I had a rattle that sounded like the dash . It ended up being the passenger door speaker was loose . I had another rattle that seemed to come from the dash . It was the garage door remote in the overhead console . Hope this helps .
I have the same D&%@ rattle... I have a rattle when I'm stopped. As soon as I start moving , the rattle stops. Unfortunately I haven't been abl eto locate the rattle yet.
Dash rattle has driven me crazy on my 2000 f150. I took the dash almost completely apart and the rattle was still there. It was one of these that you could hear the best, at an idle and just as you started moving. I found it after weeks of looking to be the cable to the gas pedel. Easy fix once you find it!!
I'm not sure what year your truck is but my 08 has the same problem. Found out that it's the Blend Door TSP 08-23-6 NOV 08
Going to get it fixed this winter when you can hear it much better!
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