It melted the filament and plugged-up the entire feed pipe.  I removed it, soaked it in acetone for an hour then started picking out the chunks.  Needed to heat it with torch while running a drill bit into the pipe.  All clean and assembled now.

Then, the extruder would not heat.  I pushed the wires firmly into the connector and now printing with xyz filament (@ 215 deg).

Those connectors / contacts (or wiring) are not up to snuff.  I actually designed connectors and have patents on some - so, I can say from experience that it’s usually not the connector but the wrong connector for the product and/or bad wire/contact connection.