> 1990 F150. The radio workd fine, but the indicator shows no stations. >
> There is a book that came with the truck. It is called, now get this,
> "The Owner's Manual." Read that.
It should be obvious from the small flurry of postings that the OP just bought the truck and it didn't come with an owner's manual. Your wise-ass answer did not improve the signal to noise ratio here, nor the atmosphere.