These UTV cooling systems use a very small waterpump. Adding enough volume flowing thru hoses to and from another core to provide heat for cab might be too much for the pump. Or it might work great.. Only one way to know for sure ..
Thanks. Funny you should talk about those old VWs. I had a ‘69 Beetle with the same windshield problem when I lived in the Chicago area. I had a window ice scraper in the passenger seat to clear off the interior ice. I’d forgotten about that!
I’ll check out a defroster! Thanks!