unknown part

[napaguy]

what i have i do not know. it was under the dash. it is silver and round with three spade connectors on top, 1 3/8 inches tall and 3/4 inches wide. when removed it was warm. I know it isn't a horn relay or 4 way light relay. all it says on it is made in usa. any idea what it is for

 

[Mr Cuda]

Its working!
Key light timer.

 

[Challenger RTA]

It's the monster rolled out of the closet and under your bed? A picture would confirm what it might be. Mr Cuda might be familiar with them.