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Radio Install Help!

Neb33
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Neb33 Member

Neb33

Posted
Posted

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 !

post-74324-0-11047300-1342226535_thumb.j

post-74324-0-07362600-1342226538_thumb.j

  • Admin
Loren Member

Loren

Posted
  • Admin
Posted

There should be a grommet under the carpet above the accelerator pedal. If there is not hole in it cut a small one to pass the wire(s).

The grommet comes out on the windshield side of the battery. You may need to remove the battery to get good access.

Richard Hamilton Member

Richard Hamilton

Posted
Posted (edited)

Here's a photo from the front, to the left of the battery (as you look at it) The red arrow shows the one Loren refers to, but if you have a Tiptronic you can use the grommet with the green arrow.

post-4000-0-17387200-1342255395_thumb.jp

Edit - This is a Right Hand Drive car shown, so you may find it to the right of the battery on yours!!

Edited by Richard Hamilton
Neb33 Member

Neb33

Posted
  • Author
Posted (edited)

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?

Edited by Neb33
  • Admin
Loren Member

Loren

Posted
  • Admin
Posted

Are they all "locked in place"?

All of your failures are on the Blue plug. I would remove and re-seat it and make sure it is locked into place.

Neb33 Member

Neb33

Posted
  • Author
Posted

Are they all "locked in place"?

All of your failures are on the Blue plug. I would remove and re-seat it and make sure it is locked into place.

Thanks Loren, I took everything apart again, and realize the blue plug was not all the way in. Everything works now. Thanks for all your help.

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