edit: "spike" noise through speakers when turning headlights off... - Chevy Impala SS Forum
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post #1 of 5 (permalink) Old 11-26-2006, 08:07 AM
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After 5 great years my Kenwood PS909 gave up the ghost, so I just installed an Eclipse CD5000 to replace it.

EDIT: I first posted it was the dimmer, it is actually the light switch, see my post a few down.

Anyway, all is fine, except that if the lights are on, and you move the light selector back to "parking" there is an audible "click" through the speakers.

My ground is good, spliced in with the stock harness to a good bolt on the firewall. No other noises through the system. Amps power up without spikes, power down without spikes, antenna power does not cause any noises in the system, etc.

EDIT: Is this normal for the light switch to cause? Bad switch? Bad wiring? Too sensitive radio? Need for a relay in between or what?

I don't want spikes through my system (edit) since I know spikes are bad so I'm looking for suggestions.

Any suggestions?


PJ Gross

[ 11-26-2006, 06:21 PM: Message edited by: PJ Gross ]
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post #2 of 5 (permalink) Old 11-26-2006, 11:47 AM
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Do you need the dimmer? Just don't connect it. I have a hiss in my system too. But I don't know what it is yet. I'll figure it out hopefully with the overhaul.
post #3 of 5 (permalink) Old 11-26-2006, 11:49 AM
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I don't have any hisses.
I get a short spike when the (edit, sorry abou that): light switch is on and then put back to the "parking" selection.

Sorry for the confusion.


[ 11-26-2006, 06:22 PM: Message edited by: PJ Gross ]
post #4 of 5 (permalink) Old 11-26-2006, 12:36 PM
White whale
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Sound like you are having issues with your dimmer switch itself. It may be arching slightly when operated. It may go out soon or never. Your new deck may be more sensitive to the switch spike then your Kenwood.

post #5 of 5 (permalink) Old 11-26-2006, 05:17 PM
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I need to restate my issue b/c I didn't write it correctly the first time (edited thread title)

Never mind the dimmer, I didn't state this correctly.

Ok, the real issue is this:

After lights are on, if the light switch is switched back to "parking light" mode, that is when I get a "spike" and quick "crack" in the system. It does not "spike" when going from parking to lights, though.

Maybe this is the same thing, a problem with the light switch itself?

Sorry for the bad post the first time.

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