Dash lights/new head unit

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=36125
Printed Date: March 13, 2026 at 11:37 AM

Topic: Dash lights/new head unit

Posted By: DNK6987
Subject: Dash lights/new head unit
Date Posted: July 25, 2004 at 7:27 AM

not too long ago i had installed a new head unit into my grand marquis. after it was installed i noticed that the dash lights wouldnt work. i checked the fuse and it was blown and i replaced it to have it blow again. Also the head lights dont turn off all the way sometimes and you have to jiggle the knob on the dash to turn them off and if i wanted my dash lights to work i have to unplug the stereo and and put in a fuse......

how can i fix this problem?

thanks for any help

Replies:

Posted By: SoundImage
Date Posted: July 26, 2004 at 3:11 PM

double check your dimmer and illumination wires, if you have to judt cut and cap the wires

Posted By: 94legend
Date Posted: July 26, 2004 at 3:28 PM

Go over your wires. If everything is wired up right. Im not too sure about your car.

"double check your dimmer and illumination wires, if you have to judt cut and cap the wires"

Posted By: sparkie
Date Posted: July 26, 2004 at 3:33 PM

Check your power and ground wires. In some Fords there is a 12 volt wire that appears to be ignition, when it is actually for the lighting. Check to make sure that you haven't used a lamp wire for the radio ground. It will test as ground until the lights are turned on.

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sparky

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