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Old 01-23-2020, 07:55 PM
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Tail lights, brake lights, and instrument panel lights not working

Just bought a jeep and was dumb enough not to check if the rear lights worked. Previous owner said they did but they don't. With the headlight knob pulled out the the headlights work fine, but then I don't have rear running lights, brake lights, or instrument panel lights. If I put the knob between headlight running positions (not a natural spot for the switch to stop) the rear running lights come on, the brake lights work, and the instrument panel lights work. I thought it was obviously just the switch itself so I replaced it and have the same outcome. The plug that goes into the switch didn't look burnt or dirty. Before I waste anymore money on this, does anyone have any ideas on what is going on?

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Old 01-24-2020, 04:36 AM   #2
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Running/panel lights being out will be fuse #1 blown behind the glove box.
Brake lights are on fuse #2 but there may be other issues like a bad brake lamp switch.

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Old 01-24-2020, 04:42 AM   #3
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Can't see where I can edit that post so will add here...


Just thinking both those fuses will be fed from the same fuse in the under hood Power Distribution Center (PDC). The fuse that supplies them will vary with model year so I can't tell you which it would be without knowing your model year.


You could check all fuses anyway and if there are non failed, you may have a break in the wire between the PDC and fuse box, or possibly a bad connection in the fuse socket at the PDC which sometimes happens.
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Old 01-24-2020, 08:49 AM
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Awesome thanks! Found out that fuse was just flat out missing. Problem solved!
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Old 01-24-2020, 09:19 AM   #5
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Just bought a jeep and was dumb enough not to check if the rear lights worked. Previous owner said they did but they don't. With the headlight knob pulled out the the headlights work fine, but then I don't have rear running lights, brake lights, or instrument panel lights. If I put the knob between headlight running positions (not a natural spot for the switch to stop) the rear running lights come on, the brake lights work, and the instrument panel lights work. I thought it was obviously just the switch itself so I replaced it and have the same outcome. The plug that goes into the switch didn't look burnt or dirty. Before I waste anymore money on this, does anyone have any ideas on what is going on?
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Old 01-24-2020, 09:21 AM   #6
BE AWARE OF THE DRAGON..

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Can't see where I can edit that post so will add here...


Just thinking both those fuses will be fed from the same fuse in the under hood Power Distribution Center (PDC). The fuse that supplies them will vary with model year so I can't tell you which it would be without knowing your model year.


You could check all fuses anyway and if there are non failed, you may have a break in the wire between the PDC and fuse box, or possibly a bad connection in the fuse socket at the PDC which sometimes happens.
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