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Headrest monitor power problem


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blaziantiger 
Member - Posts: 4
Member spacespace
Joined: January 30, 2004
Location: United States
Posted: March 26, 2004 at 3:35 PM / IP Logged  

Ok, before I get into the problem, let me tell you what I'm working with

1999 Ford Contour with stock battery, and two 5.6 inch Movies2Go monitors, 12 gauge power and ground wire

So, the way I have the TVs powered is there is one power wire for each TV coming directly from the battery. The wire then is fused with a 3A in-line fuse, then it goes to an interruptor switch (a blue glow switch from Autozone) then to the TV. Each TV as well as each switch is grounded on a single wire back to the battery's negative post. When the car is on ACC and the radio is on, I can turn both switches to ON and press power on both TVs, and they will power up. However, when I start the car up, the switches stay glowing but one of the TVs goes out as if it's not getting any power. Any idea why? Thanks for the help, if you need more details let me know

Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: March 26, 2004 at 4:04 PM / IP Logged  
Try switching the switches around and if the problem flips over when you switch the switches, then you have a faulty switch. Post your results.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
blaziantiger 
Member - Posts: 4
Member spacespace
Joined: January 30, 2004
Location: United States
Posted: March 27, 2004 at 12:25 AM / IP Logged  

See, I know it isnt the switch because I had the same problem before when I had both TVs running off of one switch. I also dont think it could be the switch, because how could the switch not work ONLY when the car is running?

Another detail: when the car is running and the faulty monitor is off, if I turn on an accessory like the headlights or interior lights, the screen flickers a couple of times like its getting a little power jolt. But, it still doesnt come on

Sound Pressure 
Silver - Posts: 711
Silver spacespace
Joined: March 09, 2002
Location: United States
Posted: March 27, 2004 at 4:33 AM / IP Logged  
Check your positive(12 volt) connection with a dmm and make sure that you are getting 12 volts while the car is running on those switches when they are switched on.
Sound Pressure
You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!
Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: March 27, 2004 at 10:29 AM / IP Logged  
Also, check to make sure that you do not have a cold solder inside the unit where the power, ground and IGN wires go into the back of the unit.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

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