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2003 CR-V EX AWD Milano Red
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Discussion Starter #1
Thank you all for your time. This is my first post on the Forum. And although I just purchased this 2003 CR-V EX, it is our 4th CR-V. Yes, we are fanatics. 1998, 1999, 2003, & 2014. Only the 1999 (our best and favorite) is no longer with us. Anyway, the car came with a very nice brand new single dim Sony Stereo System installed (poorly). But, I knew when I bought it, that the Stereo did not work. I used that for price leverage and got a better deal. Upon examination, Sony was fully operational, but no sound. Also, someone had cross wired the Amp (blue) to ACC, so it created some strange electrical oddities... like the Sony unit not powering down after full start and key off (never seen that before). I pulled the Sony, and purchased a new Dual unit. After a careful wiring job, I installed the new Dual unit only to discover the same issue with the Sony - operational head unit, no sound. Not even a wine. But, this time the unit turns off with the ignition, so I got that right. Audio fuse is intact, btw. I have been doing very extensive research on this subject and found many similar occurrences, mainly with Acura's. Just no solid solutions.

One thing to note on the diagrams... the Honda adapter has one additional wire. It is not unidentified by any other source I can find. Position 19 (Red). Adapter makes it Orange/White. Might be Dimmer (-) but cannot verify. The Dual unit also has one additional wire, noted as Reverse (Green/White (+)). I presume this is used with a BU Camera. Can anyone verify that? And do you know what the Honda Pos. 19 Red is for?

The 2003 is in excellent operational condition, despite 205K miles. Mechanically and physically the vehicle is extremely clean, so I'm hard pressed to believe it is speaker wire corrosion. But, I am also out of other ideas. I was hoping to test theories and ideas here one more time prior to doing more extensive work, or taking it to a specialist. Since this is my first time on the Forum, I'll try to give back a little helpful information to others in terms of my diagrams. I made certain I had everything right before even connecting the unit. Hopefully they are helpful to you, and someone out there can help me. Thank you.

BTW... I plan to outfit this one for off road use. Anyone who has done or is doing the same, I'd like to get to know.

Atos
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Super Moderator - How may I help?
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2,850 Posts
Welcome! Looks like a nice one!

Have you looked at the actual speakers?
 
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2003 CR-V EX AWD Milano Red
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Discussion Starter #3
Welcome! Looks like a nice one!

Have you looked at the actual speakers?
Thank you. Not yet. I am 'assuming' they exist (the warning of Felix Unger notwithstanding). That is one of my next tasks. First, I might try disconnecting all the speakers from the harness, and attaching then one by one to see if I can bypass a ground and isolate the fault. But, I see your point. First investigate the obvious.
 

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2004 standard Honda CR-V (Red) EX
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16 Posts
Maybe a wire burnt out somewhere in the wiring harness.
 

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2003 CR-V EX AWD Milano Red
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3 Posts
Discussion Starter #5
JB in AZ... you win a prize. Problem solved. The speakers are not there. The good news is that cups are already prepped for new replacements. That will save me a lot of work. I will report back with status and pics after speaker install.
 

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2007 CRV
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273 Posts
Sounds like you know what you are doing.
In your CRV 03 wiring diagram it says pin 19 is the dim control (-). Red
And pin 9 is dim control (+). Red with black stripe
Most installers leave this off

The wire on the unit is noted as reverse for the reverse camera.
Usually hooked up to the reverse light.
When it goes to 12 volts, the unit should put the reverse camera feed on display
With the reverse camera, there should be an audio/video cable with another wire
That wire is used to carry the signal that the transmission is in reverse.
 
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