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Unread 03-08-2008, 03:40 PM   #1
mkuzmukerau
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Trailer Wiring: Starscan?

Do you NEED to have the starscan hooked up if you add the hitch/wiring yourself? Can anyone else do it, ie Autozone? Advanced?

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Unread 03-09-2008, 10:42 AM   #2
ItalianJeeper77
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Im interested in this too, since I will do that this spring.

-MIKE
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Unread 03-09-2008, 11:39 AM   #3
PropDr
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If your Jeep came with the tow package it has relays for the trailer wiring and needs no further StarScan set-up.
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Unread 03-09-2008, 12:09 PM   #4
z_gilligan
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Yes you need to bring it to a dealer and they have to activate the package. Only takes 10 minutes or so.
I got charged 40 bucks for that HARD and labor intensive work
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Unread 03-09-2008, 12:43 PM   #5
PropDr
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Quote:
Originally Posted by z_gilligan View Post
Yes you need to bring it to a dealer and they have to activate the package. Only takes 10 minutes or so.
I got charged 40 bucks for that HARD and labor intensive work
Gilligan, you are confusing me
If you have the tow package there will be relays installed that remove the trailer wiring from the can bus system.
I installed my trailer brakes and everything is working perfectly without paying the dealer.
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Unread 03-09-2008, 02:50 PM   #6
ItalianJeeper77
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what if your GC did not come with a tow package or anything, i do not even have the cutout in the bumper.... i found out how to do that much! haha

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Unread 03-09-2008, 02:51 PM   #7
merlinTec
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Hi
There is an option on star scan to turn on trailer tow relays (see my list of star scan options)
http://www.jeepforum.com/forum/f67/list-starscan-items-could-activated-520079/ but never had to do it for our UK kits it’s just plug and play.
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Unread 03-09-2008, 03:24 PM   #8
z_gilligan
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Quote:
Originally Posted by mkuzmukerau View Post
Do you NEED to have the starscan hooked up if you add the hitch/wiring yourself? Can anyone else do it, ie Autozone? Advanced?
This is the question I responded to... If you ADD the hitch and harness onto your Jeep as an aftermarket item then yes you have to get it activated; if it was already on there when you bought it you do not.


ItalianJeeper77...
I went with these guys to get the hitch, bezel, and the harness... A Lot cheaper than straight from MOPAR
http://www.wyckoffchryslerparts.com/exac7.html
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Unread 03-09-2008, 04:01 PM   #9
PropDr
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I stand corrected.
My mind was on the post about the trailer brake controller installation.
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Unread 06-11-2009, 07:45 PM   #10
Laloggia
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What happens if you buy a standard 4 wire trailer harness and splice it into the taillights? Will it work without having to get it scanned from the stealership?

This would bypass any relays and would work off the lights and signals...the question is....do the lights and signals notice the voltage draw and start to act up...blink fast, etc.

Anyone?
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Unread 06-12-2009, 03:28 PM   #11
merlinTec
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yes it should act up but not tried it.
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Unread 06-12-2009, 09:30 PM   #12
robpp
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they have harnesses now that plug into your tail lights. well not into, you unplug the tail lights, you put this plug in between the light and the original plug. i found some on ebay like that.
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Unread 06-12-2009, 09:47 PM   #13
Laloggia
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I just purchased the harness off of JCWhitney for $55.00 that plugs into the taillights. Let you all know if it works without getting it re-programmed by dealership. Fingers crossed.
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Unread 06-25-2009, 02:22 PM   #14
Laloggia
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Update:

I received the Wire harness from JC Whitney (made by Curt) and plugged it into the taillights. I then installed my brake controller and wired it all up to a 7 pin connector for our small pop-up camper.

Plugged her in and had brake lights, turn signals, lights....the works...NO STARSCAN TOOL Required....im so happy. Everything works great!
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Unread 06-25-2009, 02:38 PM   #15
mwking
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I had one of the harnesses that plugged into the the tail lights when I had the 4 wire hookup. It worked fine most of the time, but it did make the Jeep think a turn signal bulb was out frequently. It was a pain because the signals would start blinking so fast that no one would be able to tell you were signaling a turn. It would only be the signals for one direction. I figured out if I turned the hazard flashers on, even just for one blink that it would reset and blink the turn signals at normal speed. I now have the 7 wire factory harness and I had to have the dealer activate the relays with Starscan to get the turn signals to work, but it has worked perfectly.
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