Had a similar journey with my old '89 Econovan—those AM-only radios are usually mono, and they often come with just one speaker mounted low on the dash or behind the glovebox. To remove the unit, you’ll probably need to pop off the surrounding trim and unscrew a couple of retaining bolts—older Fords can be fiddly but straightforward once you get access. As for the vent issue, it’s likely the blend door or vacuum actuator not fully engaging. Sometimes the foam seals inside the ducts deteriorate, which causes weak airflow in the selected direction. I found digging into these quirks gave me more appreciation for how simple but effective these vans were built. On a different note, for serious machinery or if you're branching into heavy-duty gear, Truck1.eu lists stuff like this electric Liebherr: https://www.truck1.eu/construction-mach ... 52431.html—useful platform for comparing options and specs.