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I have lost my dashboard lights on my 99 F250. Any thoughts as to where I should look and what I should be looking for? Has this been common in these trucks. I have had my F250 for just over a month now.
 

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Do your tail lights work? It will be the same fuse (designed that way to alert you to tail lights out). Other causes could be the bright/dim control for the dash lights.
 

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My tail lights work like they should and my dim switch is turned up as high as it can go. I do not have any dashboard lights at night. All my dummy lights work just fine also. It just seems to be the backlight that illuminates things at night.
 

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this may sound dumb but did you check the dimmer switch?
 

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Well upon further inspection my tail lights did not work. I had brake lights and signal lights but no tail lights. My fuse #8 I think was the culprit, I changed it and all seems good now. Thanks for all your advice!
 

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OK now I have a new issue. The 15A fuse blows very quickly. I just went through 3 of them and the longest lasted about ten minutes. The first blew when I let off the e-brake, then the next one lasted ten minutes and blew while I was out driving on the road. The next blew when I replaced it and closed the hood. What am I missing here? I recently had my brake controller switch from my old truck to this one could this be causing my problem somewhere? Any thoughts?
 

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I have had this problem also, I replace the fuse, and sometimes it will blow in 10 minutes, other times it will be ok for a few weeks. I ahte electrical work and tracing wires, but i guess I have a short somewhere. I have heard of other Superduties with this problem, but I have never found a fix. it must be a semi-common problem....
 

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All my lights work on my truck as well as dummy lights. My brights light illuminates but my dash does at all. I cant see any gauges at night. I checked all fuses and headlight/dimmer switch. Please help
 

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Here's the pinpoint tests for instrument illumination. If you don't have instrument panel lights and every thing else works, it points to pinpoint test C in the attached.
Hope that helps.
 

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All my lights work on my truck as well as dummy lights. My brights light illuminates but my dash does at all. I cant see any gauges at night. I checked all fuses and headlight/dimmer switch. Please help
I found fuse #20 under dash has no power at all. Do I need a new fuse box or is this fixable. I’m not sure if it will solve the issue or not.
 

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Fuse 20 is only hot when the ignition switch is in Start position. So unless you checked it with the key in Start, that would be normal.
 
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