Generac Portable Products 4000 EXL Owner's Manual View and Download Generac Portable Products 4000 EXL owner's manual online. Extended life 4,000 Watt AC Generator. 4000 EXL Portable Generator pdf manual download. Also for: 1645-0. Need a wireing dig for a generac 4000 watt generator. This Oct 25, 2011Need a wireing dig for a generac 4000 watt generator. This generator has 6 wires from generator #10 #11 #44 #22 #33 and - Answered by a verified Technician Hello, Im experiencing issues with my 5500 EXL Generac Generator, 12v side melted some wire to the Rectifier I have two the other seems to be ok.