I have a 2003 Superduty with the PSD. All stock. I thought a fuse blew when my turnsignals stopped working, but not so. My turn signals, trip computer, and heated seats have all stopped functioning at the same time. I have followed the fuse locator in the owners manual, but the fuses are fine. Is there a fuse not marked so that would power all 3 of these circuits? The brake lights still work, as do the hazard flashers. Everything else still works properly. Any ideas??
Thanks,
Tim

 

After going around in circles for awhile(these later models are complicated) I see a fuse that seems to be common with the components you mentioned. It is in the fuse box under the dash on the left hand side, and in the diagrams it's called F2.27 and is a 15 amp.

 

Thanks, Dave, that is the one. According to the owners manual, it is labeled as an ignition run fuse. Go figure!!
Thanks for the help.
Tim