I doubt you'll find any specifically Canadian manuals outside of someplace like e-bay ... Canadian GMC's were not "rebranded Chevy", the only real difference from US GMC's was they used the Chev engine, the vin/ID tag should say which it is .... the manuals found at any of the vendors on the links page will do, like here

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics