Question about 2014 Jeep Patriot

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How to source a 12v Accessory Power for Flip Down DVD Screen

I am chasing up a source to connect my above DVD FLIP DOWN SCREEN. I have been told not to connect anything like piggy back to Cig Lighter or any other source as it may affect my ECU. I also have a set of parking sensors and just want to sure if i can connect to the reverse light source for power. I would like to make some sense as one person has scared me due to ECU being funny if you connect any power source to any outlet.

Posted by Anonymous on

  • Anonymous Sep 21, 2015

    thank you and will a go at it

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NoName Jack

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  • Jeep Master
  • 1,150 Answers

You said "ECU being funny if you connect any power source to any outlet"
You aren't connecting a power "Source" to the vehicle unless the unit has internal batteries.
The ECU is far more sensitive to someone connecting another lead acid battery to the system, as in Jump Starting the Car.
A spike or trancient voltage can damage the vehicles main control cpu or ECU but highly unlikely from a dvd player or mobile phone etc.
I wouldn't be overly concerned....
If the device you attaching draws only 1-2 amps then pinching a bit of power from the reversing light is the way we all do it.

But... you can insert a device like this in between to protect your DVD Screen from transients.

ADPTR MODULE MULTI VOLTAGE REG 1 5A DC DC Converters Power Conversion...

Posted on Sep 18, 2015

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