SlimShaney Posted December 30, 2018 Share Posted December 30, 2018 Hello! Okay everyone, ill start this simple. Older guy had a 2wd 91 MJ sitting for about a year with eleteical gremlins. Convinced him to sell it for 1200$ canadian. "AB, Canada" The issue.. Brake lights work. Left turn signal works (Front/Rear). Running lights don't work in rear. Cluster lights don't work, sometimes works when right turn signal is blinking. When you apply right turn signal "Front right head light & turn signal blink as the same time. Also both rear turn signals blink almost similar to the Hazard lights. Also just noticed, the clock illuminates with right turnsignal in an annoying flashing motion. Grrrhhhh ... Where do i start, I'm confused. Anyone dealt with this? Help? Link to comment Share on other sites More sharing options...
robbie95 Posted December 30, 2018 Share Posted December 30, 2018 i know its far fetched, but have you checked to see if all the bulbs are correct? Link to comment Share on other sites More sharing options...
SlimShaney Posted December 30, 2018 Author Share Posted December 30, 2018 Correct? Ummm. Ill go check now ! Link to comment Share on other sites More sharing options...
robbie95 Posted December 30, 2018 Share Posted December 30, 2018 yeah, my bulbs were the wrong ones and it was causing all kind of weird stuff to happen... i'd press the brakes and the lights would come on.. my manual actually had the wrong bulb sizes listed, there's a list of the proper sizes somewhere on the forum Link to comment Share on other sites More sharing options...
Fernando87mj Posted December 31, 2018 Share Posted December 31, 2018 Link to comment Share on other sites More sharing options...
MJCARENA Posted December 31, 2018 Share Posted December 31, 2018 Strange things happen when you put a single filament bulb in a dual filament socket. Don't ask me how I know. Link to comment Share on other sites More sharing options...
cruiser54 Posted December 31, 2018 Share Posted December 31, 2018 Check this connector: I suggest unplugging EVERY electrical connection in the engine bay you can find, whether engine related or not, and spraying it out with a good electronics cleaner, visually inspecting the terminals making sure they haven’t retracted into the plastic holder, and then plugging it back together. There’s a critical 10-pin connector for the front lighting system located in front of the air cleaner and behind the left headlight assembly. Don’t miss that one. Also be sure that the connectors to the ballast resistor mounted near the air cleaner housing are clean and tight. ALL of the relays should be removed, the terminals wire-brushed until shiny, and the receptacles sprayed out with contact cleaner. Then plug them back in. I do this on every Renix Jeep I purchase or work on for someone else. Revised 1-31-2016 Link to comment Share on other sites More sharing options...
SlimShaney Posted December 31, 2018 Author Share Posted December 31, 2018 Thanks for the responds my fellow jeeps, I'm picking up new bulbs today! Ill keep everyone posted, i feel like there most be a short somewhere. Weird $#!& is going on Link to comment Share on other sites More sharing options...
Pete M Posted December 31, 2018 Share Posted December 31, 2018 a corroded socket can cause weird things too. look inside each one to make sure it's clean. Link to comment Share on other sites More sharing options...
JMO413 Posted December 31, 2018 Share Posted December 31, 2018 I had similar issues when I first got my truck. Both front turn signal sockets were bad. The ground tab was rusted off of both. One of the PO's had also attached a wire to the side marker that was scotch locked in and shorted to ground. After replacing the front sockets and removing all the added wiring it was better. I redid the taillight ground and it all worked correctly. So IMO redo the ground and check the wiring for additions or shorts. Link to comment Share on other sites More sharing options...
JMO413 Posted December 31, 2018 Share Posted December 31, 2018 http://www.bteventures.com//mj1988electricalmanual.pdf This is a link to the 88 electrical manual. I have it saved to my phone and printed out. With these trucks it is a life saver. Link to comment Share on other sites More sharing options...
SlimShaney Posted January 1, 2019 Author Share Posted January 1, 2019 Hello everyone! i found the issue! it was a bad harness behind my passenger headlight! I'm so happy all my lights work, after using 12 butt connectors & cutting everything that was bad out. Everything works! :) I'm as happy as a Jeep Mj Link to comment Share on other sites More sharing options...
SlimShaney Posted January 1, 2019 Author Share Posted January 1, 2019 LOOK! Link to comment Share on other sites More sharing options...
JMO413 Posted January 1, 2019 Share Posted January 1, 2019 Good work! Link to comment Share on other sites More sharing options...
Minuit Posted January 1, 2019 Share Posted January 1, 2019 2 hours ago, SlimShaney said: Hello everyone! i found the issue! it was a bad harness behind my passenger headlight! I'm so happy all my lights work, after using 12 butt connectors & cutting everything that was bad out. Everything works! :) I'm as happy as a Jeep Mj Yeah, that would do it Link to comment Share on other sites More sharing options...
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