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I'm trying to hook up an old stereo of mine which is a Kenwood touchscreen (KVT-911DVD) and I'm having some trouble.

The stereo consists of the display unit and a separate receiver, or what I've heard called its "brain," and, of course, a bunch of wires.

My problem is that I can't seem to get the display to power up.

I'm sure that the "brain" is powering up because I can hear it kick on when I plug the harness into it. And I've done this numerous times to be sure. On top of that, when I turn the key to (II) I have heard static coming through the speakers.

The display unit has it's own separate little harness which consists of 5 wires: ignition (red), battery wire (yellow), ground (black), dimmer (orange), parking sensor (green). I don't plan on connecting the last two if they aren't necessary. Other than that, I may be mistaken here but there is an optical cable, some audio cables, and an MZ bus cable which all connect to the "brain."

I haven't been able to get the display unit to power up at all, though I have seen a light come on. I have also tried hitting the reset button on the display unit to no avail. I've checked all the fuses I can see and think of and they all look good. I'm concerned that I may have screwed up the wiring somehow.

Any advice before I add more details?

 
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I'm going to upload pictures of the harnesses to see if anyone can tell me whether I'm screwing up the wiring... I'm working on the pictures now.

 
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this is the harness with only the speaker wires connected
#1 http://imageshack.us/photo/my-images...172655361.jpg/

this are the remaining wires
#2 http://imageshack.us/photo/my-images...117272792.jpg/

these are the remaining wires from the "brain," excluding the speaker wires which are connected in the first picture
#3 http://imageshack.us/photo/my-images...117280016.jpg/

These two wires come from the "brain," and I'm not sure what to do with them. I thought the "P. CONT" (blue/white) wire was supposed to get connected. In the manual for the stereo, it says: "When using the optional power amplifier, connect to its power control terminal." I have no idea what that means.
#4 http://imageshack.us/photo/my-images...172805922.jpg/

this is the smaller harness for the display unit
#5 http://imageshack.us/photo/my-images...172837972.jpg/

this is another pic of the display unit harness showing the fuse on the ignition wire
#6 http://imageshack.us/photo/my-images...172901131.jpg/

 
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I am mostly confused about what to do with the blue and black wires in the first picture.

I realize the black is supposed to be a ground, but it is very short. I imagined that there was already a ground made through the factory harness and so I assumed I could connect the ground from the small harness of the display unit to this. And, at one point, I had spliced all 3 ground wires together. Is this wrong?

Eventually, tried to ground all 3 separately, though to the same bolt, and I still can't get the display to work. Though, it must be getting some kind of power because two of the lights flicker when I try holding the reset button.

 
Rep Power: 195

Have you tried hooking up the parking sensor wire? I believe it has to be connected to something to work. There are ways to bypass it, but it may require a ground or power to function at all.