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<blockquote data-quote="Lasherž" data-source="post: 8710857" data-attributes="member: 679555">It seems like they&#039;re usually included in the conversion harness, so it might get data from the ECU for those functions. If you can&#039;t find them on the adapter output plug then I would at least try giving 12v to the parking wire as well as the reverse wire separately to see what it does and if you care about that feature enough to route wires through the whole car potentially. As for the speed sense wire, that&#039;s just light green. VSS is the most important one of those because it apparently improves the accuracy of your navigation.As for the brake light you can either run it through a bypass or use the brake lights circuit. The specific wiring diagram for your car&#039;s lighting system would be needed to figure out the best place to tap in for that voltage unless you go to the fusebox. My go-to would be a fuse tap if indeed you aren&#039;t given those cables through the adapter output.</blockquote>

[QUOTE="Lasherž, post: 8710857, member: 679555"] It seems like they're usually included in the conversion harness, so it might get data from the ECU for those functions. If you can't find them on the adapter output plug then I would at least try giving 12v to the parking wire as well as the reverse wire separately to see what it does and if you care about that feature enough to route wires through the whole car potentially. As for the speed sense wire, that's just light green. VSS is the most important one of those because it apparently improves the accuracy of your navigation. As for the brake light you can either run it through a bypass or use the brake lights circuit. The specific wiring diagram for your car's lighting system would be needed to figure out the best place to tap in for that voltage unless you go to the fusebox. My go-to would be a fuse tap if indeed you aren't given those cables through the adapter output. [/QUOTE]

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