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      07-02-2019, 03:03 PM   #8
jdfdj
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Drives: 2014 BMW X1
Join Date: May 2019
Location: TX

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So question for you all...

I did the relay install and wired the 12v constant to the positive battery terminal. I added an 5A inline fuse. I left all the wires out and tested the camera and it worked perfectly.

I turned the car off, went back to put all the wires neatly together and wrap it up. Then I tried the camera again and it did not work.

I went to look directly at the relay to see what the issue was. The positive and ground worked fine on the relay (12.4V), so that was not the issue.

The problem seems to be that I am getting a constant 0.35-0.39V from the reverse light wire, even when the car is off. I believe this is what is triggering the relay to not work. Any tips for me? I removed the 5A fuse so the relay would not be getting 12V constant and the trigger still got 0.35-0.39V.

Last edited by jdfdj; 07-02-2019 at 04:36 PM..
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