2004 Vista/Sunstar 221B Wiring Diagram Book


Antenna Installation, Radio and CB

Auto Lamps Wiring Diagram 

Body, 110 Volt Wiring Diagram

Body, 110 Volt Wiring Installation

Body, 12 Volt Wiring Diagram

Body, 12 Volt Wiring Installation

Chassis Wiring Installation

Dash Radio Installation

Exterior Lamps Wiring Installation

Holding Tank Monitor Panel

Holding Tanks Wiring Diagram

TV Coax Wiring Diagram


Complete Wiring Diagram Book (701674-73-004)



Danger of electrical shock, burns or death.  Always remove all power sources before attempting any repair, service or diagnostic work.  Power can be present from shore power, generator, inverter or battery.  All power sources must be disabled and secured before performing any service.




If you lack the skills, tools or equipment to perform diagnostic or repair work leave such work to an authorized Winnebago Industries dealer or other qualified shop.