When using automatic headlights, no tail lights, dash lights, or foglights - Ford Powerstroke Diesel Forum
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Old 12-29-2013, 03:06 PM
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When using automatic headlights, no tail lights, dash lights, or foglights

I have a 2006 F250 crew cab 6.0 diesel. It started as an intermittent blowing of fuse 17 which took out my taillights and dash lights. Now, the fuse still blows pretty quickly when on either automatic or manual lights, and when I use automatic lights, the only thing that works is the headlights. the foglights, dash lights, and taillights wont work. But, if I put the manual lights on, everything works. Also, when fuse 17 blows, the door buzzer doesnt work telling me my headlights are still on. I have done no recent electrical work, to include radio installation, and have even swapped in a headlight switch from a friends truck and tried mine in his truck. I cut the trailer plugs off the harness to eliminate them, since they were somewhat corroded, and ensured none of the wires were touching. I uninstalled the radio and checked all the wiring for it. Right now the dash is completely torn apart. I even took out the guage panel and reinstalled it, testing the lights while it was both in and out. The next thing I can think of is removing the entire rear harness, but what doesnt make sense is even if a wire were grounding out to blow a fuse, why would the lights not work properly when using the auto headlights but work fine when using manual lights? Is it possibly the BSM going bad? I attempted to find it but it is not where I was told it would be for my year (behind the radio). Any help would be appreciated. Thank you
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