[Blue Beard]

Sorry, forgot to mention........

They do go back farther than 1980, just need a part number which is on the broken gate.

Give them a call, I bought mine from one of those. Can't remember which one.

I still have the old one from my truck, if I can find it.

Just ask for the diverter box for the year you need along with if its for an AC or non AC truck.

They should be able to help you.

I think the cost was around $50 for a new one last year....