Thanks Jerry. We hitched the trailer up to our big truck and all was
well. Now my Brother-in-law gets to troubleshoot his end of the wiring
;-). What he installed on the Dakota actually has both a 7-pin and
4-pin connections. I'm glad it wasn't on the trailer because I really
wasn't too thrilled with crawling under the trailer to check wire
connections for not-my-camping-trip. ;-)
Heather
On 9/1/10, Jerry Jones <jjerryj@suddenlink.net> wrote:
> Heather, Nada and I just got back home from our big Glacier+ trip a few
> hours ago, but hope to be addressing this problem a little later tonight. We
> have found a number of issues regarding miswiring when the 4-pin adapter is
> rewired (or wired in parallel with the 7-pin adapter. One is simply getting
> the appropriate wires mixed up. Another is the failure to add a larger
> ground lead to the 7-pin, since the 4-pin ground is usually too small to
> handle the extra return current from the battery charge lead.
>
> If someone wishes to check the wiring from the tow vehicle, contact Mary
> Whitmore and she will mail a little test meter I cooked up to check the
> 7-pin tow vehicle wiring. Look back to find the message from her and contact
> her off-forum by using the "Send email" option beside her message. It will
> go to the first requester, on condition that person will forward it to the
> next person asking, and send me a tracking email.
>
> As David Bertschinger pointed out, the external lights on the trailer are
> entirely separate--or are supposed to be (with the exception of the ground
> lead) from all the other tow vehicle wiring, and the battery charge lead.
>
> More, later
> Jerry J
>
> ----- Original Message -----
> From: hfrystak
> To: tabtrailers@yahoogroups.com
> Sent: Tuesday, August 31, 2010 11:36 PM
> Subject: [tabtrailers] Re: Electrical Problem
>
>
>
> Has this situation been resolved? Just asking because my sister is going
> to borrow my trailer. We hitched it up tonight and had an "oh crap" during
> the light check - everything was fine with blinkers and side lights, but
> *everything* turned off when they hit the brakes. We were testing with the
> headlights of the TV (a Dodge Dakota w/ an aftermarket plug-it-in tow wiring
> that has a 7 pin & 4 pin hook up). Needless to say, she left without the
> trailer & I haven't hooked the trailer up to my truck to see if it's doing
> the same with my big dodge.
>
> Heather
>
> --- In tabtrailers@yahoogroups.com, drb777@... wrote:
> >
> > mariolw3, I would suggest you check the junction box under the trailer,
> at the other end of the trailer's 7-round cord/plug. After removing a small
> plastic shroud, open-up the metal junction box and inspect the (in my case
> vary sloppy) wire-nut connections. It's possible that any of the 3 wires
> directed to the rear, R & L turn and tail wires, is grounding-out and
> causing the fuse to trip. Which fuse is it? Actually, the fuses inside the
> trailer don't directly control the outside trailer lights. Let us know what
> you find out. Good luck, David-OKC-TABalloy #905
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: mariolw3 <mariolw3@...>
> > To: tabtrailers@yahoogroups.com
> > Sent: Sat, Aug 28, 2010 12:38 pm
> > Subject: [tabtrailers] Electrical Problem
> >
> >
> >
> >
> > This problem may have been listed before, but I checked the database and
> files without finding an answer to it.
> >
> > When we hooked up our T@B #056 to our tow vehicle, a Dodge Dakota and go
> through the electrical check of brakes and lights we found a problem.
> >
> > When the brakes on the truck are applied the brake lights on the T@B do
> not come on. And also a fused in the trailer then is tripped.
> >
> > We have used sandpaper on the connection plug for any corrosion, but are
> wondering what the solution might be?
> >
> > Has anyone had this problem?
> >
> > Happy Trails.
> > mariolw3 #056
> >
>
>
>
>
--
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