akamcbird Posted February 10, 2014 Share Posted February 10, 2014 I recently swapped the booster and master from a 2000 wj into my '90 mj, now my lights don't work. It's possible I lost one of the nylon bushings but am unsure of what should be there. I did have intermittent issues with the switch mounting prior to the swap, remedied by messing with it... I've searched and not found anything usefull, a pic of the bushings would be my first step. Next easiest fix would be to swap a newer style pedal assembly so a side by side, or direction to a writeup would be appreciated. Any thaughts are welcomed. Thanks in advanced. Link to comment Share on other sites More sharing options...
onlyinajeep726 Posted February 10, 2014 Share Posted February 10, 2014 My lights didn't work after I did this mod on both my XJ and my MJ. The way I fixed it was to remove the little, thin nylon insert (the piece that slides in to the 5/8" hole you drilled in the booster rod. Once I did that, the switch worked as it should on both my Jeeps. Perhaps that'll help. Link to comment Share on other sites More sharing options...
akamcbird Posted February 10, 2014 Author Share Posted February 10, 2014 Yah I thought there was saposed to be one more piece... That one is gone and the bolt is tight inside the rod end... Time to stand on my head more... I think I've got two vynal washers on either side of the switch.. Link to comment Share on other sites More sharing options...
HOrnbrod Posted February 10, 2014 Share Posted February 10, 2014 Grab a 1991 and up XJ/MJ brake switch and bracket from the yard and it will work with your Renix pedal junk. Just rewire it up using a NO (normally open) pair of contacts for the brake lights. There are two sets on NO contacts on the switch. Use an ohmmeter to find the NO contacts. Link to comment Share on other sites More sharing options...
1989 Eliminator Posted February 11, 2014 Share Posted February 11, 2014 Here is my write up on my dual diaphram brake booster conversion and I have clear pictures of what the swtich looks like and where it is. I drilled my hole too big so i put two thin peices of duck take on the brake light switch plate. Read my write-up and it makes it a little bit more clear. http://comancheclub.com/topic/39437-1996-xj-dual-diaphragm-brake-booster-conversion/ Link to comment Share on other sites More sharing options...
LarryH88bt Posted October 6, 2015 Share Posted October 6, 2015 Reviving this old thread instead of doing a new one. I also ground down my pedal too much. I tried to slap on a couple tack welds but it didn't work. I sort of have it fixed but the switch needs to be angled correctly for them to work. Too high up and the lights are always on, too far down and they are always on. It's just kind of disconcerting to have it like that because there's no way to lock it in place. Like the duct tape fix, I used a couple pieces of bailing wire hooked around the switch plate. I'll have to try the nylon insert removal. But isn't the bolt too loose? Anyone try a universal brake light switch? Can't picture it in my head how to install one. Link to comment Share on other sites More sharing options...
ScottJeep Posted October 11, 2015 Share Posted October 11, 2015 Had a similar issue. Used AC duct sealing tape. The stuff that is metal with super sticky glue. Was able to make a couple of fan folds and then tape it on. Good Luck. Link to comment Share on other sites More sharing options...
cruiser54 Posted October 13, 2015 Share Posted October 13, 2015 Link to comment Share on other sites More sharing options...
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