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Brake Light Question

Just_Lee
Explorer
Explorer
I have a 96 Tracker all set up to tow and I have a question.

My brake lights on the Tracker work even with the key off. I have the Ready Brake braking system installed.

The Tracker gets power to the brake lights from the Motor Home AND when the brakes are applied with the Ready Brake.

Should I be concerned that the brake lights are getting power from 2 sources? Right now I disconnect the Battery on the Tracker, but it is a pain.

Thanks LeeB
2004 Meridian towing 96 Tracker
If you don't stand behind our TROOPS feel free to stand in front of them during a fire fight

In God We Trust ALL Others pay CASH
7 REPLIES 7

FIRE_UP
Explorer
Explorer
Just Lee,
This is one of those things that never is realized when wiring things a certain way and, the use of an auxiliary braking system like Ready Brake is used. By a certain way I mean, using the stock tail lights as toad lights. I've been doing it that way for decades without any issues. Let's say you wired your toad so that the original tail light bulbs are also used when towing it. Now, this is also assuming that you "DON'T" have amber turn signals on the toad. That's a whole other set of circumstances.

But, here's the deal. You wire your toad so the original tail light bulbs are activated when using the motorhome brakes. And, when you put a turn signal on in the coach, your toad will display the same signal, correct? Ok, all is fine. But, here comes the "Ready Brake" into the picture.

So, you're approaching a turn, and, putting on the brakes of the coach. Your brake lights come on in the coach, and so do the toads and, you put your turn signal on. Now, normally this is not an issue and all will work fine. But, the Ready Brake is applying the brakes in the toad. As you have noticed, the key is off and, when the brakes are applied in the toad, the brake lights will come on. So now, you've got two sets of signals heading to those toad lights. Brake lights,(from the coach and the toad) and turn signals from the coach.

But, you've got another set of signals coming from the brake light switch on the toad, also heading to those toad lights. Hmmmmm

So, what happens? Well, you can't have two conflicting signals going to the same filament, in the same bulb. Only one is going to take priority. To tell you the truth, I'm not sure which one will be the winner because I've not followed myself or anyone else that has this issue. I will tell you what I did to remedy it. My solution is plain and simple.

I cut the brake light wire from the brake switch in the toad and sent it up to very close to the door jamb. There I installed a tiny, double throw toggle switch. I then put that wire in the center position on the switch. On one leg of the switch, I sent it right back to the connection on the brake switch on the toad. On the other leg, I sent that wire all the way up to the front of the toad, and through the pig tail, all the way to the dash on the coach.

I then installed an "LED" in the dash of the coach. Now, when the toad is hooked up and ready to be towed, I flip that switch, so that when the Ready Brake is applied, the signal from the brake pedal in the toad is sent to the dash on the coach. That way, I can tell if the brakes are being applied in the toad.

But, when it comes time to drive the toad, then all I do is flip that switch to the other side and the signal from the brake light switch on the toad, goes to the brake lights on the toad, as is does normally.

Yes, the diodes are installed in the system, down stream from the intersection where I tied into the factory wiring. That's so the signal from the coach doesn't go down stream all the way to the steering column and the front set of lights on the toad. Incidentally, I don't get those high dollar diodes from all the specialty places, I use the $3.00 pack from Radio Shack and it has worked absolutely flawless for well over 30 years. Good luck.
Scott
Scott and Karla
SDFD RETIRED
2004 Itasca Horizon, 36GD Slate Blue 330 CAT
2011 GMC Sierra 1500 Ext Cab 4x4 Toad
2008 Caliente Red LVL II GL 1800 Goldwing
KI60ND

Wheel_Estate
Explorer
Explorer
you may find out that your TURN signal won't work on the towed. when you apply brakes on the MH at least, because the light will have power from the towed brake ...so it will not allow turn to flash (fed from MH).
Rick & MaryAnn
drive a Phaeton with
SMI brake stopping a Jeep toad

images
Explorer
Explorer
I installed a plug n play wiring harness from Demco in my 2007 vue and to my suprise when I apply the brakes on the tow car the brake lights come on in the motor home.
I was under the impression that the diodes would stop a back-feed to the motor home.
When I called Demco I was told that the diodes in the harness would protect from a back-feed causing damage but the condition I have was normal and don't worry about it.
Everything seems to work OK but if anyone has any additional info I am still interested.
Joe & Deb And A Senegal Parrot named Sunny

Dutch_12078
Explorer II
Explorer II
I prefer to have my brake lights come on regardless of which brakes are activated. When the coach brakes are applied, all six brakes lights, three on each vehicle, come on. If the toad brakes are applied by my ReadyBrute/ReadyBrake tow bar without the coach brakes being applied for some reason, only the three toad brake lights will come on. That includes if they ware applied by the emergency breakaway cable. The diodes protect both vehicles from any cross feeding.
Dutch
2001 GBM Landau 34' Class A
F53 chassis, Triton V10, TST TPMS
Bigfoot Automatic Leveling System
2011 Toyota RAV4 4WD/Remco pump
ReadyBrute Elite tow bar/Blue Ox baseplate

Just_Lee
Explorer
Explorer
It already has Diodes so does that mean it does not feed back?

Thanks I'll check out the Roadmaster site......
2004 Meridian towing 96 Tracker
If you don't stand behind our TROOPS feel free to stand in front of them during a fire fight

In God We Trust ALL Others pay CASH

D_E_Bishop
Explorer
Explorer
Check the Roadmaster site, they have a proper work around for that.
"I travel not to go anywhere, but to go. I travel for travel's sake. The great affair is to go". R. L. Stevenson

David Bishop
2002 Winnebago Adventurer 32V
2009 GMC Canyon
Roadmaster 5000
BrakeBuddy Classic II

lanerd
Explorer II
Explorer II
Good question. I'm not sure of the electrical system in a 96, but i would think that it shouldn't be a problem. However, to make sure it isn't, why don't you put in a couple of diodes?

Ron
Ron & Sandie
2013 Tiffin Phaeton 42LH Cummins ISL 400hp
Toad: 2011 GMC Terrain SLT2
Tow Bar: Sterling AT
Toad Brakes: Unified by U.S. Gear
TPMS: Pressure Pro
Member of: GS, FMCA, Allegro


RETIRED!! How sweet it is....