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Old 12-13-2019, 10:56 PM
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Trailer Wiring harness

I'm wanting to put a trailer wiring harness on my YJ. Is there a plug and play kit, or just hard wire it in?

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Old 12-13-2019, 11:05 PM   #2
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I believe mine was plug and play but was given to me from my bro in law. I put in years ago so not 100% sure but if I was a betting man Iíd say yes.


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Old 12-13-2019, 11:12 PM   #3
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Need to work on ur google-fu...

https://www.etrailer.com/vm/Jeep/YJ/t1
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Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

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Old 12-13-2019, 11:17 PM
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Quote:
Originally Posted by Gottagofast View Post
Need to work on ur google-fu...

https://www.etrailer.com/vm/Jeep/YJ/t1
I saw that one, but when I put my year in, all it came up with was the universal kits. Also, that connector isn't the same as mine. Mine has flat 3 wire connectors. I also found 4 wire T connectors that won't fit.
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1988 Jeep Wrangler 4.2 6 cyl, Weber Carb, Borla header and exhaust. Aisin AX15. Advance Adapters External Slave conversion. Pro Comp 51 D window Flat Black. BFGoodrich KO2 31". Currently fighting: The little things...

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Old 12-13-2019, 11:22 PM
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91 is the first year with a custom fit harness on etrailer.

https://www.etrailer.com/Custom-Fit-...ID=19911173653
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1988 Jeep Wrangler 4.2 6 cyl, Weber Carb, Borla header and exhaust. Aisin AX15. Advance Adapters External Slave conversion. Pro Comp 51 D window Flat Black. BFGoodrich KO2 31". Currently fighting: The little things...

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2017 Honda Civic Si Coupe
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Old 12-13-2019, 11:58 PM
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I wonder if these fit my connectors. I could make my own harness...

https://www.amazon.com/MUYI-Waterpro...s%2C164&sr=8-3
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1988 Jeep Wrangler 4.2 6 cyl, Weber Carb, Borla header and exhaust. Aisin AX15. Advance Adapters External Slave conversion. Pro Comp 51 D window Flat Black. BFGoodrich KO2 31". Currently fighting: The little things...

2018 Jeep Grand Cherokee
2017 Honda Civic Si Coupe
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Old 12-14-2019, 12:07 AM   #7
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Hmmm my bad....
If you splice it, go upstream before it splits
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I come in peace.... I mean you no harm
Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 12-14-2019, 10:25 AM   #8
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I got into mine just after it dropped into the fender well from the roll bar brace. Pull the grommet, Pull it up, splice, seal, drop back in. all your wiring is there in one bundle, so watch out for the tank wires.
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'89 YJ 4.2 with MC-2150 Carb & HEI, 2-1/2" Magnaflow Ex. AX-15, NP231, Adams front shaft, SYE, 31x10.5x15 BFG KO's, 2 1/2" RE Springs, 1" BL. RS5000x, Hella H-4's, XRC 9500 Winch
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Old 12-14-2019, 10:34 AM   #9
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Used this kit, But don't mess with the little blue splice in connectors will inevitably mess with your brake lights function, PO went in above the grommet in the bed. I would have pulled the grommet, pulled the harness up a few inches, splice, solder, seal and drop back into the fender well if I was starting from scratch. All your wires are in the same bundle, so be mindful of the fuel lines and correctly identify the brake and signal wires before you make your splices, and find a secure ground for both the jeep and trailer sides of the harness.

Etrailer kit. https://www.etrailer.com/t1-1989_Jeep_YJ.htm

good luck.
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'89 YJ 4.2 with MC-2150 Carb & HEI, 2-1/2" Magnaflow Ex. AX-15, NP231, Adams front shaft, SYE, 31x10.5x15 BFG KO's, 2 1/2" RE Springs, 1" BL. RS5000x, Hella H-4's, XRC 9500 Winch
'88 Sahara, 4.2, Weber 38, HEI, BA-10, np231, Hardtop, 31x10.5x15 Cepek FC's.
'06 WK, '05 WK,

FSM Manuals https://www.dropbox.com/sh/0vfmk6jc5...v7lceZk7a?dl=0
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Old 12-14-2019, 11:47 AM   #10
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Mine is an '87. I couldn't find a plug & play harness so I simply hard wired one into my factory harness.
I did mine with the plastic liner out from underneath, but I like how Got it at last suggests. Pull the harness up and solder-shrink wrap the connections. That sure makes the job a lot easier.

Good Luck, L.M.
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Old 12-14-2019, 01:55 PM   #11
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My trailer harness comed through that grommet and is stores wadded up between my roll bar and tub... when I need to use it I run it over the tailgate.... been that way since 2007 w no issues...

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Currently in the stable: ... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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