Author Topic: Interior Lights Staying on , Will not turn off .  (Read 5252 times)

Online Bill Balkie 24172

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Interior Lights Staying on , Will not turn off .
« on: August 13, 2012, 07:44:13 PM »
Hello ,
 I noticed tonight when i was driving my car that  my interior lights were on and they would not turn off .  As soon as the car has battery power even with the ignition switch off the interior lights are always on . I have a feeling the problem might be  in the headlight switch . i also noticed my dash lights are bright  work fine , however the dimmer does not work any more . Has anyone else had this problem ? Could it be something other then the headlight switch ?

   Thanks,
        Bill
Bill Balkie
1957 Biarritz
2009 CTS

Offline The Tassie Devil(le)

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  • Name: Bruce Reynolds
Re: Interior Lights Staying on , Will not turn off .
« Reply #1 on: August 13, 2012, 07:59:18 PM »
Sounds a lot like the switch is bung.

The interior lights will come on when the headlight switch knob is rotated around to its' fullest extent, and as you say the dimmer isn't working, that could be part of the problem.

Bruce. >:D
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Online Bill Balkie 24172

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Re: Interior Lights Staying on , Will not turn off .
« Reply #2 on: August 13, 2012, 08:25:45 PM »
Bruce ,
  Everything worked yesterday , I always open my door just to see if i left the power on in the car and the interior lights would come on if i left the power on . It was a convenient way to see if i left the power on . Now they are always on and  rotating the headlight switch  does not turn them off . Just another thing for me to think about .

  Bill
Bill Balkie
1957 Biarritz
2009 CTS

Offline Glen

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Re: Interior Lights Staying on , Will not turn off .
« Reply #3 on: August 13, 2012, 11:24:33 PM »
Generally the interior lights have power to them all the time.  The lights are turned on by grounding the other side of the light.  So the place to start is looking at the door switches etc.  Also look for pinched wires and insulation worn through and touching the body. 


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Offline Quentin Hall

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Re: Interior Lights Staying on , Will not turn off .
« Reply #4 on: August 13, 2012, 11:31:37 PM »
Yes it does sound like a stuck or broken door switch. 

Offline S Passmore

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  • Steve Passmore
Re: Interior Lights Staying on , Will not turn off .
« Reply #5 on: August 14, 2012, 02:14:47 AM »
Ill second that, door switches with all the associated water around them are always the first to go. Take each one out in turn and disconnect the wire or hold them off the metal to see if your light gos out, as Glen said the lights have power all the time and are grounded to the body through these switches, chances are ones stuck in.
Steve Passmore

Online Bill Balkie 24172

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Re: Interior Lights Staying on , Will not turn off .
« Reply #6 on: August 14, 2012, 04:45:25 AM »
got up today 5:00 am , Before i went to work removed both door switches , naturally lost one wire in the body of the car . After about 5 minutes fished it back out . Gave each switch a shot of WD 40  set the switches back in the sockets and the lights are working fine . I really did not want to get involved with the light switch at this time . that involves removing the the dash pad again . I am just really happy they work now . so far this day started out OK .

 Thanks,
      Bill
Bill Balkie
1957 Biarritz
2009 CTS

Online Bill Balkie 24172

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Re: Interior Lights Staying on , Will not turn off .
« Reply #7 on: August 15, 2012, 06:11:14 PM »
Hello ,
  Today i am back to the same problem interior light on all the time . I removed both door switches and the wires are free standing  not touching anything and the interior lights stay on . Map light , seatlight , and the lights in the back . It is like i turned the headlight switch to the right to override the door switches . I have checked the door switches with a voltmeter and they are working fine . Thinking the problem might be in the headlight switch . Looks like the dash pad is coming off . Any other opinions on this .

  Bill
Bill Balkie
1957 Biarritz
2009 CTS

Offline David King (kz78hy)

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Re: Interior Lights Staying on , Will not turn off .
« Reply #8 on: August 16, 2012, 05:44:04 AM »
Bill,

The Brougham head lamp switch is accessed through the upper hinge pillar.  Not a fun job as getting the connectors off is almost impossible, but that was the plan on how to repair according to the repair manual.

David
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Online Bill Balkie 24172

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Re: Interior Lights Staying on , Will not turn off .
« Reply #9 on: August 16, 2012, 06:08:38 AM »
Hello David ,
    i think it might be easier to remove the padded  dash cap  . that exposes everything and you have easy access to the headlight switch . All indication that is my problem ,  things like this drive me nuts ,  but i have to get to the bottom of this problem .
those lights should not be on with the door switches removed from the car and the connecting wires hanging out in the open not touching anything if i understand it correctly .
  Bill
Bill Balkie
1957 Biarritz
2009 CTS

Offline Hankk17

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  • Name: Hank Kuczynski
Re: Interior Lights Staying on , Will not turn off .
« Reply #10 on: August 16, 2012, 09:20:01 AM »
Doubtful this is the issue but I know on my '76 that I blew a fuse for the radio/accessories and strangely enough THAT made the interior lights stay on perpetually.  once I replaced that fuse it was fine.

just a thought.
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Offline 76eldo

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Re: Interior Lights Staying on , Will not turn off .
« Reply #11 on: August 16, 2012, 10:12:05 AM »
Check all fuses, especially anything marked "body" fuse.

