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w4400nex how to bypass e brake


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On 7/23/2018 at 7:28 PM, Dkvande said:

Hey guys, I just took my unit out, disconnected the GPS and connected the parking brake wire to a switch that is grounded . I start the car, flip the switch on then off and can now watch my videos without my screen blacking out!! 

I am having the same issue with my AVHW4400. Did disconnecting the GPS and using a micro bypass work? I assume you have to then put phone in airplane mode.

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On 8/22/2018 at 9:25 PM, Jstrong said:

ok. I tried grounding the mute wire which drastically reduced the volume. I also tried grounding the green wire, no change. I did find a hidden developer mode screen but I could figure out the password to get in. So still no video while moving. smh

How'd you access the hidden developer screen/menu??

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