Need help identifying electronic part on my 63'fj40

[brickstone]

Trying to finish up my restoration, on my fifth year fourth kid through high school and so on. Can not remember what exactly this did .
I do remember it was inside next to the fuse panel, any help would be greatly appreciated. Here is a picture.

Trying to finish up my restoration, on my fifth year fourth kid through high school and so on. Can not remember what exactly this did I do remember it was inside next to the fuse panel, any help would be greatly appreciated. Here is a picture.

 

[Splangy]

Flasher

 

[Living in the Past]

Flasher

X2

 

[brickstone]

Thanks for the help!

 

[Fast Eddy]

More like electric, than electronic...