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Unread 10-17-2012, 02:58 PM   #1
4-wheelin
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94 YJ No dash lights. Please help!

This is kinda confusing.

Guages work but no lights to them. (speed, tach, fuel, oil, water) none of them. However, the lights (park brake, high beams, seatbelt, & blinkers) just over the steering wheel do work. Headlights, Taillights all work. Have checked all the fuses and are good.

What would be my next step?

Thanks for any advice...

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Unread 10-17-2012, 03:00 PM   #2
bill8bud
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1995 YJ Wrangler 
 
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First thing is do your tail lights work? Did you check the fuse?
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Unread 10-17-2012, 03:01 PM   #3
4-wheelin
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Yes tail lights work. Have checked all the fuses and they are good.
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Unread 10-17-2012, 03:43 PM   #4
JWELK
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It is fuse 10, 5Amps. Three possibilities, all 6 lamps are bad, both the pins on the speedo and instrument gauges are bad. Or door number 3, the dimmer switch is bad. Me, I'd go for the dimmer switch. It's 20 years old and available at most auto stores for 20 bucks or so. They can be disassembled, cleaned and put back in service. Before you start, get a can of compressed air and good quality contact cleaner. Remove the screws and the switch and then the plug. Carefully open the switch and clean the wiper and disk. I cleaned mine, but the disk is badly pitted, it only works in a couple of spots.

Regards,

Jim W
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Unread 04-16-2013, 10:27 PM   #5
4-wheelin
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Put new dimmer switch on and still no luck
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Unread 04-17-2013, 11:05 AM   #6
huntinguy
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I feel your pain. I am chasing the same gremlin in my boys 95.

Have you put a meter on the switch to make sure it works? Mine did.

how did your problem start. On this end we had replaced the switch with a new one and it worked for about a month, then we had to wiggle the dimmer to make them come one, now it is nada.

Also, do your headlights delay coming on? His do.
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Unread 04-17-2013, 12:21 PM   #7
4-wheelin
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This has been going on ever since I bought it 4 years ago. When I first had it the lights worked then one night they all just went black. I thought it was the dimmer wheel but put a test light on it and its good. All exterior lights work fine when I hit the light switch so its good. All fuses have been checked ok. So started this thread and people told me to check dimmer switch. Bought new one an replaced, still nothing. Took the test light and started checking wires that went to the plug which connects to the cluster and am not getting any response. Starting to wonder if its in the wiring harness itself.
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Unread 04-17-2013, 12:42 PM   #8
4-wheelin
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On a plus note the lights on the radio work fine
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Unread 04-17-2013, 06:24 PM   #9
Que89YJ
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Have you checked the bulbs?
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Unread 04-17-2013, 07:01 PM   #10
4-wheelin
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Yes all bulbs have been replaced
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Unread 04-17-2013, 09:03 PM   #11
huntinguy
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You may not be getting enough power through the switch

That plug is stupid, I had issues getting it to show power when I tested mine but it was there
Check the traces on the cluster, min had some broken that I had to fix
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Unread 04-18-2013, 05:41 AM   #12
Que89YJ
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do you have a meter to check some voltages?
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Unread 04-19-2013, 08:26 AM   #13
4-wheelin
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Will be picking one up tonight. Where all will I need to check. Also, what readings will I need to be looking for (good or bad)?
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Unread 04-19-2013, 08:39 AM   #14
Que89YJ
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Check for power on pin 21 of the cluster with the lights on.
electricalschematicofcluster.jpg  
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Unread 04-20-2013, 09:39 PM   #15
4-wheelin
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The plug on this jeep looks like the one shown above however there are only 15 wires going into mine. According to the diagram I'm missing wires for ports 1,2,3,7,17,& 21.

Here is what the plug looks like
image-1719235483.jpg   image-4133093063.jpg  
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