Shop Our Categories www.portrayalpress.com Search site Technical Manuals TM Bundles 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 Field Vehicle Books Amphibious Armor Hi-Speed Tractors Jeeps Land Rover Trucks Dodge Motorcycles Military History Uniform Reference Merchandise Submit Search Vehicle Information The DUKW The Weasel Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 > Technical 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 GPW / MB Organizational Spare Parts & Equipment Manual Carter Carburetor Service Manual 539S (GPW / MB) ORD 9 G503 Illustrated Parts Manual MB/GPW (1949) - Mechanic's Special (2nd Copy for $6)) ORD 789 G503 Illustrated Parts for Willys MB & Ford GPW (1944) Price: $18.99 Price: $13.99 Price: $51.00 Price: $44.99 Changes to TM 9-803 for G503/MB/GPW TM 10-1206, Change 6, Feb 1., 1942 Illustrated Parts Manual for Willys MB Deep Water Fording Equipment for Willys MB ORD 9 G503 Illustrated Parts Manual MB/GPW (1949) Price: $5.00 Price: $32.00 Price: $5.99 Price: $45.00