How do you bypass the parking break in order to watch DVD while car is in motion
Wrong. To bypass the lockout feature so you can see the DVD play anytime - you need to toggle the green wire away from ground (from Low to High - i.e. momentary switch) so the radio sees the rising edge of the 12Vdc signal. The green wire is normally high and is tied low. When you put the parking break on - it opens the loop. A switch will trigger the Opto Isolator inside the head and bypass the lock out feature. This works fine - or you can spend the $25 on the bypass module - that does the same thing - but works as an electronic toggle ~ based off the remote wire and an internal relay in the module. The module will toggle the green wire every time the radio powers up.
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