[Shop-talk] back up camera wiring help

[John Innis]

Not sure if yours is the same, but mine automatically selects V1 when the
Blue Wire is OPEN and V2 when the blue wire has +12 V.  I hooked mine up to
a DPDT switch with a center off position so I could have ON-OFF-AUTO.  The
Blue wire is hooked up to the common terminal of them switch, the Reverse
lights are on one leg and a +12 constant source on the other leg.  I really
like being able to flip it on any any time I want while pulling the trailer.

On Mon, May 18, 2015 at 4:43 PM, john niolon <jniolon at att.net> wrote:

> Hi guys..
>
> bought an E-bay special backup camera system for my Suburban...  wonb t be
> installed permanently but used in different vehicles to hook up trailers.
> Will fab a bracket to hang the camera over the tailgate and the monitor
> will
> be in the cab.
>
> there is a 7b  monitor with a red/black for 12 volts  and two video feed
> lines for V1 and V2.   and a Blue wire they tell me to hook up to the back
> up
> light.
> there is a camera with a red/black  for 121 volts and a video o/p cable
> that
> goes to V1 or V2 on the monitor.
>
> Ib m assuming the blue wire is a trigger to turn on the camera when
> backing... but I want it on all the time so I assumed to hook it up to
> 12volt
> source.
>
> all I get when hooking up as above is a white light flashing on the monitor
> and no video at all   Ib ve tried it with and without the blue wire, blue
> wire to ground and blue wire to 12volt +
>
> nothing works..... any backinup gurus out there ???
>
> I can email a sketch of wiring if anyone wants it
>
> thanks
> John
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