Re: IML: electroluminescent lighting power supply

[randalpark@xxxxxxx]

That would indicate a short to me, most likely one of the needles, but 
it could be any where. Try disconnecting the gauges first and see if 
others light, then reconnect the gauges one at a time until you find 
the bad one. Remove the cluster and see if the others light. Ground the 
cluster while you are working on it, so that the good ones will light.

Good luck!

Paul W.

-----Original Message-----
From: macedonxx@xxxxxxxxx
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Tue, 6 Feb 2007 4:15 PM
Subject: Re: IML: electroluminescent lighting power supply

Hmmm. That's interesting because what happened was I turned on the 
lights and the dash flicked on for just a fraction of a second and then 
went dark. And has stayed dark since despite my repeated cycling of the 
light switch. I even gave it a few good left and right rotations to 
exercise the rheostat. Somehow hoping and wishing it would magically 
begin to work again. Like I said I will be checking out my power supply 
this weekend. The light switch is in fact new. Thanks.

Dave
1962 Imperial Crown 4 Door (x2)
1957 Buick Roadmaster 75 4 Door

randalpark@xxxxxxx wrote:One light can suddenly short out and that is 
exactly what would happen.
Poof! the system would go dark. I wouldn't write off the power supply
until checking for shorts in the system. The power supply isn't usually
the problem. It can be and so can the headlight switch, but usually not.

One thing to note is that the power supply is mounted in a spot where a
leaky windshield gasket can ruin it. If the power supply is rusty
looking I'd check for leaks before replacing it.

Paul W.

-----Original Message-----
From: R.vdes@xxxxxxxxxxxxxxx
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Tue, 6 Feb 2007 7:17 AM
Subject: Re: IML: electroluminescent lighting power supply

Hi Dave,

Well, ofcourse you can check for shorts but if you have a short then
the whole EL system would be dark and it won't have worked for a few
months.

However, you can easily check the entire system for shorts by pulling
the white wire that is going to an Electroluminescent item one by one.
If the system then suddenly lights up you have found the wrong part of
the system.

On the otherhand, the power supply maybe at fault. But first make sure
it is properly grounded and that it is receiving 12 V battery power.
Unplug it from the wiring that is going to the dash, give it 12V and
check for an AC output of approx. 250V.

If not, it is time for rebuilding it. This shouldn't be too difficult
as long as the transformer is allright. You will find all the info you
need on the IML site (repair section).

Good luck,

Robert
1960 4 door HT Crown
----- Original Message -----
From: David Dimitriou
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Tuesday, February 06, 2007 3:35 PM
Subject: IML: electroluminescent lighting power supply


I found the write up on the web site. I was actually able to repair my
push button electroluminescent panel and the wiper dial using the
technique detailed in the write up. Worked great! However recently my
power supply just up and died. Everything worked great for a few months
and then poof. So now it looks like I'll need to repair the pwr supply.

My question is could I have done something wrong during my repairs that
would have caused the power supply to die? I'd hate to get my power
supply repaired only to kill it again because my system had problems.
What should I check for to ensure this does not happen again? I figure
testing for shorts would be a good idea. Any other suggestions?

Thanks,
Dave

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