11-17-2017, 03:11 PM
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#5
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,996
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NOTE: There may be an appearance that my post is "not in agreement" with chuckster's post. If you look at the time of each post, you'll see that we were both typing our "opinion" at the same time. I agree with him, in that if you don't have a significant "DC load" on the 7 pin umbilical, there shouldn't be a problem. For me, I just prefer to have heavier wiring on any load I put on my trailer, so I just don't use the umbilical to power anything. YMMV.....
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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11-17-2017, 05:53 PM
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#6
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Senior Member
Join Date: Jun 2017
Location: Downey, Ca.
Posts: 344
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10 gauge wire will easily carry 30 amps of current.
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11-17-2017, 06:13 PM
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#7
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,996
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Quote:
Originally Posted by Johnny's Journey
10 gauge wire will easily carry 30 amps of current.
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The typical "OEM wiring size" for the 7 pin umbilical on modern trucks is 16 ga with 14 ga ground. The recommendation for 10 ga wire to carry 30 amps is with a "circuit length" of 30'. Remember that the circuit length is from the negative terminal of the power supply to the positive terminal of the power supply, so if the truck battery is 20' from the umbilical connector, then the circuit length is 40'. Now add the length from the trailer umbilical to the awning motor and back to the umbilical and you've got a "circuit length in excess of 80' in almost every application. That's a lot of amperage to "push through a 16 ga wire from the truck battery to the awning motor and back. I haven't seen a 10 ga wire in a 7 pin umbilical connector in at least 15 years. I don't think any RV manufacturer and certainly no vehicle manufacturer uses such a large gauge wire.
You can get more information here: https://www.bluesea.com/resources/1437
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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11-17-2017, 06:26 PM
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#8
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Site Team | Emeritus
Join Date: Jan 2014
Location: Western PA
Posts: 2,732
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Think wire size in a standard umbilical cord is more like #12 gauge. In a pinch have started on my ONAN generator by plugging into the TV, dead coach battery. Have to admit probably had plugged it in for a little while before cranking over the generator.
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2013 RAPTOR 300MP w/Rear Patio Deck NO Folding Side Ladder
2013 Silverado 3500HD LTZ CC LB 4X4 DRW
Duramax 6.6L Turbo Diesel; Allison Trans
Reese 20K; Carlisle Radial Trail RH/HD; TPMS (12 Tires)
Veteran
PSU (GO LIONS)
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11-17-2017, 06:39 PM
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#9
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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Just to add to the discussion...
7-Way plastic trailer connector molded to heavy duty 7-way insulated cable. Made with self-cleaning contacts and molded to encapsulate terminals and wires to form one weather resistant, not-corrosive assembly. Primary wire gauges within the insulated cable are: Black and White-10 gauge, Blue-12 gauge, Brown-Red-Green-Yellow-14 gauge. Molded connector can be used with thermo-plastic or metal 7-way car end connectors. Various length and combinations are available.
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2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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11-17-2017, 06:41 PM
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#10
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,996
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Here are pictures of a Ford OEM wire loom for the "in bed fifth wheel umbilical". As you can see, there is no 10 ga wire, no 12 ga wire, but the large "charge line" and "ground are 14 ga. The remainder of the wires are 16 ga wires.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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11-18-2017, 04:36 AM
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#11
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Senior Member
Join Date: May 2017
Posts: 279
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Thank all for the reply. I hooked battery back up and got the information needed.next time I will try plugging in the truck.
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11-18-2017, 04:57 AM
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#12
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Senior Member
Join Date: Aug 2017
Location: Lafayette
Posts: 1,068
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Quote:
Originally Posted by JRTJH
Here are pictures of a Ford OEM wire loom for the "in bed fifth wheel umbilical". As you can see, there is no 10 ga wire, no 12 ga wire, but the large "charge line" and "ground are 14 ga. The remainder of the wires are 16 ga wires.
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Yeah well that's ford for ya!!..lol! Just kiddin.
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2015 Ram,3500,Dually,B&W,4.10s,Aisin,Limited,Silver
2018 Raptor,428SP w/full body paint
2012 Harley, Ultra Limited
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