Toyota 08600 Radio Wiring Diagram [upd] | HD |

Mia's Mako had the external amp. She had connected the new radio's blue/white remote wire to the car's blue/yellow (Pin B5). Nothing. No sound.

Are you or repairing the factory one?

If you’re unsure about your specific 08600 revision: Toyota 08600 Radio Wiring Diagram

However, most Toyota units from this era use a standardized system for primary power and speaker functions. Core Wiring Pinout (Standard 10-Pin & 6-Pin) Mia's Mako had the external amp

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Black (or White with Black tracer in some Toyota factory harnesses) Toyota 08600 Radio Wiring Diagram