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6 WAY ROUND TO 7 WAY BLADE PIGTAIL

frecku
Explorer
Explorer
I just got a new to me, 97 Dodge Ram 2500 to pull my 20' TT. Unfortunately the plug on the bumper is a 6 way round.

So what are my options :

Should I pull it off and install a new 7 blade plug ?

or

Use this 6 to 7 pigtail...

http://www.ebay.com/itm/230929467570?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

Since it is missing the "purple" wire does this mean that I will not have the reverse lights ?

http://www.etrailer.com/faq-wiring.aspx

Thanks
9 REPLIES 9

Bob_Landry
Explorer
Explorer
I would put a 7 way on the truck and forget it. an adapter is going to add 13 connections that introduce the possibility of 13 potential problems when you least expect them. 7Way connectors are pretty much standard.
2011 Keystone Outback 277RL

westend
Explorer
Explorer
Yes, you will NOT have back up light capability with a 6 pin connector. You will need to upgrade to a 7 pin connector to have back up lights.

Pin outs of standard trailer connectors:
'03 F-250 4x4 CC
'71 Starcraft Wanderstar -- The Cowboy/Hilton

frecku
Explorer
Explorer
Thanks for all the ideas, yes I do have have backup lights on the TT, they are nice and bright from LET Trailer.

It is a nice feature when backing up into campsites at night.

Am I correct in understanding that by simply using the pigtail from 6 round to 7 flat I will not be able to have the backup lights ?

KD4UPL
Explorer
Explorer
I would change the truck to a 7 pin. I had trailers with 7, 6, and 4 pin plugs. I got tired of never having the right adapter when I needed it. I changed all the trailer plugs to 7 pin and now everything fits without adapters.

Old-Biscuit
Explorer III
Explorer III
Do you have 'reverse lights' on your TT?
Is it time for your medication or mine?


2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31

SoCalDesertRid1
Explorer
Explorer
On both my F350's, I installed all 3 of the most common style trailer connections: 7-way blade RV, 6-way round utility, and 4-way flat utility. I tow trailers using all 3 styles of connector, with both trucks. It's simpler for me to have all 3 styles on each truck, instead of using adapter harnesses. I also keep 2" and 2-5/16" hitch balls on ball mounts, in both trucks. ๐Ÿ™‚
01 International 4800 4x4 CrewCab DT466E Allison MD3060
69Bronco 86Samurai 85ATC250R 89CR500
98Ranger 96Tacoma
20' BigTex flatbed
8' truck camper, 14' Aristocrat TT
73 Kona 17' ski boat & Mercury 1150TB
92F350 CrewCab 4x4 351/C6 285 BFG AT 4.56 & LockRite rear

RoyB
Explorer II
Explorer II
I would go with the 7-way BLADE connections since that is the standard for the RV TRAILER WORLD...

The 7-way and 4-way trailer connector and built-in brake controller handles all of my two RV trailer connections and utility trailer connections we use here with my 2010 F150 truck.

Photos from GOOGLE search

Either way is OK electrical wise as long as you know what you need to be using and what will be missing...

ETRAILER has you covered and are great folks to work with...

Roy Ken
My Posts are IMHO based on my experiences - Words in CAPS does not mean I am shouting
Roy - Carolyn
RETIRED DOAF/DON/DOD/CONTR RADIO TECH (42yrs)
K9PHT (Since 1957) 146.52M
2010 F150, 5.4,3:73 Gears,SCab
2008 Starcraft 14RT EU2000i GEN
2005 Flagstaff 8528RESS

Yardvarkers
Explorer
Explorer
http://www.rverscorner.com/wiring/index.html
"Any good that I can do, or any kindness that I can show to any fellow creature, let me do it now. Let me not defer or neglect it, for I shall not pass this way again."
- William Penn

jerem0621
Explorer II
Explorer II
I would prefer to cut the 6 way off and have a 7 way. The adaptor will work fine. It's just two more connections in a critical system.

Thanks

Jeremiah
TV-2022 Silverado 2WD
TT - Zinger 270BH
WD Hitch- HaulMaster 1,000 lb Round Bar
Dual Friction bar sway control

Itโ€™s Kind of Fun to do the Impossible
~Walt Disney~