Re: IML: '60 Imperial Dome Light stays on

["john sadowski" <jsadowski@xxxxxxx>]

I assume you have the switch above the windows shut off?

John
----- Original Message ----- 
From: "Rob van der Es" <R.vdes@xxxxxxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Thursday, May 31, 2007 12:13 PM
Subject: Re: IML: '60 Imperial Dome Light stays on


> ----- Original Message ----- 
> From: "Joe Strickland" <jwstrick426@xxxxxxxxxxxxxx>
> To: "Imperial Mail List" <mailing-list@xxxxxxxxxxxxxxxx>
> Sent: Thursday, May 31, 2007 7:40 PM
> Subject: IML: '60 Imperial Dome Light stays on
>
>
> Hi Joe,
>
>
> Thanks for your answer, I found it very informative!
> But I have to point out that the interior dome light that is mounted to 
> the headliner is
> activated by the two swiches that are controlled by the two REAR doors.
> I have a four door hardtop you see?
> So the two switches of the front doors don't do anything when it comes to 
> switch the dome light on
> or off. Those two switches are controlling the map light.
>
> When I wiggle around with the wiring harness of the front passenger door, 
> it affected the dome light!
> I was able to get it out, but when I wiggled the wiring again the lite 
> came on again and stayed on until now (however to protect the battery from 
> running flat I have removed the bulb). So this weekend I will have a look 
> at the wiring of the front passenger door to see if a hot wire is grounded 
> as Paul Wentink suggested.
> Allthough I have no doubts about Pauls knowledge when it comes to car and 
> 1960 Imps in particular, it is very strange that everything in the rear 
> door is still working then. The windowmotor is running in both directions 
> and the power lock doorswitch is OK too, and that is not what one expects 
> if a hot wire is grounded..
> Looks like I have a puzzle on my hand this coming weekend!
>
> Robert
>
> > Robert;
> >
> > The most likely cause of the problem is the door switch associated with 
> > that passenger door.  The way the circuit works is that there is voltage 
> > always present at the lamp and lamp socket.  When a door is opened, the 
> > switch at the door grounds the lamp and causes it to light up.  These 
> > switches tend to get flaky with age and wear.  The two front door 
> > switches both receive more use that either of the rear doors.
> > In order for the dome lamp to come on due to another cause the wire 
> > strands  of the ground side wire of the lamp would have to be exposed and 
> > also touch another wire which would also have to have exposed wire 
> > strands.  I don't think it would be too likely that two wires would have 
> > exposed wire strands directly next to each other to provide a short 
> > circuit path.
> > The door switch grounding wire does not enter the door as part of any 
> > wires going to the window lifts or door locks.  The wire gets grounded by 
> > a switch when the door is opened.  The switch is mounted on the kickpanel 
> > part of the body or the center pillar area of the body which faces 
> > rearward toward the front face of the door being opened.  It appears as a 
> > small metal button or pin with a rounded head.    When the door is opened 
> > the switch pin pops rearward and the rounded head can be clearly seen. 
> > If you push the pin back in by hand it should cause the dome lamp to go 
> > off. If it doesn't the switch is defective unless there is a short 
> > somewhere in the kickpanel area or in the center pillar area if a rear 
> > door is involved.
> > I hope this helps.
> >
> > Joe Strickland
> >
> >
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