Tow hitch and wiring harness installation - Toyota FJ Cruiser Forum
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#1 (permalink) Old 01-07-2009, 12:13 PM
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Tow hitch and wiring harness installation

I installed the Toyota hitch on my 2007 FJ (just for using a hitch-mount bike rack, not towing a trailer) some time back. Toyota dealer said it would be "hard to do", suggested I have them do it (for a lot more money than I was willing to pay), but I did it myself with no problems whatsoever.

Now I need to tow a trailer and want to get the Toyota factory wiring harness/pin connector kit. Dealer wants $120 for the kit, plus another $50 to install it. Once again, he says it's "hard to do" and I shouldn't install it myself.

Other vendors advertise the same kit for about $80-90, so I'd rather buy it from them, save money and do it myself. I can do just about everything mechanical on my own, but I'm a bit apprehensive about electrical systems and connections on modern vehicles.

How hard is it to install/connect this Toyota factory wiring harness?
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#2 (permalink) Old 01-07-2009, 12:20 PM
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Re: Tow hitch and wiring harness installation

Easy. Plug in, zip tie, and put on a few bolts.
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#3 (permalink) Old 01-07-2009, 12:21 PM
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Re: Tow hitch and wiring harness installation

If you can plug stuff in, you can do to the harness install!

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#4 (permalink) Old 01-07-2009, 12:21 PM
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Re: Tow hitch and wiring harness installation

If the dealer says it is hard to do, then by all means do it yourself.

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#5 (permalink) Old 01-07-2009, 12:21 PM
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Re: Tow hitch and wiring harness installation

It is very easy to do. Plug and play. You can do it in half an hour or less regardless of mechanical skill.

You can find the instructions to install it here http://www.georgiafjcruiser.com/docu...re_harness.pdf


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Last edited by Constantine; 01-07-2009 at 12:31 PM. Reason: Added the link to instructions
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#6 (permalink) Old 01-07-2009, 12:30 PM
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Re: Tow hitch and wiring harness installation

Sergio
I know that they make a wiring kit for the FJ cruiser that is plug and play and all you gotta do un plug part of the harness and plug it back inand you got trailer connections. I have never done it on a FJ cruiser but have on other trucks
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#7 (permalink) Old 01-07-2009, 12:45 PM
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Re: Tow hitch and wiring harness installation

lol, "Oh yes its very hard, um, you shouldn't do it. Hey, you know what, I'll do it for ya! Its just gonna cost you."

Nah, you can tackle it no problem. Its a bolt on and plug in type of installation.



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#8 (permalink) Old 01-30-2009, 10:08 AM
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Re: Tow hitch and wiring harness installation

Thanks for all the help, guys.
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#9 (permalink) Old 05-26-2009, 07:32 AM
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Re: Tow hitch and wiring harness installation

I bought and installed the trailer wiring harness yesterday. The hardest part was definitely getting that little end cap off, but everything was just plug or bolt in. The fun part for me will be drilling holes in my aftermarket rear bumper to mount the 4 pin connector... I'm a horrible center puncher... but at least ONE of the holes will line up!

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#10 (permalink) Old 01-21-2011, 01:53 PM
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Re: Tow hitch and wiring harness installation

I just ordered the oem wiring harness and it shows that it comes with a converter to install either up under the dash or in the engine compartment. I'm having a hard time reading the installation instructions. Plugging in the actual harness on the back bumper looks simple, any help with the connverter, fuses, and relay up front would be great!
Thanks in Advance,
Dave
'08 Ti, A/T
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