Question about Alpine Car Video Monitors

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Screen light but no picture

My back up camera screen lights up but there is no picture. Can you let me know why?

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I have a problem with my monitor, after i turn on my pc but the monitor the screen no display yhe light monitor is on but if we change the other monitor the screen appear image

Posted on Feb 27, 2009

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Mmy daughter gave me this camera when she bought new vehicle with back up camera.I donthaveinstallationbookorinstructionscanigetthisinfooncomputertoprintout

yes you can find generic info on this. most all the systems, no matter name brand, have the same basic installation.

you will need a 12 volt power source for the monitor. the camera power will come from the reverse lights power source(tap into the power at the reverse light), then you will need to run an rca style cable from the camera mounted position to the monitor itself.
so every time you put vehicle in reverse the camera comes on.
or you can wire the camera and the monitor through a switch and it will come on anytime the switch is turned on. but if you do this, the switch need to be wired to a ignition controlled power source.

Jun 01, 2015 | PEAK Back-Up Camera with 2.4 LCD Monitor -...

2 Answers

I am listening to the radio part and it keeps switching from mono to stereo what do I do to fix that problem

Back in the day this happened when the signal for FM bets weak. It is worse during day light hours. I don't know if you can boost reception with this.

Oct 21, 2014 | Legacy LDSN7 Touch-screen 7" Motorized LCD...

1 Answer

Is there a way to correct color issues on my lumix dmc-fh25

Set the camera's white balance to match the lighting. Most indoor lighting has a yellowish cast to it, while by default cameras are set for sunlight.

Jan 10, 2013 | Panasonic Lumix DMC-FH25 Digital Camera...

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There is a black power cable with two leads for the power for the camera but I don't have in the instructions what to do with it

This is how to hook up the Pyle PLCM7300BT:
On the license plate camera, plug the black cable provided with 2-wires inside (one red and one black) to its counterpart on the camera. On the open end of this black cable, strip and connect the black wire to the car/truck metal body part.
Connect the red wire from the camera and the green wire from the monitor (part of the big black cable from the monitor) to the power wire to the back-up lamp socket.
Connect the Red wire from the monitor to a switched terminal on the fuse box so that it would only have power when you have the ignition key on.
The rest of the wiring is simple and common sense.
To operate, turn on the ignition of you car/truck and put it on reverse you should see the camera view. Put the car/truck on Park, the monitor screen should go back, if not, push the power button once.
To set up the blue tooth: Push the power button on the monitor so that you can see the blue screen and "no Input". Put your phone on discoverable mode and push scan for device. AT the same time push the "pair" button on the monitor.

I did all the figuring out on the bench using a 12 VDC power supplies and contact switches to make sure I understood how it worked. Once installed on my 1988 Suburban, it worked as expected.

The only problem I had to patch the long green wire (reverse car) so that it reached the back-up light socket.

Let me know if you still have problems. Email me at

Wayne Tan

Feb 24, 2011 | Pyle PLCM7300BT Mirror Monitor

2 Answers

How or where do I hook up the green wire (the one going to the reverse whatever),,,,,..... I would like to hook it up so it only comes on when the car is in reverse and becomes a mirror all other...

I added some extra line and hooked it up to my trailer plugs' light green wire. I also connected it to the tail light solid green wire. Both produced current the same way. Still blue sreen with no signal...but I am sure this s where to plug them.

Oct 19, 2010 | Pyle PLCM7200 Car Monitor

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The rear camera have two wires: one is Video AV2 and the other is black/red color, OK. Now, my question is:Where to connect the black/red wire? Thank you.

This is the power connection.

You need to connect this to a 12v switching circuit to enable the camera to overide the current display.

For example, you could attach it to the reversing light switch in the gear box so that when you select reverse the picture is over ridden with your camera view. Or to the reversing lamp. You could connect it direct to a switch for manual control.

Mar 23, 2009 | Car Video Monitors

1 Answer

No image on screen


Jan 08, 2008 | Audiovox VOH1041DL 10.4 in. Car Monitor

1 Answer

Back A Car Signal

The speculation on this webpage: makes it sound like it is a trigger to switch the monitor to display a rear-facing camera when you put the car into reverse. You would either wire it to a manual switch (to 12v) or to your reverse lights. Keep in mind, this is not an authoritative answer. Good luck, and let us know if this helps!

Mar 20, 2007 | T-View T700HRBK 7 in. Car Monitor

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