With aftermarket stereo's, they are usually pretty well lit up, so having the headlights on or off won't make any difference to how well lit up the stereo is. It can make a difference, however, when the stereo is turned off. What I mean by this is that with the stereo off it is not lit up at all (obviously) but if the illumination wire is hooked up, when you turn the headlights on the power button on the head unit will light up (so you can find it in the dark).
Might not apply to all stereo's, but that could be the reason.
Andrew
From: "Chris Simpson" <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: <[EMAIL PROTECTED]>
Subject: Re: Mobile electronics
Date: Mon, 20 Jan 2003 23:44:20 +0800
I think that your problems with shorting out dash lights will have to do
with the fact that the original stereo lights would have only come on when
you turn your park lights on.
When you fit an aftermarket stereo, they normally run with the lights on all
the time and have no ability to wire the lights into the cars park lights.
Often time people dont realise this and leave the park light wire hanging
around. People test it with a test light and get nothing so assume its a
dead extra wire, but when they turn on the park lights it touched metal
somewhere and blows the fuse.
If your still blowing park light fuses then i would suggest that this is
where your problem is. Just figure out which wre it is and tape it up so
that it cant come to any more harm
Hope this helps, sorry for the essay
Chris S
----- Original Message -----
From: "Mark Firman" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, January 20, 2003 7:13 PM
Subject: Mobile electronics
> Hi all,
> Can anybody who knows a bit about mobile electronics explain to me the
concept of the illumination circuit (i.e. dash lights etc) and how it works,
and also why it has anything to do with a car's stereo ...
> Any explanation, complex or simple, would be a great help!
> Cheers,
> Mark Firman
>
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