What is this box?

^^Under the hood look for a horn relay sized box with a (used to be red) reset button. Find and splice the two yellow wires together. The box, when tripped, breaks the connection to the two yellows which is on the path to your start relay

There's an article about this at MyMopar in the service bulletins. "standby........"

MyMopar - Mopar Forums & Information - Chrysler Master Tech Service Conference Library

See page 15 of the pdf below:

http://www.mymopar.com/downloads/mtsc/314.pdf