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Question about Jensen VM9020TS Car DVD Player

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Rear view camera

Monitor does not switch to camera mode automatically when vehicle is put in reverse, what could be wrong?

Posted by willie sharp on

  • Leymon Mar 17, 2009

    I have the Jensen UV8020 and I'm trying to hook up a rear veiw camera. What do I hook the green/white wire to on the back of my dvd player?

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1 Answer

Brian Neathery

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  • 156 Answers

The unit uses a wire from the back of the head unit to connect to the vehicle wire that sends voltage to your reverse lights. If this wire isn't connected or isn't connected correctly, the head unit can't tell when your vehicle goes into reverse. Most installers don't bother with that wire if the unit isn't being installed with a back-up camera.

Posted on Mar 07, 2007

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Related Questions:

1helpful
1answer

Back up camera not coming on automatically when put in reverse. Why??

Are the backup lites coming on? If they are take a volt meter and check if voltage is getting to camera when put in reverse. If it is getting voltage it is either a bad camera or a dusconnect between the canera and monitor. Look for damaged wires first
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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.
2helpful
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I have just install a rear view camera and monitor,it comes on when i put car in reverse but as soon as i touch the foot brake the monitor shuts of,why does it do this?

It sounds like you connected to the conductor (wire) that controls the actuator that locks out shifting the transmission which is then disabled when you actuate the brake.

Please provide the model of the car and video system; I may be able to get an electrical schematic and trace out the signals.
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0helpful
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Hi - I'm trying to install backup camera - it needs 12v - can I hook the power up with reverse tail light - I suspect it is 6v only? I want to poser the camera when reversing the car. Thanks

Your camera is 12V. You suspect the reverse tail light is 6V. If your vehicle is 12V, as most are, then the reverse light is 12V. Some vehicles, large trucks, etc., may be 24V, but 6 V vehicles haven't been around for many decades. Confirm that your camera voltage matches the vehicle voltage.
Related to your question- There may be times other than when you are in reverse that you want to have the camera on. For example, if you are installing it on a motor home. I've driven a MH with the camera on most of the time and it has been useful as it provides a better view immediately behind the vehicle than the side view mirrors. If we don't want it we can turn off the monitor.
If you don't have a live 12V feed at the back of your vehicle, you could either run the wire from the front from a terminal which is switched on when the key is "on", or consider connecting it to a tail light wire. You'd have to turn on the tail lights to have the camera activate, but you can do that any time and leave them on while driving. At night the camera would always be on, but the monitor can be switched off. Bear in mind that some cameras can take several seconds (especially when cold outside) to provide a decent picture, so if you connect it to the reverse light you may need to be patient before backing.
Jan 31, 2011 • GPS
2helpful
1answer

My pioneer double din screen says ''Caution, screen image may appear reversed''...how can i solve this problem?

Hi,

As you know, you can use this DVD AV Receiver with a rear view camera. And also it can be installed to switch automatically from the video to rear view image when the gear shift of the car is moved to Reverse position.

But it is important to use a camera which outputs mirror reversed images.
Otherwise the screen image may appear reversed. And this means that you will see the rear view reversed in the monitor. And that may cause accicent and injury.

To solve this problem, first check your rear camera whether it has the capability to output mirror reversed images.

If it is, then check the wire connections of the rear camera using the operation manual or ask a technician.

Also check the settings of camera polarity if it is set properly or not in the system menu when connecting the rear view camera.

You can download the operation manual (pdf file) by clicking here.

I hope this helps.

If you would like to vote for the answer, this will help the others to see the similar problems solved and also will be a satisfaction factor for me to continue helping you.

All the best.
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What does the green/white wire connect to on my jensen vm9312hd? Says it is reverse +

Rear View Camera Input: The VM9313 features a composite video input and a green/white wire lead attached to the harness for connection of a rear view camera. If a rear-view video camera is connected, the unit is on, and the TFT monitor is retracted inside the unit, the TFT monitor automatically moves into the viewing position and Camera modes is selected upon shifting into Reverse gear. When shifting into Drive gear, the TFT monitor is retracted back inside the unit. If the monitor is already in a viewing position and in display mode, the monitor automatically switches to Camera mode upon shifting into Reverse. When the reverse driving stops, the monitor returns to its original input display mode. You can choose for the monitor to display a Mirror mode image or a Normal mode image from the rear-view camera.
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Back A Car Signal

The speculation on this webpage: http://www.mp3car.com/vbulletin/archive/index.php/t-88625.html 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!
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