Re: DIY: All NAV Functions All The Time without Firmware Downgrade!
Here's the thread that shows you how to do it. No extra hardware box required. Just switches, wires, and plugs. Plus the SPG if you want to do that too. Video input can be DVD, iPod video. Audio input goes in the usual auxilliary jack.
Getting the stock NAV to accept DVD output
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2007 5.7 CrewMax Limited 2WD; Pyrite Mica/ Red Rock Leather
20" Alloy | Nav-JBL | Moonroof | Sonar | Cold Kit | Daytime Running Lights | BedRug | ConsoleVault | SoftTopper | TRD sway bar | Weatherguard Tool Box
NAV Mods: Speed Pulse Generator | AUX video input
Buy your truck outside of the Gulf States Toyota monopoly if you don't want to compromise.
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