One of these: https://www.etrailer.com/Wiring/Pollak/PK12741.html <https://www.etrailer.com/Wiring/Pollak/PK12741.html>
and the appropriate adapters. Or just buy one of each: https://www.etrailer.com/Wiring/Brophy/F4CT.html <https://www.etrailer.com/Wiring/Brophy/F4CT.html> https://www.etrailer.com/Wiring/Tow-Ready/TR20116.html <https://www.etrailer.com/Wiring/Tow-Ready/TR20116.html> The 7 flat stabs in a round connector is probably most common, followed by the 6 round and then the 4 flat Mark > On Aug 7, 2018, at 10:11 AM, Chuck McCown <ch...@wbmfg.com> wrote: > > Yep, most common for RVs. > Have to have working brakes on everything. > > From: Nate Burke <> > Sent: Tuesday, August 07, 2018 7:36 AM > To: AnimalFarm Microwave Users Group <> > Subject: Re: [AFMUG] OT Trailer plug hell > > I might be wrong, but I think he means 7 flat pins in a round configuration, > as opposed to 7 round pins in a round configuration. > > What does UHaul Use for pin configuration? I figure that those trailers make > it from coast to coast on a weekly basis, so whatever they do is probably the > most standard. > > On 8/7/2018 7:53 AM, Mike Hammett wrote: >> I don't think I've ever seen 7 flat. >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions <http://www.ics-il.com/> >> <https://www.facebook.com/ICSIL> >> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> >> <https://www.linkedin.com/company/intelligent-computing-solutions> >> <https://twitter.com/ICSIL> >> Midwest Internet Exchange <http://www.midwest-ix.com/> >> <https://www.facebook.com/mdwestix> >> <https://www.linkedin.com/company/midwest-internet-exchange> >> <https://twitter.com/mdwestix> >> The Brothers WISP <http://www.thebrotherswisp.com/> >> <https://www.facebook.com/thebrotherswisp> >> >> >> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> >> From: "Chuck McCown" <>mailto:ch...@wbmfg.com <mailto:ch...@wbmfg.com> >> To: "AnimalFarm Microwave Users Group" <>mailto:af@af.afmug.com >> <mailto:af@af.afmug.com> >> Sent: Monday, August 6, 2018 9:39:43 AM >> Subject: Re: [AFMUG] OT Trailer plug hell >> >> 7 pin flat seems to be on almost everything around here except for the semi. >> It is round. But the wiring pinout of the connectors are diffferent. >> >> I think I am going to make come kind of comprehensive test box that has the >> plug, socket. Lights on each wire and a switch to energize each wire. >> >> From: Mike Hammett <> >> Sent: Monday, August 06, 2018 8:33 AM >> To: AnimalFarm Microwave Users Group <> >> Subject: Re: [AFMUG] OT Trailer plug hell >> >> 7 pin round is what's most common, but then there are different pinouts. >> What's "common" isn't so common. >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions <http://www.ics-il.com/> >> <https://www.facebook.com/ICSIL> >> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> >> <https://www.linkedin.com/company/intelligent-computing-solutions> >> <https://twitter.com/ICSIL> >> Midwest Internet Exchange <http://www.midwest-ix.com/> >> <https://www.facebook.com/mdwestix> >> <https://www.linkedin.com/company/midwest-internet-exchange> >> <https://twitter.com/mdwestix> >> The Brothers WISP <http://www.thebrotherswisp.com/> >> <https://www.facebook.com/thebrotherswisp> >> >> >> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> >> From: "Chuck McCown" <>mailto:ch...@wbmfg.com <mailto:ch...@wbmfg.com> >> To: "AnimalFarm Microwave Users Group" <>mailto:af@af.afmug.com >> <mailto:af@af.afmug.com> >> Sent: Monday, August 6, 2018 9:29:59 AM >> Subject: Re: [AFMUG] OT Trailer plug hell >> >> I have to do 7 pin round for the semi. I am planning to do 7 pin flat for >> everything else. >> But I want the wiring to be the same and I want it to be as common to other >> things as possible. >> >> I wish there were standards. >> >> From: Cameron Crum <> >> Sent: Monday, August 06, 2018 8:26 AM >> To: AnimalFarm Microwave Users Group <> >> Subject: Re: [AFMUG] OT Trailer plug hell >> >> They make adapters to go between. I find the old 4 prong to be the most >> common on the trailers I have used/rented. My truck came with both a 7pin >> and a 4 pin jack already installed, but it also has a stock trailer brake >> control. >> >> On Mon, Aug 6, 2018 at 9:15 AM, Chuck McCown < <> <>ch...@wbmfg.com >> <mailto:ch...@wbmfg.com>> wrote: >>> I have a bunch of trailers and a bunch of trucks. I even have a semi truck. >>> Is there a wiring orientation that is more used than the others? >>> I have found so many different socket and plug diagrams that I find it >>> amazing that it has never been standardized. >>> >>> I am going to build a converter so I can plug the semi tractor into some of >>> my other trailers that the the flat blade connectors. >>> It will take an electric brake controller in the semi and some kind of >>> diode box to combine some of the lines. Those are available on the retail >>> market. >>> >>> But the number of connections and the wiring of the connections seems all >>> over the map. >>> >>> Opinions please. >>> >>> >>> >>> -- >>> AF mailing list >>> <>AF@af.afmug.com <mailto:AF@af.afmug.com> >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >>> >> >> >> -- >> AF mailing list >> <>AF@af.afmug.com <mailto:AF@af.afmug.com> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >> >> -- >> AF mailing list >> <>AF@af.afmug.com <mailto:AF@af.afmug.com> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >> >> -- >> AF mailing list >> <>AF@af.afmug.com <mailto:AF@af.afmug.com> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >> >> -- >> AF mailing list >> <>AF@af.afmug.com <mailto:AF@af.afmug.com> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >> >> >> > > -- > AF mailing list > AF@af.afmug.com <mailto:AF@af.afmug.com> > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> > -- > AF mailing list > AF@af.afmug.com <mailto:AF@af.afmug.com> > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > <http://af.afmug.com/mailman/listinfo/af_af.afmug.com>
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