Question about Prosonic PDS-758LP Car Video Player

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No power to car DVD player or monitor, lights work

Okay, I have a question for you. It's actually a Provision flip-down car monitor, I have no idea what model number. I couldn't find that brand on this site, so I just picked one that sounded similar. Anyway, we have had this DVD player in the car since we bought it (used), but never tried using it until our daughter hit 17 months and became interested in videos. It is a flip-down style monitor that supposedly connects to a PS2 over the glove compartment. I cannot get the screen or the PS2 to power-up. I would like to avoid taking this to a repair shop, if possible, since we really can't afford to do that. I did some reading online and think that maybe the systems are wired into the car battery or electrical components somehow. When I raised the hood, on the positive side of the battery there is a large red plastic thing that covers some other wires, that I haven't noticed on car batteries before... Not sure if that's significant. I tried shaking the wires by the glove compartment to see if I could see what they hooked up to, but nothing seemed affected. It looks like they go into the area behind the radio. Tomorrow I was thinking about taking the glove compartment off completely for a better look, if possible, but am desperate for some insight--even if it's just to tell me that this is a lost cause. One other thing that I thought was odd is that the car interior lights attach directly to the monitor, but they have no problem powering on. Not sure if that is significant. Thanks!! Thanks in advance, Kristen

Posted by Kristen Caluag on



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Brian Neathery

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I'm not surprised the interior lights continue to work. On most monitors, they use a separate power source from the main system power. Since an overhead monitor replaces a vehicle dome light, installers typically use the existing wires for the lighting circuit, and run the monitor's power somewhere else. Usually these systems are designed to use two power inputs: a constant power input and a key-switched power input. There are two places in the vehicle where both these connections can be made easily, and installers usually run their power wiring there: either behind the radio, or under the steering column at the key switch wiring. The add-on wiring typically has its own fuses and fuse holders, which should be located near the connection point. So the first thing to check would be those fuses. If you can drop the driver's side knee panel to inspect the key switch harness, and remove the radio to inspect the wiring at the rear, you will probably find two wires tapped into the stock wiring. There's a good chance the new wires will be red and yellow, and each should have its own fuse holder with a fuse. If either of the fuses is blown, it's the likely cause of your problem.

Posted on Jul 31, 2007


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