ParkLiner & Ford Escape - Page 5 - Fiberglass RV


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Old 04-20-2015, 07:29 AM   #57
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For what it's worth, here is a blow-by-blow of my installation. I was very careful, as I know wiring has to be correct or it just doesn't work. Where could the problem be? I've changed the plug into the controller, I've changed the plug at the back of the car. Last year I did continuity tests on everything I could, and no luck. Can anybody spot in these first few posts where I went wrong?

7 pin RV plug installation in 2013 Ford Escape with factory tow package

Otherwise, I will get at these suggestions when I get home tonight. Thanks for the help Norm (and others). I will keep you posted.

Frank
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Old 04-20-2015, 07:38 AM   #58
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Frank,

Out of curiosity, what do you mean when you say the Ford doesn't see the brakes?

I'm guessing you mean that the P2 brake controller doesn't "see" the brakes, yes? (My Prodigy RF indicates ".c" when it sees the trailer is connected.)

The instructions for my Curt TriFlex
Controller (that we used in the CRV) had some very specific instructions for which wire you needed to tap into on a Ford vehicle. It said to not use one wire (color & stripe color) and to use another wire (color & stripe).

I think the Curt install instructions are available online. Also, since etrailer.com also sells Curt controllers, I'm sure someone at their help line would know which brake wire to tap into.

Good luck!

Ray

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Old 04-20-2015, 07:46 AM   #59
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Basically Ray, it just shows a very red screen with a little RV with a diagonal red line through it. That is when it is in the Escape. When it is in the truck, it works normally.

I still cannot for the life of me understand why Ford sells a vehicle with a 3500# tow capacity, and does not make it simple to connect a 7 pin rv plug. What state allows trailers weighing 3500#s to NOT have brakes? Maybe a few, but not many. We figured this car would be "the keeper" taking us into retirement, towing a lightweight fiberglass rv. I doubt that is the case after all the issues we've had with it.

My 2011 Ford Fiesta has developed a skip in the audio system after an hour or so of driving. It literally interrupts whatever audio is playing. Unfortunately, that Ford is out of warranty, so that's something else electronic I'm trying to get a handle on!

The only problem I have with my 2001 F150 is the mileage it gets!

Frank

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Frank,

Out of curiosity, what do you mean when you say the Ford doesn't see the brakes?

The instructions for my Curt TriFlex Controller (that we used in the CRV) had some very specific instructions for which wire you needed to tap into on a Ford vehicle. It said to not use one wire (color & stripe color) and to use another wire (color & stripe).

I think the Curt install instructions are available online. Also, since etrailer.com also sells Curt controllers, I'm sure someone at their help line would know which brake wire to tap into.

Good luck!

Ray
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Old 04-20-2015, 07:49 AM   #60
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Ray, the controller should see the brakes if the controller is connected to power and ground and the blue brake wire is connected to the trailer brakes.

Nothing else needs to be connected to see the trailer brakes, to see the little 'c' on the controller. No wires need to go to the Escape.

What I'm trying to do is verify that part of the wiring. I know it may be redundant with other tests already done but it's what I'd do as a first step.
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Old 04-20-2015, 08:31 AM   #61
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ParkLiner & Ford Escape

Ok. I looked up the Curt instructions ....
"NOTE: Stoplight switch connection on Ford vehicles including, Mercury Mountaineer. Do not connect to the red wire with a green stripe. Connect to the light green wire only."

I guess there may be a couple of wires that might seem right, but the blue P2 wire should only be attached to the light green one. ??

Because the Prodigy RF avoids the whole issue of which Ford wire to tap into, I never actually looked at those wires. I just remembered the note because we had the Curt TriFlex in our CRV.

