1st gen dome light fix

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1st gen dome light fix

Postby dryvr12 » Tue Jul 10, 2012 1:28 pm

The dome lights stop working on many 1st gen troopers, but you can fix it within a matter of minutes!

The lights fail for a few reasons. First is poor contact between the ball and the switch. The second is a poor ground with the mounting screws. If this is the case the light will work in door mode but not in on mode. Third is the door switch. Usually this is just a poor ground. If this is the case, your light will work in the on position, but not in the door position. Lastly, poor contact between the bulb and the tabs can cause a malfunction.


Here is the light in the back. Pop the plastic cover off.
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Unscrew the two mounting screws.
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Unplug the wires.
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And here is your dome light assembly.
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When you remove the screw that holds the plastic switch on, be sure to hold the nut on the back.
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The switch makes contact via a steel ball bearing. These often times corrode. Rather than try to clean it and risk dropping it, I used a copper plated BB. The BB is a little bigger, but it works great. It is recommended to use electrical grease, but I did not have any on hand.
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Make sure to clean these brass contact points. I have used 300 something grit sandpaper, a scotchbright, but by far the best was a wire brush attachment for a dremel.
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Also make sure the screw holes are free of corrosion, since they are the ground points, I believe.
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Clean the bracket that holds the bulb in.
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If your light does not work in door open mode, you need to look at the door switch.
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If you push the switch, you can unscrew it.
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The screw serves as the ground. If it is loose find a slightly larger sheet metal screw.
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Zack
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1988 Trooper LS 2.6L Auto to manual swap, Asin hubs, 228k+
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=50707
LED gauges, sony h/u, alpine speakers, jl audio w3's, grant steering wheel, cup holders, procomp 98s

Odometer correction: http://forum.planetisuzoo.com/viewtopic.php?f=1&t=67546
Dome light fix: http://forum.planetisuzoo.com/viewtopic.php?f=17&t=62898
LEDs:http://forum.planetisuzoo.com/viewtopic.php?f=1&t=51643

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Re: 1st gen dome light fix

Postby rndmcardle » Sun Sep 02, 2012 4:31 pm

Really, I am so bummed out that I didnt see this article for my amigo before I went bat ---- crazy with the dremel tool.

viewtopic.php?f=1&t=62117

My retro fit looks and performs successful but it is a total hack job.

I have a spare light for the amigo, I will rebuild and post results, I will have to drill out the rivets to service but I think I can pull it off!
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Re: 1st gen dome light fix

Postby dryvr12 » Sun Sep 02, 2012 5:04 pm

Sorry to hear that. I had this in the general section, but it got bumped to the HOF section which I dont think gets checked as often.
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Re: 1st gen dome light fix

Postby Breacher » Sat Dec 15, 2012 12:07 am

I was just replacing my dome light bulbs with high power LEDs when the tool I was using shorted something at the front dome light and I think popped a fuse (neither light works now and the rear had been working before the spark). I think I popped a fuse but can't find the secondary fuse box location that would have any fuse that indicates it is for the dome lights. I am told there is another fuse box somewhere under the dash but am not finding it in the dark. Can anyone tell me where it is?

The main fuse box has no fuse label indicating that any fuses in the main fuse box are for the dome lights.
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Re: 1st gen dome light fix

Postby dryvr12 » Fri Dec 19, 2014 9:29 pm

Breacher wrote:I was just replacing my dome light bulbs with high power LEDs when the tool I was using shorted something at the front dome light and I think popped a fuse (neither light works now and the rear had been working before the spark). I think I popped a fuse but can't find the secondary fuse box location that would have any fuse that indicates it is for the dome lights. I am told there is another fuse box somewhere under the dash but am not finding it in the dark. Can anyone tell me where it is?

The main fuse box has no fuse label indicating that any fuses in the main fuse box are for the dome lights.



I realize this reply is 2 years later and you most likely solved your fuse problem (I hope! :lol: ) Anyway try honking your horn. If it does not work the fuse is indeed blown as the horn and interior lights are on the same circuit. The fuse box is on the driver side fender. It should be a 10a fuse 2nd or 3rd closest to the front of the truck.
Zack
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1988 Trooper LS 2.6L Auto to manual swap, Asin hubs, 228k+
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=50707
LED gauges, sony h/u, alpine speakers, jl audio w3's, grant steering wheel, cup holders, procomp 98s

Odometer correction: http://forum.planetisuzoo.com/viewtopic.php?f=1&t=67546
Dome light fix: http://forum.planetisuzoo.com/viewtopic.php?f=17&t=62898
LEDs:http://forum.planetisuzoo.com/viewtopic.php?f=1&t=51643
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Re: 1st gen dome light fix

Postby Scuddog » Sun Feb 15, 2015 10:46 am

Nice work. Put in an LED bulb to make it super bright. I have never looked back. The whole interior is bright with just one light.
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While you are at it... change your dash bulbs to LED... great results!

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Re: 1st gen dome light fix

Postby dryvr12 » Sun Feb 15, 2015 1:44 pm

I ended up chaning to the 48 led panel light as well. Crazy bright, dont need a flashlight to see in the truck anymore! I did the led gauge swap in while also. I really like how it came out
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1988 Trooper LS 2.6L Auto to manual swap, Asin hubs, 228k+
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=50707
LED gauges, sony h/u, alpine speakers, jl audio w3's, grant steering wheel, cup holders, procomp 98s

Odometer correction: http://forum.planetisuzoo.com/viewtopic.php?f=1&t=67546
Dome light fix: http://forum.planetisuzoo.com/viewtopic.php?f=17&t=62898
LEDs:http://forum.planetisuzoo.com/viewtopic.php?f=1&t=51643
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Re: 1st gen dome light fix

Postby Scuddog » Sun Feb 15, 2015 3:23 pm

For whomever is interested in LEDs.... go with the "5050" LEDs... they are the brightest. You can do a dome light SMD (Surface Mount Diode) panel with 3x5 5050 Bright White and it's CHEAP! Look around, do your research and you will find all kinds of stuff out there. Dryvr12 found success with a 48 light panel SMD... I did a 15.... Both of us are digging the brilliance. Cool colors are also an option. You are limited by the $$$ you want to spend.
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Re: 1st gen dome light fix

Postby IsuzuGeek » Mon Feb 16, 2015 12:39 pm

Yeah, I have one of those little LED units in my dome light now, love it. Much better.

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Re: 1st gen dome light fix

Postby paulevans76 » Tue Feb 17, 2015 2:46 pm

Just my opinion, but I had a previous rig that the previous owner installed an LED dome lights in, and I wouldn't do it again if I got everything for free and someone put it in for me. It was too bright. I didn't enjoy being blinded every time I open my door in the dark. Also it SUCKED when I'd be trying to get my sleeping newborn out of the back at night after a trip home from somewhere, and I'd forget which way the switch needed to be set to keep the light off :blackeye: then as soon as the door opens, boom, awake :crybaby:

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Re: 1st gen dome light fix

Postby Scuddog » Tue Feb 17, 2015 7:27 pm

Got it. I have a young one at home but don't take him out after dark enough to worry about the dome light alarm clock. Though I "hear ya", I don't want to be upset because I can't see S#$@ every time my wimpy, weak and dull light kicks on. I'd rather be flooded with light than yearning for more. Nice '91 with the '86 grille...
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