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Old Jul 13, 2012 | 09:33 PM
  #1  
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Default Radio Install Help!

Hi everyone,
So I have been doing some research before I attempt to install my own radio. I have a 2003 C4S with a MOST system, but non bose. So I have to install 4 wires from the head unit to by pass the amp in the trunk. I can not seem to find a good way to enter the trunk. I have attached some picture, and here is where the harness and optical cable enters the trunk.

It looks very tight, how do I put more wires through the gromet? Should I drill the gromet? The red arrow is where the tunnel through the firewall is.

Please advise!

Thanks !
[ATTACH]photo 3.JPG[/ATTACH]
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Old Jul 13, 2012 | 09:55 PM
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I would try using a cut coat hanger with some silicone spray and try to push it through he grommet. Once you get it through, attach a wire(s) to it and pull it through.
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Old Jul 14, 2012 | 06:06 AM
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Check what is behind the battery on the firewall, all posts I have read suggest thats the point of ingress
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Old Jul 14, 2012 | 08:08 AM
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Yes, just left of the battery there is a rubber cap. You can pull the cap out and make a hole for your wires.
Then reattach the cap.
It's a bit fiddely with not much hand room but easy enough!
I'll add some pics if you need
Jack
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Old Jul 14, 2012 | 09:04 AM
  #5  
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Jack, tothe leftof battery looking from the front of the car?
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Old Jul 14, 2012 | 09:15 AM
  #6  
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Yes, as you look at the car.
But that's on a uk car it might be on the right of a us model
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Old Jul 15, 2012 | 03:33 PM
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Hi jack you are right, it's on the right side for me. Thanks for all the help so far, so the radio is almost installed, after plugging battery back in and instrument cluster back in, when I put car key in ignition to On position, I get all these errors
"oil level indicator failure"
"temperature failure",
"fuel sensor failure"
"oil pressure failure"
"windshield washer fluid level failure"

I checked all teh connection back to the instrument cluster, the Blue, green, gray. All are secure.

What is wrong?

Last edited by Neb; Jul 15, 2012 at 04:38 PM.
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Old Jul 15, 2012 | 06:00 PM
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Never mind, it was the blue plug wasn't all the way in.


Originally Posted by Neb
Hi jack you are right, it's on the right side for me. Thanks for all the help so far, so the radio is almost installed, after plugging battery back in and instrument cluster back in, when I put car key in ignition to On position, I get all these errors
"oil level indicator failure"
"temperature failure",
"fuel sensor failure"
"oil pressure failure"
"windshield washer fluid level failure"

I checked all teh connection back to the instrument cluster, the Blue, green, gray. All are secure.

What is wrong?
Reply
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Old Jul 16, 2012 | 08:03 AM
  #9  
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Hi Neb
Sorry for late reply.
Glad you issue is sorted now. I would have suggested to unplug everything and then plug everything back in. Which I'm guessing is the car equivalent of turn it off and on again

cheers
Jack
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Old Jul 16, 2012 | 12:17 PM
  #10  
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Thanks everyone for your help! the unit is finally in.

IMG_0421.JPG
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Old Jul 16, 2012 | 01:44 PM
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Looks good! What unit is it?
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