Anyone know how I can power on another video screen when my rear video screens (U42) power on with a DVD inserted. I see a circuit called
Entertainment Remote Enable Signal. I'm wondering if I can put a relay on this circuit as a trigger to power on my additional display. Does anyone know what the volts and amps on that circuit are? Thanks

 

I believe that wire is pink found at the video screen itself and at the radio. Should be a 12volt trigger but you must use a relay to power an additional screen

 

Thanks Shawn... All the docs point to a white wire at connector X1 Pin 6 but I have an old cut off connector and the wire is pink on that. Maybe they changed it or the docs are wrong?

 

everyone that i've dealt with, has had a pink wire at the radio which turned on the infared transmitters. It may be a white wire for the screen itself, but i have always used the pink wire for the transmitters.
just make sure you test it before you tap into it

 

Thanks Shawn, I am referring to PIN 6. Is this the same wire you are referring too? See below


<TABLE width="95%" border=1><A href="http://gsi.xw.gm.com/si/showDoc.do?docSyskey=2277910&from=sm#oth2-2277910">Radio X1

<TBODY><TR><TH align=middle>Pin
</TH><TH align=middle>Wire
</TH><TH align=middle>Circuit
</TH><TH align=middle>Function
</TH></TR><TR><TD vAlign=center align=middle>1
</TD><TD vAlign=center align=middle>1 RD/WH
</TD><TD vAlign=center align=middle>340
</TD><TD vAlign=center>Battery Positive Voltage
</TD></TR><TR><TD vAlign=center align=middle rowSpan=2>2
</TD><TD vAlign=center align=middle>0.5 TN
</TD><TD vAlign=center align=middle>201
</TD><TD vAlign=center>Left Front Speaker Output (+) (UQ3)
</TD></TR><TR><TD vAlign=center align=middle>0.35 TN
</TD><TD vAlign=center align=middle>511
</TD><TD vAlign=center>Left Front Low Level Audio Signal (+) (UQA or UQS)
</TD></TR><TR><TD vAlign=center align=middle rowSpan=2>3
</TD><TD vAlign=center align=middle>0.5 L-GN
</TD><TD vAlign=center align=middle>200
</TD><TD vAlign=center>Right Front Speaker Output (+) (UQ3)
</TD></TR><TR><TD vAlign=center align=middle>0.35 L-GN/WH
</TD><TD vAlign=center align=middle>512
</TD><TD vAlign=center>Right Front Low Level Audio Signal (+) (UQA or UQS)
</TD></TR><TR><TD vAlign=center align=middle rowSpan=2>4
</TD><TD vAlign=center align=middle>0.35 PK
</TD><TD vAlign=center align=middle>5149
</TD><TD vAlign=center>Voice Recognition Audio Signal (UE1 with U3R, U3U or UVB)
</TD></TR><TR><TD vAlign=center align=middle>0.35 GY
</TD><TD vAlign=center align=middle>655
</TD><TD vAlign=center>Voice Recognition Audio Signal (UVC without UE1)
</TD></TR><TR><TD vAlign=center align=middle rowSpan=2>5
</TD><TD vAlign=center align=middle>0.35 PK/BK
</TD><TD vAlign=center align=middle>5152
</TD><TD vAlign=center>Low Reference (UE1)
</TD></TR><TR><TD vAlign=center align=middle>0.5 PK/BK
</TD><TD vAlign=center align=middle>514
</TD><TD vAlign=center>Low Reference (UVC without UE1)
</TD></TR><TR><TD vAlign=center align=middle>6
</TD><TD vAlign=center align=middle>0.35 WH
</TD><TD vAlign=center align=middle>7066
</TD><TD vAlign=center>Entertainment Remote Enable Signal
</TD></TR><TR><TD vAlign=center align=middle>7
</TD><TD vAlign=center align=middle>0.35 YE
</TD><TD vAlign=center align=middle>6817
</TD><TD vAlign=center>LED Backlight Dimming Control
</TD></TR><TR><TD vAlign=center align=middle>8
</TD><TD vAlign=center align=middle>1 BK
</TD><TD vAlign=center align=middle>2550
</TD><TD vAlign=center>Ground
</TD></TR><TR><TD vAlign=center align=middle rowSpan=3>9
</TD><TD vAlign=center align=middle>0.5 GY
</TD><TD vAlign=center align=middle>118
</TD><TD vAlign=center>Left Front Speaker Output (-) (HP2 with UQ3)
</TD></TR><TR><TD vAlign=center align=middle>0.35 GY
</TD><TD vAlign=center align=middle>118
</TD><TD vAlign=center>Left Front Speaker Output (-) (with UQ3, except HP2)
</TD></TR><TR><TD vAlign=center align=middle>0.35 D-GN
</TD><TD vAlign=center align=middle>1947
</TD><TD vAlign=center>Left Front Low Level Audio Signal (-) (UQA or UQS)
</TD></TR><TR><TD vAlign=center align=middle rowSpan=3>10
</TD><TD vAlign=center align=middle>0.5 D-GN
</TD><TD vAlign=center align=middle>117
</TD><TD vAlign=center>Right Front Speaker Output (-) (HP2 with UQ3)
</TD></TR><TR><TD vAlign=center align=middle>0.35 D-GN
</TD><TD vAlign=center align=middle>117
</TD><TD vAlign=center>Right Front Speaker Output (-) (with UQ3, except HP2)
</TD></TR><TR><TD vAlign=center align=middle>0.35 OG/BK
</TD><TD vAlign=center align=middle>1546
</TD><TD vAlign=center>Front Low Level Audio Signal (-) (UQA or UQS)
</TD></TR><TR><TD vAlign=center align=middle>11
</TD><TD vAlign=center align=middle>0.5 BARE
</TD><TD vAlign=center align=middle>2011
</TD><TD vAlign=center>Drain Wire (UQA or UQS)
</TD></TR><TR><TD vAlign=center align=middle>12
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=center>Not Used
</TD></TR><TR><TD vAlign=center align=middle>13
</TD><TD vAlign=center align=middle>0.35 D-GN
</TD><TD vAlign=center align=middle>5060
</TD><TD vAlign=center>Low Speed GMLAN Serial Data
</TD></TR><TR><TD vAlign=center align=middle>14
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=center>Not Used
</TD></TR></TBODY></TABLE>

 

you are exectly right. I Pulled a schematic, and that white wire triggers both of the screens to turn on

 

Well Shawn, Pin 6 (white wire) didn't work. It seems to have contstant 12volt power with when the headunit is on, even though a DVD is not inserted. I thought it was a possible short with that circuit, but that would cause the rear 2 video screens to be powered up which they did not. They remained off until I pushed "play" on the head unit or remote.

Any ideas how we can find out what this pin is actually used for?

Thanks