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04 Deville cabin light problem
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r_2016
New User
Mar 16, 2011, 10:41 AM
Post #1 of 6
(1451 views)
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04 Deville cabin light problem
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Hi, I am having a problem with my cabin lights in my car. It started in Jan 2011, a month after I bought the car; it started by the lights would blow if you put on the right rear heated seat, the bottom element of the seat would also blow (very strange). The dealer said that it was a faulty temprature sensor in the seat and the seat would have to be replaced. I had them disconnect the seat and I have been driving it for a few weeks now with no problem with the lights. I went to check it this morning and I noticed that the lights would not come on. I am thinking maybe it could be a bad door switch, relay, or something else causing this issue. I know that it is not a dead short because they will work for awhile. Does anyone have any ideas? Thanks
Randy
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re-tired
Veteran
/ Moderator
Mar 16, 2011, 8:59 PM
Post #2 of 6
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Re: 04 Deville cabin light problem
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Im no caddy expert but i seem to remember that the interior lights do not come on during daylight.you can override with manual thumbwheel , i think . also check the lighter sockets for corrosion and objects in them (pennies). also try a google for caddy tsb 's.
LIFE'S SHORT GO FISH
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r_2016
New User
Mar 17, 2011, 4:36 PM
Post #3 of 6
(1431 views)
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Re: 04 Deville cabin light problem
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Thanks. Yes, you are correct; the lights only come on at night. However, I can't even put the lights on manually. I will check that, thank you. A funny thing happened last night though; I was online looking for a solution and I found someone that had I think it was a Pontiac that was having a similar problem; it turned out to be the lighted vanity mirror was shorting out. Now, the last two times this happened my girlfriend had the car and it turned out she was using the sun visor (I never use it). The next day that I have off I am going to check. Have you ever heard of the vanity mirror shorting out the fuse? Thanks
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zmame
Veteran
/ Moderator
Mar 17, 2011, 5:15 PM
Post #4 of 6
(1427 views)
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Re: 04 Deville cabin light problem
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yes it is common if you use it alot.. the problem is the 2 wires run through the hinge and the constant moving and opening and closing wears out the wires.. then can make contact to body ground. I don't know if that would be related to your issue or not since I don't have access to diagrams for your caddy.
(This post was edited by zmame on Mar 18, 2011, 4:30 AM)
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r_2016
New User
Mar 17, 2011, 6:43 PM
Post #5 of 6
(1413 views)
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Re: 04 Deville cabin light problem
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Ok, I am 99% sure that the vanity mirror lights are on the same circuit as the cabin lights. I would say that this is the problem then. We replaced the fuse about a month ago and they have been working fine until hours after putting the visor down I noticed that the lights were out again. I am going to take the visor down and check it out. Do you know if the vanity mirrors are plugged into the harness above the headliner; do the wires usually just pull down through the hole where the visor attaches to, if that’s the case I will just unplug the lights in the visor. Thanks
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 17, 2011, 6:58 PM
Post #6 of 6
(1410 views)
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Re: 04 Deville cabin light problem
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I had that happen on a Lincoln SUV once and the wires were shorted right where they passed through the hole in the windshield frame.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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