Shop Our Categories www.portrayalpress.com Search site Shop Manuals Recommended Sets by Vehicle By Common Name By Manufacturer Original Manuals Reference Series Amphibious Armor Aviation Jeeps Motorcycles Trucks Other Vehicles Add-ons and Accessories Engines Artillery Small Arms & Machine Guns Field Manuals Markings Guides Radio & Install Civilian Shop Manuals Field Generator Electrical Engineering Shop Books Jeeps Military History Uniform Reference Motorcycles Amphibious Armor Hi-Speed Tractors Land Rover Trucks American Firepower Series Watch Portrayal.tv Parts & Merchandise Studebaker Parts Submit Search Vehicle Information Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 > Shop Manuals > Jeeps > WWII (GPW & MB) > US Army MWO to Convert G503 Electrical System from 6 to 12 Volt (MB/GPW) Price: $11.99 Product Code: MWO-ORD-G503-W7 Qty: Description This is the manual to convert the electrical system from 6 volts to 12 volts on certain specified Willys MB/FordGP vehicles. Enlarged, complete edition, 29 pages. Related Items ORD 789 G503 Illustrated Parts for Willys MB & Ford GPW (1944) ORD 9 G503 Illustrated Parts Manual MB/GPW (1949) ORD 8 G249 Section 4: Winterization Equipment for Willys MB/Ford GPW Supplement: Vehicle Modification Kits for MX-735 (Navy Deep Water Fording) Price: $44.99 Price: $45.00 Price: $4.99 Price: $5.99 GPW / MB Time Schedule Guide for Repairs TM 9-1803A Engine Rebuild Manual for G503 (MB/GPW) US Navy Installation Manual Radio and 12v 55a Generator (GPW / MB Radio Jeeps) TM 10-1206 Illustrated Parts Manual for Willys MB (G503) Price: $7.00 Price: $21.00 Price: $5.00 Price: $32.00