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Old 05-01-2012, 12:52 PM   #1
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invisibrake malfunction

We are new to towing. This week we had the Roadmaster Invisibrake installed on our 2012 Honda CRV. Towed it home with no issues. Now when driving the CRV the invisibrake, for no reason, activated and pressed the brakes. Not good with a logging truck behind me. After the 15 seconds it released and I started down the road again. This happened again going 40 miles an hour. Dialed down the pressure to zero to get home. Now everytime I depress the brake pedal on the CRV the Invisibrake activates. It also activates without warning driving down the highway. This was all done when not connected to the motor home. Taking it back to CW tomorrow. Just wandering if anyone has any suggestions on why it is doing this, or similar experiences.
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Old 05-01-2012, 01:25 PM   #2
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Our invisibrake acted similarly after the initial install. I carried it back to the service dept and they said the diaphram inside the unit was installed backwards. They changed that and there have been no problems since. Not sure if the problems are identical but you might mention that to the service folks.

Good Luck!
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Old 05-01-2012, 03:57 PM   #3
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Yikes, I hope they can get that fixed for you. Scary!
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Old 05-01-2012, 06:18 PM   #4
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This is a guess. this is only a guess, but it is an educated guess.

The invisibrake hooks to 3 wires on your lighting system, plus battery and ground.
Those are Tail lights (used to recharge your towed battery) Right Turn, and Left Turn.

It activates any time both right and left turn are "hot" at the same time.

IF, they hooked it up to the WRONG part of the electrical system (Post diode instead of pre-diode) or if the diode isolators fail, or if you suffer some other kind of failure that causes the turn signal leads to go HOT.

It thinks "Stop me"
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Old 05-02-2012, 04:58 PM   #5
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Cw had spliced into the wiring for the brake lights using diods. They called Roadmaster and were told the 2012 CRV has to be wired using a seperate bulb for brake lights. So CW ran seperate wiring and bulbs (not tied into existing CRV wiring) and said it all tests OK now. So I paid parts and labor twice to get the invisibrake installed. I will hook it up to motor home tomorrow and see.
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Old 05-03-2012, 07:44 AM   #6
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Why did you have to pay for them to fox it the second time, they made the mistake and should have fixed it.
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Old 05-07-2012, 04:47 AM   #7
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Our Invisibrake took 2 trips to finish the installation correctly. Worked fine after that until we got back from a long trip. Now it's just dead. Doesn't do anything, motorhome dash indicator does not light, Jeep brakes do not engage. I pulled the break-a-way switch plunger out which use to cause the compressor to run but it does nothing now. It's like it is getting no power. Since I had it installed I don't know where the connections are. I looked it over and found a small fuse that seems fine. Any ideas? I have an appointment in a couple weeks but if anyone has an idea maybe I can fix it myself. I plan on calling the company, how are they at customer service over the phone?
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Old 05-07-2012, 08:38 AM   #8
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Lajuene:


We have an Invisibrake that I installed. We've towed it on one 1200 mile trip so far with no problems. I also drive the toad daily with no problems.


The only fuse I'm aware of is a 20 amp inline that should be in a red line attached to your toad's + battery terminal. Bright yellow holder.


Also, there is a troubleshooting guide in the Owners Manual. If you don't have an Owners Manual, you can download one here.


Let us know what you discover. Good luck.
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Old 05-07-2012, 09:19 AM   #9
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I found the yellow fuse holder, mine is a 10A fuse. It looks fine, unbroken. All the wires seem to be connected just fine. There has been no change except we towed 1600 miles, half of which was in the rain. I emailed the company for tech support, we'll see if they can troubleshoot it over the phone. Otherwise I guess it's to the dealer. My dealer is not very good at this system but they installed it so.... I did work for a couple months on short trips.
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Old 05-07-2012, 10:10 AM   #10
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Quote:
Originally Posted by mover View Post
Cw had spliced into the wiring for the brake lights using diods. They called Roadmaster and were told the 2012 CRV has to be wired using a seperate bulb for brake lights. So CW ran seperate wiring and bulbs (not tied into existing CRV wiring) and said it all tests OK now. So I paid parts and labor twice to get the invisibrake installed. I will hook it up to motor home tomorrow and see.
Dang mover.. Are you telling me I called it? WOW.. Considering I have never actually SEEN an Invisi brake system (just read the install manual and other lit on it).

Thanks by the way.. (IF you read my earlier post that is exactly what I was talking about.. That said.. Should have still worked properly even with the diode hookup.. Provided they did it properly.. which it appears they did not. Which alas.. Does not surprise me.)
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Old 05-07-2012, 10:13 AM   #11
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I will add one thing:

I once hired a RV service tech to do an install of an after market system on my Coach.. She (Yes it was a woman) Started by spreading the instructions on the ground under the rig and weighting the corners,

Then she went down the list, reading and following every step as described.

Of course, the job was done right,, Absolutely no problems in the six years it's been installed on the rig.. Absolutely no complaints and when I need help with a repair.. I have her on speed dial.

I see so many who "Just know how to do it"... Wrong.. She impressed me.
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Old 05-08-2012, 04:24 AM   #12
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I uploaded a photo...
Wire corroded because it was under the floor mat and carpet and it appears to have been worn down from scuffing and rubbing which allowed water on the floor to enter. It was all green powder for a foot of the wire. This caused the device to stop working. cutting that piece out fixed it. I will need to run the wire elsewhere or put it into some kind of conduit.
Tech at Invisibrake had me check the wire and that was the problem, simple but I was stuck on a connection problem, not a problem in the middle of the wire run.
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Old 05-08-2012, 06:10 AM   #13
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Quote:
Originally Posted by lajuene View Post
I uploaded a photo...
Wire corroded because it was under the floor mat and carpet and it appears to have been worn down from scuffing and rubbing which allowed water on the floor to enter. It was all green powder for a foot of the wire. This caused the device to stop working. cutting that piece out fixed it. I will need to run the wire elsewhere or put it into some kind of conduit.
Tech at Invisibrake had me check the wire and that was the problem, simple but I was stuck on a connection problem, not a problem in the middle of the wire run.
I should have thought of that, had the radio wires in my truck do the same thing. Ended up running them down the side by the door in a small piece of tubing. Glad you were able to get it fixed.
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Old 05-08-2012, 06:45 AM   #14
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I should have thought of that, had the radio wires in my truck do the same thing. Ended up running them down the side by the door in a small piece of tubing. Glad you were able to get it fixed.

Yeah, saved me a couple hundred probably with the labor rate they charge. Mt dealer barely knows more than I do it seems on a lot of issues. They were unaware that batteries should not be run down below 12.2V or so. They ran mine down to 11V over the winter and froze 2 of them. Tried to say it wasn't their fault. New ones too. We settled on splitting the cost. Didn't want to poison the well as I get a lot done there. Unfortunately they are still considered the best place around and they are good but you can't blindly trust them at all. You have to research and go in knowing what you want them to do.
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