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Unread 10-28-2011, 08:24 PM   #1
boostedagain
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2000 WJ 
 
Join Date: Oct 2011
Location: PALM BAY, FLORIDA
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all gauges stopped working?

new guy here, yesterday i installed led flush mount taillights in my 94 yj, everything works fine except the flashers, need the new relay, anyways, i noticed today on my way to work NONE of my gauges work tach/speed/oil/fuel/amps ect.. and also none of my warning lights come on when you cycle the key also, not even my upshift light, jeep still runs fine and everything else works as it should, checked all my fuses and everything was good, any insight would be great! its driving me nuts! i tried searching, most said check fuse #9 which is good in my case! thanks in advance!

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Unread 10-29-2011, 12:25 AM   #2
dodger889
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1989 YJ Wrangler 
 
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did you check the fuses under the dash plus the ones under the hood?
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A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
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im just cheap, and cheap makes you creative.
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Unread 10-29-2011, 05:12 AM   #3
mudsweatNgearz
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1987 YJ Wrangler 
 
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Very likely it is just a dirty connection on the printed circuit board. There is a very good write up on this forum on how remedy this condition....it worked for me
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Unread 10-29-2011, 06:44 AM   #4
langstonjones
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1994 YJ Wrangler 
 
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If everything was working before you started installing the tail lights I would just about bet my next check that your problem is in splice Z1. Looks like its located by driver side light. Take a look in there, specifically at the black wires. Just go back to anywhere you were working and look for loose or disconnected ground.
yjguages.jpeg   splicelocation.jpeg  
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1983 CJ5, 151ci originally
1978 CJ5, 304ci
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Unread 10-29-2011, 09:29 AM   #5
oldtime_ironman
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Langstonjones, where did you get those diagrams? Thanks! You might have just saved my bacon on the gas gauge!
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Unread 10-29-2011, 10:44 AM   #6
langstonjones
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Quote:
Originally Posted by oldtime_ironman View Post
Langstonjones, where did you get those diagrams? Thanks! You might have just saved my bacon on the gas gauge!
I pulled them from factory manual. If you need any more just let me know
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Unread 10-29-2011, 03:19 PM   #7
boostedagain
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ok pulled the cluster out, and both contacts were corroded, cleaned them with an eraser, then put a little dielectric grease on them both, cycle the key and everything works, NOW put it all back together back it out of the garage and boom all dead again check the 15 ign/LPS fuse and sure enough its blown, any idea why it would keep popping?
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Unread 10-29-2011, 03:44 PM   #8
boostedagain
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edit just found the write up on cleaning the contacts and i did the speedo, not the other gauges guess ill pull that and see what happens...
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Unread 10-29-2011, 04:36 PM   #9
dodger889
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Also when you put them back in be careful not to pinch the film circuit during install.
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A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
Quote:
Originally Posted by bigsquat View Post
im just cheap, and cheap makes you creative.
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Unread 10-30-2011, 03:06 PM   #10
boostedagain
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well still cant figure out what the problem is, i cleaned both sets of gauges, and its still blowing, it has to be shorting out but have no idea where to start...
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Unread 10-30-2011, 04:39 PM   #11
langstonjones
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Going be tough to track down a short on the forum. Need to grab up some diagrams and just start going through them.
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1983 CJ5, 151ci originally
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Unread 10-31-2011, 09:14 AM   #12
boostedagain
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ok so ive tried running it with out both gauge clusters to eliminate that as the cause and i did, fuse it still blowing with them out, now i think ive got it narrowed down to when i put the jeep in reverse, im out of fuses now got to run and get some more, going to set it up where i dont have to use reverse and drive and see what happends then
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Unread 10-31-2011, 10:01 AM   #13
boostedagain
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ok ive isolated the problem down to reverse, i can drive all day as long as i dont have to use reverse! now back outside to track it down!
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Unread 10-31-2011, 12:21 PM   #14
boostedagain
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got it figured out, unplugged the reverse light switch and now the problem is solved! just going to run some lights off a switch for reverse!
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Unread 10-31-2011, 06:30 PM   #15
langstonjones
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Quote:
Originally Posted by boostedagain View Post
got it figured out, unplugged the reverse light switch and now the problem is solved! just going to run some lights off a switch for reverse!
Good Job Sounds like you've got a hot hooked to a ground when you installed tail lights. You gotten this far man, you can fix it. It will most likely take you longer to figure out the switch circuit than it will the problem. Just saying this because I'm still sorting out "fixes" from a previous owner on a CJ5.
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