tomcater wrote:
When I purchased the car...
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| Author: | tomcater [ Wed Sep 10, 2008 6:46 pm ] |
| Post subject: | KJ Supplementary tow harness |
Hello. I have a 2003 Jeep Liberty. When I purchased the car, it had no overhead console and a 4 way towing plug. I purchased and installed EVIC and it works perfectly. Now I want to upgrade the 4 way tow plug to a 7 as I'm getting a boat and need brakes. Does it mean that I have to buy the 7 way harness and the supplementary harness even though I have installed the EVIC myself? I'm confused as to what this extra harness does. Is it for breaks? thanks for the help. Great forum |
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| Author: | itsajeepthing [ Wed Sep 10, 2008 8:46 pm ] |
| Post subject: | Re: KJ Supplementary tow harness |
tomcater wrote: When I purchased the car...
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| Author: | DryBones [ Wed Sep 10, 2008 9:00 pm ] |
| Post subject: | |
whats the overhead EVIC have to do with trailer wiring harness?  Time to rewire and install a 7 wire harness. You can always get the 4 straight adapter if needed.
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| Author: | sleeve84028 [ Thu Sep 11, 2008 6:48 am ] |
| Post subject: | |
There are two types of trailer brake systems: 1) Surge brakes - these rely on a sliding reciever (on the trailer) to activiate the brakes when the vehicle starts to slow down. They work OK but not the best 2) Hydraulic brakes - these require that you have a 7 pin harness and a brake controller. The blue wire of the harness powers the system and helps stop the trailer. These are the way to go IMO. Especially if you are pulling a trailer that is over 3000 pounds... Buy the factory Tow harness from a place like jparts.com (you don't need the EVIC) |
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| Author: | Jeepjeepster [ Thu Sep 11, 2008 1:12 pm ] |
| Post subject: | |
You can keep the flat 4pin connector and get a 4 to 7 pin adaptor. It has a harness on it to let you wire in the electric brakes, battery, etc. Check out etrailer.com, I bought two from there and use them. The evic comes into play with the Jeeps actual wiring harness. If you have the evic you should have a wire ran to the back for the electric brake. Not sure if it changes anything else. |
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| Author: | DryBones [ Thu Sep 11, 2008 3:57 pm ] |
| Post subject: | |
you trying to tell me that my EVIC is wired to my trailer wire harness and will monitor or display info when I am trailering?  Holy Shmoly! 
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| Author: | ATXKJ [ Thu Sep 11, 2008 4:13 pm ] |
| Post subject: | |
if the EVIC is there - then an extra part of the wiring harness is there There's a really good writeup in jeepkj country - but the server won't talk to me right now - I'll try to add the link later Linky http://www.jeepkj.com/forum/showthread.php?t=26895&highlight=trailer+hitches |
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| Author: | rangerd77 [ Fri Sep 12, 2008 8:25 am ] |
| Post subject: | |
so what the he77 is a EVIC? and how hard is it to wire up the 7 pin harness if you have no wiring at all? |
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| Author: | sleeve84028 [ Fri Sep 12, 2008 9:48 am ] |
| Post subject: | |
EVIC is the acronym form Electronic Vehicle Information Center. A.K.A the overhead console that displays temperature and fuel mileage. That write up was fantastic. |
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| Author: | jsc7002 [ Fri Sep 12, 2008 11:25 am ] |
| Post subject: | |
rangerd77 wrote: so what the he77 is a EVIC?
and how hard is it to wire up the 7 pin harness if you have no wiring at all? not bad I bought a 4 flat that was a plug and go, just remove the taillights and plug in the new harness and then I got a 7round at an auto parts store for $25 and it plugs into the 4flat and then there are 3 wires to wire up for a brake controller and back up lights and one onther thing but I cant remember what |
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| Author: | jsc7002 [ Fri Sep 12, 2008 11:31 am ] |
| Post subject: | |
rangerd77 wrote: so what the he77 is a EVIC?
and how hard is it to wire up the 7 pin harness if you have no wiring at all? not bad I bought a 4 flat that was a plug and go, just remove the taillights and plug in the new harness and then I got a 7round at an auto parts store for $25 and it plugs into the 4flat and then there are 3 wires to wire up for a brake controller and back up lights and one onther thing but I cant remember what |
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| Author: | JL Rockies [ Fri Sep 12, 2008 12:19 pm ] |
| Post subject: | Re: KJ Supplementary tow harness |
itsajeepthing wrote: tomcater wrote: When I purchased the car... You just killed a cat. 
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| Author: | Jeepjeepster [ Fri Sep 12, 2008 1:19 pm ] |
| Post subject: | Re: KJ Supplementary tow harness |
JL Rockies wrote: itsajeepthing wrote: tomcater wrote: When I purchased the car... You just killed a cat. I am not a fan.. 
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