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Old 01-04-2014, 01:50 AM   #1
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Unhappy LED Dash lights upgrade troubleshooting

Hi, I have a 1994 jeep yj sahara.

I decided to change my interior dash lights to green LEDs

I have all the LEDs and I tried installing them today, But i ran into a problem. after putting them in, whenever I turn my signals on, all the dash lights flash as well. The other issue is that the signal indicators stay on.

I removed all the LEDs from the dash and replaced with original and the issue was fixed.

I put one LED in and the problem started again.

.........Has anybody else encountered this problem? or any suggestions?
everything is apart right now....so no vehicle...and don't want to put back together yet.

Thanks

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Old 01-04-2014, 07:53 AM   #2
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Hopefully someone else will chime in but I have a 94 Sahara with LED bulbs and no issues. Have you tried cleaning all the plugs and and dusting off the circuits. Sounds like you have the signal power jumping to gauge illumination power.

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Old 01-04-2014, 08:44 AM   #3
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That's strange. I put led dash lights in my 90' with no issues. The only issue I had was that some of them were reverse biased and wouldn't work, so I just had to turn them 180 degrees

One thing you could do is find the dash light fuse (pretty sure it's park/tail?) located by your brake/clutch pedals. Check the fuses to begin with. It almost sounds like the two circuits are shorting together. Check to make sure you have the right bulbs. They should have the 194 base if I remember right
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Old 01-04-2014, 01:19 PM   #4
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Personally sounds like a resistance issue, but I know nothing of the jeep cluster system.
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Old 01-04-2014, 01:45 PM   #5
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That is a good point. Is the dimmer all the way on? I had to pull my dimmer apart a year or so ago with the regular bulbs because there were sections of the wheel that would not work. You can pull the dimmer apart and clean the corroded copper off and then reassemble. Also the LEDs need the dimmer on at full you can't dim LEDs with just voltage they need to be PWM.
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Old 01-04-2014, 05:46 PM   #6
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I had the same issue when swapping all out the led, had to put the blinkers, engine light, and shift lights back to normal. The rest are still LED's. I second that it's a resistance issue.

I did my upgrade last year to red leds to preserve night vision for night driving. I replaced all lights, but didn't like the blinker, engine light, and shift light being different colors. They were actually too bright so I put the standard bulbs back in.

I've had no issues with them at all other than the dimmer doesn't work, however it doesn't matter since they're red.

Also whenever you work on your Jeep, especially electrical, always disconnect the battery or else you could accidentally short it out.
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Old 01-06-2014, 11:35 PM   #7
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Quote:
Originally Posted by twister4399 View Post
That is a good point. Is the dimmer all the way on? I had to pull my dimmer apart a year or so ago with the regular bulbs because there were sections of the wheel that would not work. You can pull the dimmer apart and clean the corroded copper off and then reassemble. Also the LEDs need the dimmer on at full you can't dim LEDs with just voltage they need to be PWM.
I will check that as soon as I go to the garage.
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Old 01-06-2014, 11:36 PM   #8
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Quote:
Originally Posted by ThePhantomPatriot View Post
I had the same issue when swapping all out the led, had to put the blinkers, engine light, and shift lights back to normal. The rest are still LED's. I second that it's a resistance issue.

I did my upgrade last year to red leds to preserve night vision for night driving. I replaced all lights, but didn't like the blinker, engine light, and shift light being different colors. They were actually too bright so I put the standard bulbs back in.

I've had no issues with them at all other than the dimmer doesn't work, however it doesn't matter since they're red.

Also whenever you work on your Jeep, especially electrical, always disconnect the battery or else you could accidentally short it out.
I am pretty sure that I put all those back to normal and tried again, but not 100% sure. I will check it at the same time as the dimmer
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Old 01-17-2014, 01:14 AM   #9
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So i checked them all and they are original for the indicators and LED for the gauges.

The dimmer is good aswell.

Any other suggestions

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