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Wierd electrical problem affecting stereo....


skid
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Current problem is when I'm driving and hit the brake or use indicators my stereo dims as though I have turned on the headlights. weird thing is some ties it does it for the duration of the trip, other times it will do it for a few seconds the stereo back to normal, its causing me grief with my reversion camera, I have owned this truck for less than a month, and am finding things like this out every day, I've tried to earth the rear indicators and tail lights and brake lights with diodes which made no difference, its as though when I use the indicators etc it is finding earth though my stereo.. Haven't tried running the camera off the wires for my trailer plug yet as the previous owner ripped and mangled the wiring when 4wding.. I have checked and made sure no of the wires for the trailer plug are shorting. Have run an earth from battery to engine, have run an earth from battery to body from battery, have run an earth from the head unit to body, and it still does the same thing, but it is so wierd, when I finished the earths I turned the unit on and as soon ats the dash lights lit up it interfered with the stereo as though it was trying to power up the reversing camera, same deal with indicators, hit brake or using indicators does the same.... Then I turned the key to light up all the dash lights a second time and it did not interfere with anything,
Any ideas and suggestions appreciated..
 
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So, your post is so confusing to read but I think I have managed the following take from it:

You have aftermarket stereo am I right?If so what is it?

You have some addional wiring to it for reverse camera am I right?

My take is that there is some horrible cut and splice electrical job in there, how about finding out what is connected to what.

If answer is yes to aftermarket stereo then:

The adapter to convert to Nissan wiring harness, is it correct? Because the stereo should have no influence or be interferred when you use indicators or brakes unless these circuits somehow back feed through display/switches night illumination (blue and black wire usually)

Also reverse lights signal is used for reverse camera, some aftermarket stereos (especially the ones with 6" color display/touch screen) require park brake signal wired.

Regards

 

 

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2 hours ago, Rumcajs said:

So, your post is so confusing to read but I think I have managed the following take from it:

You have aftermarket stereo am I right?If so what is it?

Its an eonon chinese head unit

You have some addional wiring to it for reverse camera am I right?

Correct

My take is that there is some horrible cut and splice electrical job in there, how about finding out what is connected to what.

I will eventually get to that

2 hours ago, Rumcajs said:

If answer is yes to aftermarket stereo then:

The adapter to convert to Nissan wiring harness, is it correct? Because the stereo should have no influence or be interferred when you use indicators or brakes unless these circuits somehow back feed through display/switches night illumination (blue and black wire usually)

Can use the factory as the fool who had this car before me cut the wiring harness out so he could wire up another stereo, I've had this stereo in the last 3 cars I've had and used the nissan adapter to connect the unit, have never had to solder wires together before, the wiring in the dash is a nightmare.

Also reverse lights signal is used for reverse camera, some aftermarket stereos (especially the ones with 6" color display/touch screen) require park brake signal wired.

Park brake is wired to earth as it has been in my last 3 nissans....

 

 

 

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