The way would be https://www.openstreetmap.org/way/1377679079

People have hiked all over these hills and there are at least some published descriptions of hikes from PMC to the top of Mt Pinos, Sawmill & Grouse. But those are, at best, routes rather than trails.

I harbor a strong suspicion that your route up from the trail into Wind Wolves to the old 4x4 track on the top of the ridge falls into that same category.