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08-19-2020, 05:17 PM
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#1
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Senior Member
Join Date: Jul 2019
Location: Richmond
Posts: 625
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Might be a strange question(s)
Why do some TT's have their running lights on at night? Just sitting unhooked from the tow vehicle?
Is it decoration or is there some other reason... Is it a modification that the owner did or is that factory?
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08-19-2020, 05:29 PM
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#2
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Senior Member
Join Date: Aug 2020
Location: Willamette Valley Oregon
Posts: 330
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Usually for decoration and makes it easier to find your rig in the night. You can get a switch that plugs into your 7 pin connector to turn lights on and off.
__________________
2020 Keystone 291RLS
2014 Ram 1500 EcoDiesel 4x4 Crew 3.92
EAZ-Lift Recurve R3 #1200
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08-19-2020, 05:34 PM
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#3
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,982
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There is a "simple mod" that you can do to light your running lights and tail lights. Use a 15 amp fuse, bend the two legs slightly and plug that fuse into your trailer umbilical, pins 3 and 4. That's the two pins, one on each side of the "keyway" (alignment block on the plug)... Pin 3 is running/tail lights and pin 4 is +12 VDC.
If you "really want to be fancy, use a flasher module instead of a fuse. Your running lights will flash based on the frequency of the flasher unit's setup.
Wiring diagram and a photo of the fuse placement below. Note the photo has a 20 amp fuse. A 15 amp is all you need with LED running lights.
ADDED: The mod can help identify your trailer if you have emergency responders or a pizza delivery on the way... Just tell them, "Look for the trailer with the flashing running lights, we'll be waiting for our supper".....
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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08-19-2020, 05:34 PM
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#4
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,325
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It’s most likely decoration or easy ID when you return to your campsite after dark.
Very easy to do. If you hold the trailer umbilical cord facing you with the locking tab UP, the top two connectors are 12VDC and running lights. A simple jumper wire will do the trick. Another way would be to purchase the TV side plug and run a jumper across the pins in the back. Then just plug it into the trailer cord.
Looks like John has an even faster way. I guess I was typing too slow...it’s the heat
__________________
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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08-19-2020, 05:37 PM
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#5
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Senior Member
Join Date: Dec 2019
Location: Trinidad,TX
Posts: 973
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Some do it just "for effect". They do it with a shorting plug on their umbilical light cord. They was a recent discussion on the forum.
__________________
Woody
Cedar Creek Lake, Texas
2019 Laredo 290 SRL
2019 Ram 2500, 4x4, Cummins diesel
Andersen hitch
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08-19-2020, 05:50 PM
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#6
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Senior Member
Join Date: Aug 2020
Location: Willamette Valley Oregon
Posts: 330
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Quote:
Originally Posted by CedarCreekWoody
Some do it just "for effect". They do it with a shorting plug on their umbilical light cord. They was a recent discussion on the forum.
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Heres a link to the mod using a fuse to jumper terminals on the 7 pin connector.
https://sites.google.com/site/jdbeas...nglightsswitch
__________________
2020 Keystone 291RLS
2014 Ram 1500 EcoDiesel 4x4 Crew 3.92
EAZ-Lift Recurve R3 #1200
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08-19-2020, 05:58 PM
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#7
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Senior Member
Join Date: Dec 2017
Location: Olathe, KS
Posts: 124
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Have a guy telling my best friend his can’t be shut off and they are on always. I told him he was full of it but guys swears by it. Cougar 34TSB TT.
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08-19-2020, 06:04 PM
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#8
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Gone Traveling
Join Date: Jul 2020
Location: Independent Republic of Horry
Posts: 237
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Tell your friend to make sure he has boots on as the stuff gets deep!
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08-19-2020, 06:28 PM
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#9
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Senior Member
Join Date: Oct 2019
Location: Central FL
Posts: 1,087
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Quote:
Originally Posted by JRTJH
There is a "simple mod" that you can do to light your running lights and tail lights. Use a 15 amp fuse, bend the two legs slightly and plug that fuse into your trailer umbilical, pins 3 and 4. That's the two pins, one on each side of the "keyway" (alignment block on the plug)... Pin 3 is running/tail lights and pin 4 is +12 VDC.
