CVA 1005 gets darker when I turn on my headlight
Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=6941
Printed Date: September 05, 2025 at 10:06 PM
Topic: CVA 1005 gets darker when I turn on my headlight
Posted By: AccorDance
Subject: CVA 1005 gets darker when I turn on my headlight
Date Posted: December 20, 2002 at 9:44 PM
Hi guys I just recetly installed CVA 1005 on my car with DVA 5205 and CHA 1214, I got a problem with 1005 is that whenever I turn on my headlight the screen will get darker, I tried to adjust the brightness and it doesn't really help, my question is, could it be my battery? or my alternator? or could it be the wiring problem? Any info would be appreciated Thx
Replies:
Posted By: AccorDance
Date Posted: December 20, 2002 at 9:52 PM
I have aftermarket HID system on ride, could it be one of the causes?
Posted By: Velocity Motors
Date Posted: December 20, 2002 at 10:25 PM
Where did you tap into for the constant and the switched ignition sources ? Check your ground as well for the CVA & DVA CPU's to ensure of clean and solid ground.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: AccorDance
Date Posted: December 20, 2002 at 10:42 PM
Thx for the reply Jeff, btw I didn't do the installation myself so I'm not sure how to answer your questions, so what you are saying is that it could be the wiring problem? but it's really weid though, how come it only happend when I turn on my headlight?
Posted By: shrapmetal
Date Posted: December 20, 2002 at 10:45 PM
Some cars have dimmer switches which automatically dim interior lights for night driveng-is it possible your amp is wired in to the dimmer system?
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Of all the things I've lost I miss my mind the most.
Posted By: Velocity Motors
Date Posted: December 20, 2002 at 11:28 PM
What car is this ? Year ? Make ?
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: netZ
Date Posted: December 20, 2002 at 11:46 PM
take a quick look at the manual regarding Dimmer feature. it's probably set to Auto, it will automatically dim the display if the parking lights are on. Press the SOURCE button, the main menu appears on the display.
Press 5(DISPLAY) button, the Display mode screen is displayed.
Rotate the rotary encoder and select "DIMMER"
Press the 3(AUTO) button to activate the Auto Dimmer
Press 1(OFF) button to deactivate the Auto Dimmer mode to keep the background illumination of the monitor bright
Press 2(ON) button to keep the background illumination of the monitor dark
netZ
Posted By: AccorDance
Date Posted: December 21, 2002 at 12:23 AM
it's a 1999 honda accord ex v6, I'm not sure if the car comes with dimmer system or not, I will have to check on that, btw I'm gonna ask my installer tomorrow about it, what do you guys think I should ask him or tell him so he can detect the problem more easily and faster? like what could be wrong besides the ground and the dimmer system etc...?? Thx a lot
Posted By: beerstud136
Date Posted: December 21, 2002 at 12:56 AM
i had the same problem wiht my deck. it had a dimmer in it, everytime you turn the headlights on , the deck would dim, i guess its so its not so bright at night or something? i hated it, but i just changed it in the menu, check your manual, its probably an option on your deck or whatever the hell you have. and worse comes to worse, diconnect the dimmer wire from the wiring harness on your deck? (quick fix)
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Posted By: AccorDance
Date Posted: December 21, 2002 at 1:41 AM
Thx guys for the fast reply, yeah it is the dimmer control feature that causes the screen to look darker, stupid me, should read the manual more clearly next time :P Thx for the help guys
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