I recently removed one of those plugs in the bed that im assuming are used for wiring (they face the cab). However upon removing it, I cant get ti back in. Suggestions? How should i reattach theese?

 

Try soapy water. I dont know how they come out or are held in. They look like rubber and rubber likes lube. Dont use a oil based lube like wd40. Some dawn and water might do the trick

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Go Hard or Go home........
*Red 2000 SVT Lightning
*Leer Lo-Rider Bed Cover
*PSP Filter
*PSP Chip
*Adopted 3/29/00
-98 Mustang GT Convertible 4.6L Supercharged with FRPP Eaton M112 @ 9psi, to many other handling/engine mods to list.....

 

They go in but they wont stay in. Im looknig for a way to get theese back firmly in place.

 

If there is an inner lip that goes around metal make sure that is seating correctly. Liquid soad or silicon will help.