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Old 04-20-2015, 08:40 AM   #62
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Originally Posted by honda03842 View Post
Raz,

This should not be a Ford issue. The controller is really an independent device. It should see the presence of the trailer brakes, mine does even with the engine off. Yes an RV shop should be able to fix this problem.
I fully agree. That's why I suggested the measurements at the controller plug and the 7 pin. These measurements will identify any fault. In wiring a brake controller the only tricky connection is finding a brake on signal. Twelve volts on the red brake controller wire when the pedal is pressed confirms he got the correct line. Frank says he dd these measurements and took notes?? He should check his notes. Raz
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Old 04-20-2015, 08:44 AM   #63
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I'm pretty sure I didn't attach it to a wire with any red on it Ray, but it sure seems to me it was a wire with a stripe.

This is very frustrating, as I can't look until I get home after work!

Thanks for checking that out for me, much appreciated.

Frank

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Originally Posted by rdickens View Post
Ok. I looked up the Curt instructions ....
"NOTE: Stoplight switch connection on Ford vehicles including, Mercury Mountaineer. Do not connect to the red wire with a green stripe. Connect to the light green wire only."

I guess there may be a couple of wires that might seem right, but the blue P2 wire should only be attached to the light green one. ??

Because the Prodigy RF avoids the whole issue of which Ford wire to tap into, I never actually looked at those wires. I just remembered the note because we had the Curt TriFlex in our CRV.

Ray
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Old 04-20-2015, 08:46 AM   #64
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If he connected to the red wire with the green stripe, the Curt TriFlex install instructions would seem to suggest that could be the problem.

Ray


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Old 04-20-2015, 08:49 AM   #65
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No problem, Frank!

I know how frustrating some of this stuff can be.

Best of luck to you! 😊

I sure hope you will let us all know how this turns out. I'm now really curious. 😉

Ray


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Old 04-20-2015, 08:58 AM   #66
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Test

There are four Prodigy wires.

Black is +12 vdc
White is ground
Blue goes to the trailer brakes
Red goes to the tow vehicle brakes depressed switch.

The controller should see the trailers brakes with or without the brake (red wire) connected.

I connected a spare brake coil across the two pins of my tow vehicle, on my connector the two pins at the bottom of the connector. The 'c' came right up on the Prodigy display without doing anything.

Just about any resistor will work, 10-25 ohms. The wattage is not critical. It will just burn out after a while if it's too low.

If the c comes on it means the two connectors, ie. trailer and tow vehicle are not wired the same.

If the c does not come on try the test at the Prodigy's connector.

If you have some one watch the prodigy's display you can skip the resistor and just quickly short the two pins, You may not get the 'c' but you will get an overload signal showing the wires are there and work.

Be sure you know which two wires are the brake and ground on your trailer connector.
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Old 04-20-2015, 09:14 AM   #67
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Thanks for correction/clarification, Norm!

I learned something and, for me, that's always good!

So maybe disconnect the red and leave the blue connected and then look for the trailer bakes indication?

Then hook up the red wire to the proper Ford stoplight switch wire and see what happens?

Since Frank bought his parts from etrailer.com, it seems like they should be able to help identify the correct wires?

Just a thought.......

Ray

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Old 04-20-2015, 10:13 AM   #68
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Frank,

When you connect the Escape to the trailer do all the other functions work properly...brake lights, turn signals,...
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Old 04-20-2015, 12:26 PM   #69
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Quote:
Originally Posted by jennykatz View Post
Is this normal to have problems with brake wiring or is this a ford escape problem ? Would'nt a RV place handle this easily ?
My experience with a similar frustrating issue with a Subaru would suggest that yes a hitch shop may be able to pin point the actually issue quickly. In my case it was a tiny electrical modular box built into the 7 pin towing harness that was attached to the factory installed 4 pin system that was malfunctioning.

Took the shop less than 10 min to find & fix the problem. Funny enough I had told the Subaru dealer about the problem and asked they check the cars computer for an error code - they didnt find one as the car was doing what it was suppose to do - it was the box it was talking to that wasn't.
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Old 04-21-2015, 09:42 AM   #70
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Frank, When you connect the Escape to the trailer do all the other functions work properly...brake lights, turn signals,...
Yes Norm, everything has always worked fine for everything but brakes.

Last night was not a good night to play with the Escape. I will try and get at it soon with all the ideas that have been brought up here. As usual, I have been taking notes...

Thanks all!

Frank
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