Brian
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Offline David King (kz78hy)

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Re: Interior Lights Staying on , Will not turn off .
« Reply #12 on: August 16, 2012, 08:34:35 PM »
Hello David ,
    i think it might be easier to remove the padded  dash cap  . that exposes everything and you have easy access to the headlight switch . All indication that is my problem ,  things like this drive me nuts ,  but i have to get to the bottom of this problem .
those lights should not be on with the door switches removed from the car and the connecting wires hanging out in the open not touching anything if i understand it correctly .
  Bill

Pulling out the gauge cluster would be easier than pulling the top pad in my opinion to gain access to that area for the switch.  No matter.  Hard work ahead and lots of opportunity to mess up something else.  AHH the joy of doing your own work. 

At least that knowledge is the drug that allows writing big checks later as you understand the effort to have someone else fix the problem correctly. 

I hope someday I get there :)

David
David King
CLC 22014  (life)
1958 Eldorado Brougham 615
1959 Eldorado Brougham 56
1964 Studebaker Commander
1966 Pontiac GTO convertible
CLCMRC benefactor 197

Director and Founder, Eldorado Brougham Chapter of the CLC
President, Motor City Region of the CLC

Rare Parts brand suspension parts Reseller

Offline Quentin Hall

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Re: Interior Lights Staying on , Will not turn off .
« Reply #13 on: August 16, 2012, 11:36:34 PM »
Yes , I second David, much easier to remove instrument cluster, (even just put it at 45 deg) so you can get  a hand in there with a test light. You need to remove the lower column cover and  remove the selector needle, and then just the four screws in the cluster. Put a towel over the column though as you'll have to jiggle and curse and cuss. 
 All I can think of is that you have shorted/ burned a wire through the big red active .
  Remember; to remove the headlight switch you need to pull lights on and then depress the little spring release button on the rear underside of the switch. Good luck mate. Q

Online Bill Balkie 24172

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Re: Interior Lights Staying on , Will not turn off .
« Reply #14 on: August 18, 2012, 07:29:26 PM »
Hello ,
    Quentin,  Hankk17,   76 Eldo,  And David , Took the car out today to a local cruise one mile from the house all the interior light came on . After about 3 hours trying to enjoy myself at the cruise all i could think about were those damn lights . Started the car and drove home with the interior lights on . I am ready to call a priest .  I stood there and just looked at the car , under the hood then just stared at the interior  and plotted my next step .   i removed the kick panel on the passenger side and in doing so i saw a spark and the interior light went out .  one has easy access to the ground wire inside the door jam with the kick panel out . This is what i found . The wire was attached to the door switch as it should be , but there was a second ground wire with the small hole in the end  just like the other ground wires  have .  it was coming from the back of the car  and just laying there .  I can not believe i found this wire so easily , it was like a needle in a haystack . I would ground the stray wire and the lights went on . Needless to say i taped the stray wire and everything works like it should . Where did this wire come from ? it appeared to be very old with a lot a dirt on it . I am now confident that the interior light problem is fixed and i feel very fortunate that it was so easy to find . How do you suppose that extra wire ended up there . There were no other wires that i could of connected  it to.  I am very , very Happy . Thanks to all who should some concern .

  Bill
Bill Balkie
1957 Biarritz
2009 CTS

Offline 76eldo

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Re: Interior Lights Staying on , Will not turn off .
« Reply #15 on: August 18, 2012, 09:20:17 PM »
The Eldorado Brougham is basically a custom built car.  From the Factory, but a custom build.  It's possible that they used that constant hot wire to power another courtesy light in the rear of the car.

Not that there is any comparison, but I have owned 3 different Hess & Eisenhardt Eldorado convertibles, and they all had slightly different wiring for the rear quarter windows and top.

You found and fixed the problem and that's great!

Brian
Brian Rachlin
Huntingdon Valley, Pa
CLC # 22443

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Currently own several Cadillacs
ranging from 1960 to 2007

Online Bill Balkie 24172

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Re: Interior Lights Staying on , Will not turn off .
« Reply #16 on: August 19, 2012, 07:11:13 AM »
Hello Brian,
    My Car is the Biarritz not the Brougham , But Who knows after 55 years . But it certainly looked like it was there for the life of the car . I wonder why it would have two ground wires for the one switch and only one hooked up .  The ground wires have a hole in the end of the terminal to slip into the door switch .  My car might of been plagued with this problem for all it's life .  It makes you feel good when you fix things like this . I call it bonding with your car .

  Bill
Bill Balkie
1957 Biarritz
2009 CTS

Offline Hankk17

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  • Name: Hank Kuczynski
Re: Interior Lights Staying on , Will not turn off .
« Reply #17 on: August 19, 2012, 05:47:05 PM »
woot!  glad you found it Bill!  I hate little things like this.  in my '76 CDV I've got a loose speaker in the front that whenever I go over a bump it rattles, which in turn makes the cone move and amplifies this static-y noise that sets my teeth on edge.  I *just* tore apart my dash and put it all back together last month to tighten everything up but missed this one little thing.  I'm taking it all apart again this coming weekend.

so in short, I completely understand   ;D

-Hank
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