Wet Headliner My Headliner in my 1990 Ford Ranger gets soaking wet when it rains. I can't find any rust holes in the top. There is no water running down the windshield on the inside when it rains so I don't think the windshield is leaking. Do you have any idea what it might be? Thanks

You likely have a water leak around the 3rd brake light mounted on the top rear of the cab. I had this same issue on my 96 Ranger Supercab and found that the foam seal had gone bad and was allowing water to leak into the back of the headliner around the light fixture. It ended up soaking the headliner from one side to the other as the headliner acts as a 'wick'. You can repair this issue by either replacing the sealant around the 3rd brake light or replacing the brake light. There are two screws which secure the 3rd brake light assembly to the back of the cab. Remove these and it will pop right out. I upgraded mine to an LED light when I replaced it. That solved two issues at once as I'll never need to change a bulb there again. If you want to be cheaper you can not replace the light and just seal it with rubber silicone sealer.

I would check for any holes where the windshield weatherstripping contacts the cab roof.