If you "really want to be fancy, use a flasher module instead of a fuse. Your running lights will flash based on the frequency of the flasher unit's setup.
Wiring diagram and a photo of the fuse placement below. Note the photo has a 20 amp fuse. A 15 amp is all you need with LED running lights.
ADDED: The mod can help identify your trailer if you have emergency responders or a pizza delivery on the way... Just tell them, "Look for the trailer with the flashing running lights, we'll be waiting for our supper".....
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Wait just one darn second... Pizza delivery? While camping?! I load it up with food and then hit the scales to make sure I didn't overbuy.
__________________
2023 Cougar HT 23MLE
2020 F250 XLT CC 6.2 4WD
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08-19-2020, 06:32 PM
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#10
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Senior Member
Join Date: Aug 2020
Location: Willamette Valley Oregon
Posts: 330
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Quote:
Originally Posted by Bill-2020
Wait just one darn second... Pizza delivery? While camping?! I load it up with food and then hit the scales to make sure I didn't overbuy.
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Pizza delivery at the campsite is the best...……..
__________________
2020 Keystone 291RLS
2014 Ram 1500 EcoDiesel 4x4 Crew 3.92
EAZ-Lift Recurve R3 #1200
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08-19-2020, 07:06 PM
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#11
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,674
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Pizza delivery... When in Shreveport recently at the KOA where we stay we always go to a place called Jan's River Restaurant - every time. This trip we hit the day they were closed. We were reluctant to go there due to all the "stuff" going on but had decided we would...then they were closed. Kicked it around, looked on the web and decided on "pizza delivery" - a first for us!!! We did not have the blinking lights, just told the guy the space number and look for the big red truck - to no avail. Standing outside waiting he drove right by me and went to the end of the road. Couple of minutes later I get a call "I'm here, where are you?" Right where I said says I. Guided him back and got the pizza (very good I might add). Flashing lights might have been a good thing that evening....
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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08-19-2020, 07:15 PM
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#12
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Junior Member
Join Date: Jul 2012
Posts: 17
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I started out doing this to use as a marker for friends to find my camper at the race track and the campground. Now I do it most of the time camping. It gives off just enough light all around the camper to see at night. I don't have to string any lights at the camp site. It also keeps most of the bugs away from me, the outdoor kitchen, and the entry door.
I did replace all the bulbs to LED. The incandescent bulbs would keep the fan running on my converter all night.
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08-20-2020, 07:44 AM
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#13
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Senior Member
Join Date: Jul 2019
Location: Richmond
Posts: 625
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Quote:
Originally Posted by JRTJH
There is a "simple mod" that you can do to light your running lights and tail lights. Use a 15 amp fuse, bend the two legs slightly and plug that fuse into your trailer umbilical, pins 3 and 4. That's the two pins, one on each side of the "keyway" (alignment block on the plug)... Pin 3 is running/tail lights and pin 4 is +12 VDC.
If you "really want to be fancy, use a flasher module instead of a fuse. Your running lights will flash based on the frequency of the flasher unit's setup.
Wiring diagram and a photo of the fuse placement below. Note the photo has a 20 amp fuse. A 15 amp is all you need with LED running lights.
ADDED: The mod can help identify your trailer if you have emergency responders or a pizza delivery on the way... Just tell them, "Look for the trailer with the flashing running lights, we'll be waiting for our supper".....
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Kind of like that idea...lol...figured it had to be something for show...
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08-27-2020, 08:26 AM
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#14
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Senior Member
Join Date: Sep 2017
Location: Qualicum Beach
Posts: 555
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Quote:
Originally Posted by Sarge2
Why do some TT's have their running lights on at night? Just sitting unhooked from the tow vehicle?
Is it decoration or is there some other reason... Is it a modification that the owner did or is that factory?
