Alpine Illumination

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vette00057

Member - Posts: 7

Joined: March 08, 2005

Location: United States

Posted: April 02, 2005 at 11:41 PM / IP Logged

Hi all, I just installed an alpine cda-9827 in my 1995 mustang and am having trouble figuring out how to connect the wires on my harness to make the illumination on the display dim when i turn my headlights on. My factory radio used to do this. The alpine harness has an illumination wire and the ford harness has a (-) dimmer wire and a (+) dimmer wire. Any ideas? Thanks!

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Bucko

Member - Posts: 1

Joined: April 03, 2005

Posted: April 03, 2005 at 1:01 AM / IP Logged

Similar problem with my Alpine installation...question: is there 12 volts coming off of the (+)dimmer wire when you take it to a common ground? (use a digital meter!)

Question to the forum:

If so, is that the wire you hook into?

I'm just wondering if blasting 12v into the illumination lead is what powers the dimming function...(just worried about frying something...)

thx1138

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tcss

Silver - Posts: 1,623

Joined: June 07, 2004

Location: United States

Posted: April 03, 2005 at 2:16 PM / IP Logged

It's 12 volt pos. for all Alpine HU. Should be lite blue with red stripe on your ford harness.

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vette00057

Member - Posts: 7

Joined: March 08, 2005

Location: United States

Posted: April 05, 2005 at 10:41 PM / IP Logged

i have not yet had time to hook up my multi meter to the (+) dimmer wire to see if there its 12V. but here is what i have tried; i attached the (+) dimmer to the illumination wire and that didn't work, i then attached the (-) dimmer to a ground with the (+) dimmer and illumination still attached and still didn't work, then i attached the illumination to a 12V constant and that didn't cause the HU dim.

my ford harness doesn't have a lite blue with red stripe wire on it, it has a (+) dimmer wire and a (-) dimmer wire on it but i don't remember what the colors are.

i am supposed to be able make the HU dimm when my lights are turned on with this model HU right?

any more suggestion? thanks for your input guys.

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Disclaimer: *All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

Alpine Illumination

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