No Dash lights
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Joined: Nov 2013
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From: Pennsylvania
No Dash lights
2001 Ford F250 Super Duty with 7.3 Diesel
My headlight switch shorted/ melted. I replaced it with a new one and I checked
all my fuses. I replaced the dash light fuse, but everything else is okay.
My problem is now I don't have dash lights and or high beams. My gauge cluster is working fine, just the back lighting is out. This also affects radio and other dash switches because they are not lit as well. All my exterior lights work including my low beams.
I have tested my headlight switch and my multifunction switch. They both passed there tests. I have tried hot wiring my dash lights to see if they would work and they do work.
Has anyone else had this problem? Does anyone have any suggestions?
My headlight switch shorted/ melted. I replaced it with a new one and I checked
all my fuses. I replaced the dash light fuse, but everything else is okay.
My problem is now I don't have dash lights and or high beams. My gauge cluster is working fine, just the back lighting is out. This also affects radio and other dash switches because they are not lit as well. All my exterior lights work including my low beams.
I have tested my headlight switch and my multifunction switch. They both passed there tests. I have tried hot wiring my dash lights to see if they would work and they do work.
Has anyone else had this problem? Does anyone have any suggestions?
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Joined: Jan 2001
Posts: 56,971
Likes: 2,731
From: Virginia
Get a testlight. Turn the headlight switch on and put the lever in highbeam mode. Take the testlight and probe fuse #16, 15amp in the underdash fuse box. This is a fuse for the highbeams only. If you do not have any power on either side of this fuse with the switch on and the lever in highbeam, I would suspect a problem in the steering column with the lever(multi-function switch) since your lowbeams work.
I have never messed with a newer truck like yours, but it shows a electronic dimming section that drives the dash lights. I do not know if it's part of the switch or separate, but it does show a brown jumper wire going from the switch part to the dimmer part. See if you have power on the brown jumper wire. Coming out of the electronic dimmer is a red/blue wire that feeds all the dash lights. See if you have power there also.
I have never messed with a newer truck like yours, but it shows a electronic dimming section that drives the dash lights. I do not know if it's part of the switch or separate, but it does show a brown jumper wire going from the switch part to the dimmer part. See if you have power on the brown jumper wire. Coming out of the electronic dimmer is a red/blue wire that feeds all the dash lights. See if you have power there also.
Logistics Pro
Joined: Jul 2003
Posts: 3,595
Likes: 52
From: Lawton, Oklahoma
A lot of times I find people will replace a melted switch but not the pigtail wiring connector and there is such high resistance there that a new switch wont work completely or at all. It will also cause a new switch to burn up.
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