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Video while driving; Lanzar sdmu head unit

I was wondering if there is a way to bypass the parking brake wire so you can play video while driving. I have a Lanzar sd4mu head unit.Any help would appreciated. Thanx

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Just ground the "brake" wire from the unit.

Posted on Dec 24, 2007

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Does this work?

Posted on Jul 30, 2008

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1 Answer

Parking brake bypass


Hi theres a code you have to put in i bought the code for mine on ebay here is a link to the one for lanzar on ebay make sure you double check the models it works on and yours is one of them>

http://cgi.ebay.com/Lanzar-automatic-video-Bypass-Hack-SDBT77DN-SDBT79NG-NV_W0QQitemZ230424999284QQcmdZViewItem
QQimsxZ20100117?IMSfp=TL100117224002r3200

Feb 05, 2010 | Lanzar INDASH 5.4" MONITOR DVD RECEIVER...

2 Answers

My lanzar sd31mu says that i cant play a DVD while i drive I want to know what to do. Thank you.!


there is a wire that goes to the parking break warning light switch, simply disconnect to watch while you drive, but this may be illegal so I would say don't do it, not to mention dangerous.

Oct 10, 2009 | Lanzar SDBT75N Car DVD Player

1 Answer

Lanzar not playing dvd's says parking brake


what you need is a toggle switch...
put the switch between the parking brake wire, and actual ground,
the black wire will work, just extend the wire so the toggle switch is
accessible, once you do that turn your indash on,
slap a dvd in it, then once it displays the parking brake message,
hit your toggle switch once, if it doesnt get it,
try it multiple times but with a second between clicks,
that should do it and please keep the eyes on the road. :]

Jun 22, 2009 | Lanzar SD4MU Car Video Player

1 Answer

I cannot play DVDs without the parking brake engaged how do i bypass this?


I ran across of alot of lcd head units that requiers the parking brake wire connected so it will show the video, (usually just audio if parking brake not on). But if you connect that wire to a proper ground (screen always on) or a grounded switch so you can control it maually (turn it on or off when you choose)

May 30, 2009 | Pyle PLD52MU Car DVD Player

1 Answer

How do i bypass the parking brake switch in order for my video to play


Take the wire that they tell you to hook to your parking brake and hook it to ground instead.

Feb 27, 2009 | Pioneer Car Audio & Video

1 Answer

How do i bypass the parking brake switch in order for my video to play


DVD head units have one extra wire in their wiring harnesses, compared to a standard CD head unit. On my Jensen, it's a peach-colored wire, and is the activation wire for the DVD feature. During the installation, the instructions call for this wire to be tapped into the emergency brake indicator light wire. The reason is this:

The e-brake indicator light is what is called a "ground complete" circuit. That means that the bulb always has power applied, but when you pull the brake, that puts a ground to the wire and completes the circuit, allowing it to illuminate. The head unit sees this ground, and activates the DVD player.

In my Jensen unit, I simply ran this wire to a ground (I used a screw near the fuse box), and I put a switch on the wire, so I could break the ground contact at will. Jensen calls for a procedure to activate DVD playback. In their instructions, they tell you to select DVD from the option menu, and when the "lawyer screen" comes up (the one warning you to park before you watch a movie), you release the e-brake for 3-5 seconds, and then reapply it. To simulate that with the switch I used, I leave the switch closed (activated), and select DVD. Then I flip the switch "off" for 3-5 seconds, and flip it back "on". This tricks the head unit into thinking I put the e-brake off for a few seconds and then put it back on, and the movie will start. Then I can drive away.

Basically, ground the wire that is used for DVD activation, and put a switch inline on it. Then you can break and reapply the ground in whatever manner is required by the manufacturer of your head unit. If there is no off/on sequence with yours, as there is with mine, simply ground the wire to a screw inside the dashboard and you're done.

Aug 25, 2008 | Dual XDVD8181 Car Video Player

2 Answers

How do i bypass the parking brake switch in order for my video to play


DVD head units have one extra wire in their wiring harnesses, compared to a standard CD head unit. On my Jensen, it's a peach-colored wire, and is the activation wire for the DVD feature. During the installation, the instructions call for this wire to be tapped into the emergency brake indicator light wire. The reason is this:

The e-brake indicator light is what is called a "ground complete" circuit. That means that the bulb always has power applied, but when you pull the brake, that puts a ground to the wire and completes the circuit, allowing it to illuminate. The head unit sees this ground, and activates the DVD player.

In my Jensen unit, I simply ran this wire to a ground (I used a screw near the fuse box), and I put a switch on the wire, so I could break the ground contact at will. Jensen calls for a procedure to activate DVD playback. In their instructions, they tell you to select DVD from the option menu, and when the "lawyer screen" comes up (the one warning you to park before you watch a movie), you release the e-brake for 3-5 seconds, and then reapply it. To simulate that with the switch I used, I leave the switch closed (activated), and select DVD. Then I flip the switch "off" for 3-5 seconds, and flip it back "on". This tricks the head unit into thinking I put the e-brake off for a few seconds and then put it back on, and the movie will start. Then I can drive away.

Basically, ground the wire that is used for DVD activation, and put a switch inline on it. Then you can break and reapply the ground in whatever manner is required by the manufacturer of your head unit. If there is no off/on sequence with yours, as there is with mine, simply ground the wire to a screw inside the dashboard and you're done.

Aug 23, 2008 | Jensen VM9511TS AM/FM/CD/DVD/SD Player/7"...

3 Answers

How do i bypass the parking brake switch in order for my video to play


To bypass the parking brake you should connect the parking brake wire from the unit to ground. It is better to do it via a switch because is illegal to watch video while you're driving. :)

May 15, 2008 | Car Audio & Video

1 Answer

Video while driving


Yes, just did this myself with a Lanzar unit. Instead of attaching the parking break wire to the parking break, attach it to the ground wire or any other useable ground connection. Works great.

Dec 24, 2007 | Lanzar SD4MU Car Video Player

1 Answer

Brown parking line


4 months and nobody answered this for ya?? This unit is designed to prevent video operation while the vehicle is in motion, connect the brown parking wire to the parking brake indicator. Or, to bypass the safety application, simply connect the brown parking wire to the ground wire.

Sep 02, 2007 | Lanzar STV71 In Dash 7" Color LCD TV Car...

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