What is this from??
 

Got this GMC thermostat at a swap meet a couple years ago. I assume it's exterior mounted... Anyone know exactly what it is, years it came on, etc? Dealer add-on perhaps? Where would have it been mounted?

Re: What is this from??
 

Probably a Tri-Five option. You'll have to ask a Chevy car forum.

Re: What is this from??
 

With a GMC logo? ...

Re: What is this from??
 

and The GMC logo was way different in the shoe box era.

Re: What is this from??
 

Looks like 73-87 GMC lettering to me...

Re: What is this from??
 

Here's another one, says its off a truck but I've never seen one before http://www.ebay.com/itm/NOS-1969-197...-/310709664807

Re: What is this from??
 

I have seen a 70s caddy with one just like that with out the gmc name,It was mounted under the drivers door mirror on the caddy.I'm guessing its a gm piece maybe dealer add on.

Re: What is this from??
 

That's exactly it chevyman, cool to see they are going for so much. I don't know if I should sell it or keep it now...

Re: What is this from??
 

That would be a neat trinket piece, I would put one on one of my trucks!

But it is not $500 neat...

Re: What is this from??
 

I doubt it'll sell for awhile, at least at that price. I guess we would need to see more of them for sale to understand what they are "worth"