2000 Toyota Sienna | Stereo Wiring Diagram 2000 Toyota Sienna Speaker Sizes. Audio Front Speakers Size: 6 1/2″ Speakers Audio Rear Speakers Size: 6 1/2″ Speakers. The following information is currently not available: Stereo Dimmer Wire Stereo Amp Trigger Wire *If you know any of the above or any other missing information please use the comment box below to notify us. 2000 Toyota Sienna Car Audio Wiring Diagram - ModifiedLife Whether your an expert Toyota Sienna mobile electronics installer, Toyota Sienna fanatic, or a novice Toyota Sienna enthusiast with a 1998 Toyota Sienna, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 1998 Toyota Sienna vehicles are becoming increasing more difficult to identify due to the installation of 2000 Toyota Sienna Car Stereo Wire Colors and Locations 2000 Toyota Sienna car stereo wire colors, functions, and locations 2000 Toyota Sienna Stereo Wiring. Home / the12volt's Install Bay / Vehicle Wiring / View all Toyota Vehicles / 2000 Toyota Sienna Vehicle Search: Manufacturer: Select Vehicle Manufacturer 2000 Toyota Sienna Stereo & Video Installation Parts Toyota Sienna 2000, Wiring Harness by Metra®, with OEM Radio and Speakers Plugs. For factory stereo. This high-quality Metra wiring harness is just what you need to replace your defective or aged factory wiring harness. This product is.. 1999-2000 Toyota Sienna Vehicle Wiring Chart and Diagram Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1999-2000 Toyota Sienna information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle.