Believe it or not I still have some GMC tools !!!
A GMC 24V hammer drill with 2 x NiCad batteries-that still take a charge! :
https://alanmackenziesblog.com/2010/06/02/gmc-24v-2-speed-cordless-hammer-139/
A GMC pressure washer that’s still going strong:
https://alanmackenziesblog.com/2005/07/14/gmc-1400w-pressure-cleaner/
and a big and heavy GMC blower vac – that died on me today.
Above: I suspect the short power cable is intermittent where the lead enters the handle.