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Newer vehicles turn off the power to the 7 pin plug unless the car/truck is running and maybe even in gear. The older vehicles have power all the time.
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08-27-2020, 12:41 PM
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#15
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Member
Join Date: Dec 2018
Location: Pensacola
Posts: 63
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We are on a trip trough SD from Fl. I saw my first camper with all the running lights on at the last stop he said he got a plug from Amazon which turns the lights on switch but all those lights on which were LEDs are very annoying to other campers they have to sit and look at them. Turn them off after you find your way back to your camper.
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08-27-2020, 01:19 PM
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#16
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Senior Member
Join Date: Dec 2019
Location: Trinidad,TX
Posts: 973
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Quote:
Originally Posted by STJ
We are on a trip trough SD from Fl. I saw my first camper with all the running lights on at the last stop he said he got a plug from Amazon which turns the lights on switch but all those lights on which were LEDs are very annoying to other campers they have to sit and look at them. Turn them off after you find your way back to your camper.
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I concur, it is very annoying.
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08-27-2020, 01:51 PM
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#17
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,742
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Quote:
Originally Posted by CedarCreekWoody
I concur, it is very annoying.
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I agree, if I want to look at a bunch of clearance lights glowing at night I'll stay in a rest stop on the interstate. When they first started selling the large "globe" awning lights my idiot BIL bought it and loaded it up with 60 watt bulbs. His camper looked like amused car lot.
Our unit has the amber step lights and that's what we use most. I installed an LED strip on the awning roller for more lighting when needed. It's color (RGB leds) and has the ability to produce many colors and effects. I've found using a greenish blue glow doesn't diminish my night vision nor attract bugs. I don't use the flashing, chasing, color changing or any other of the 80's disco functions.
JMHO YMMV
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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08-27-2020, 03:27 PM
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#18
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Senior Member
Join Date: Jul 2015
Location: Windsor
Posts: 236
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IMO the lighting is right there with outdoor speakers and outdoor TVs.
I remember the three way music festival (Battle?) at one campground.
Screamo Hard Rock competing with Rap competing against Mexican Polka/Mariachi. Of course all 3 would just keep turning the volume up. We left for home early on that trip.
__________________
2016 Cougar 1/2 Ton Series 283 RETWE
2018 F150 EcoBoost FX4 Lariat Max-Tow and Heavy Duty Payload Package
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08-27-2020, 04:02 PM
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#19
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Senior Member
Join Date: Jan 2013
Location: Indiana
Posts: 2,705
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You don't need to use a bent fuse. All you need is a short wire (2 or 3 inches long), and simply stick each end into pin slot 3 and 4. You can also bend the pins on a car turn signal flasher and plug it into pin slots 3 and 4. Then your running lights will flash on and off. If you really want to pi$$ off your neighbor camper, do this! He'll hate you for it!
I do carry a bent car turn signal flasher in my box of RV tools and junk. If I ever had to drop the trailer on the side of the road and leave it, I can plug in the flasher in the trailer unbilical cord and the lights will flash. (at least until the on-board battery ran down.) And FYI.... I've never HAD to use it, but on occasion, if camping on the 4th of July, and campgrounds won't permit fireworks, I have, in the past, plugged in the flasher to celebrate the 4th of July.
__________________
2019 Montana High Country 375FL
2014 Chevy Duramax HD 6.6 - 3500 Diesel Dully Long bed Crew Cab
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08-27-2020, 04:27 PM
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#20
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Member
Join Date: Dec 2018
Location: Pensacola
Posts: 63
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Now I agree with the flasher item for emergencies maybe for a couple hours on Fourth of July but I also can’t imagine any reason why I would leave my trailer on the side of the interstate I do have a motorcycle I can unload and go get help necessary. But you just never know what’s gonna happen out on the road. Currently sitting by the lake in Fort Thompson South Dakota grilling porkchops headed out day after tomorrow for the Black Hills. Day 20 of a 65 day trip to South Dakota from Pensacola, Fl
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