D4 Electric Trailer Brake Wiring

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Originally Posted by LRD414

And if you got the D4-5S Traxide kit you will be running a wire across to LHS anyway, for connection to the LHS power socket, which is additional to the new Traxide RHS power socket. This step will be in the Traxide instructions if you have that kit but in any case it is easy, just remove the tailgate flap section and lift carpet to place wiring.

Scott

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Thanks Scott,

what about the cables for the Tow Pro though? Do I need to run them across at the same time or do they wire in at the RHS light?

So... I am running down the right hand side to the rear storage area. New plug goes in there. Then run cables across for the other plug.

And yep, I got the D4-5S as I need the Anderson plug at the rear for charging the CT. Need to do it all this weekend, I'm off to Mt Kosciusko for ANZAC weekend to take some photos. :D Cannot wait.

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Originally Posted by Smocky

what about the cables for the Tow Pro though? Do I need to run them across at the same time or do they wire in at the RHS light?

So... I am running down the right hand side to the rear storage area. New plug goes in there. Then run cables across for the other plug.

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The traxide exits at the drivers side tail light for the anderson plug but the cig lighter feed runs along the exact same path as what you'll use for the Tow Pro to the passenger side cubby. So short answer, YES, run them over from driver to passenger side at the same time.

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Originally Posted by strydes

The traxide exits at the drivers side tail light for the anderson plug but the cig lighter feed runs along the exact same path as what you'll use for the Tow Pro to the passenger side cubby. So short answer, YES, run them over from driver to passenger side at the same time.

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Right, got it. Also found that very useful PDF document that has been put together. It shows the cable being crossed from right to left.

I think I'm good to go. Just need the kit to arrive with the cabling and I'll be hacking in to my beautiful car with drills and screwdrivers !! :o

Quote:

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Originally Posted by Smocky

Also found that very useful PDF document that has been put together.

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You're welcome ;)

I've run all the cables, but the wiring loom is all packed in tight as a drum. I can't see the brown wire that is talked about in the instructions.

Any tips for where to find the wire or how to gain access to it?

Thanks very much,

Smocky.

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Originally Posted by Smocky

I can't see the brown wire that is talked about in the instructions.

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Assume you mean the brown wire that must be cut to become the brake signal wire?

It is covered by wrapping with a barcode tape in the LHR storage cubby.
Once you have stripped off the wrapping and barcode you should see something like this photo.
https://www.aulro.com/afvb/images/im...016/04/404.jpg

The brown wire that's exiting and goes through the rear grommet to the trailer plug is the one to which you want to connect after it's cut.

You can see the rear a/c unit to the top-right of this photo, which is empty space if one isn't fitted. Grommet to tail light is to the bottom-left of photo.

Scott

This is the view i have.

Attachment 108361

So it's under the barcode?

And the red one?

Thanks for your help Scott, the traxide kit is all wired up, just need to wrote the tow pro now

Sent from my SM-G920I using AULRO mobile app

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Originally Posted by Smocky

So it's under the barcode?

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Yep that's it. I can't remember the red one exactly. Check back earlier in this thread.

Cheers,
Scott

OK that took a lot longer than I expected, but I was taking my time as I hacked at my $90k pride and joy :D

Both the Traxide D4-5S kit and the Redarc Tow Pro fitted.

Things that slowed me up (and may provide some tips to others who follow)

Pulling the wiring from rear to drivers footwell, especially under the B pillar. Definitely need a coat hanger here but be careful not to jag other wires. Just be patient and slow

Taking a hacksaw to the dash behind the light binnacle to make room for the tow pro remote head.

Drilling 2 holes for the remote head in the binnacle

Finding the right wires in the LHR cubby. (Under the barcode and remove a lot of black tape)

The wire I ran from the brake controller to the rear to pickup the stop light was marginally short. This made it difficult to connect up.

Soldering in the diode, not as easy to make it stick as I thought. Not sure if it's 100%, still may need to fix that.

Other than that, it's just follow the instructions and take your time. It's DEFINITELY much easier to do once you've done one. Anyone that has already completed it will think it's pretty straight forward now (including me) but I found it pretty daunting first time working on this car.

Can't thank you guys enough for all the help. If you're doing this, read pages 1- 13 or so 4 times, not once or twice. All the info is there, just can get a bit confusing in all the conversation.

On to the next project !!

:D

Smocky.

Just picked up a camper for the week And The brake controller is fitted in the trailer. All working ok but after about 20 minutes the brakes lock on in the trailer. Any suggestions please....

Further to this... its seems to be the when the lights come on or goes into reverse it locks them. Rest of the time they are fine. (Hence why they locked when i went into the tunnel in Brisbane :D) Will run with that knowledge until i get a redarc Tow pro installed.

Just did a 20 minute test run with the automatic lights off and no issue