No interior lights?
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Cadillac Seville / Cadillac Eldorado Forum Discussion, No interior lights? in Past Cadillac Vehicle Discussion; Just noticed today on my 97 STS no interior lights are working except the door little lights that are near ...
  1. #1
    Hotness is offline Cadillac Owners Fanatic
    Automobile(s): STS 1997
    Join Date
    Mar 2010
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    137

    No interior lights?

    Just noticed today on my 97 STS no interior lights are working except the door little lights that are near the window buttons.

    All the dash lights work, just the lights inside car when you open the door dont work, nor does the cigarette lighter work.

    Anyone have this problem before?

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  3. #2
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
    Automobile(s): 1997 Cadillac STS (BOSE w/AUX In, Massage Seats, URPAS, "Z")
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    Nov 2006
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    Toronto, Canada
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    Re: No interior lights?

    Check your interior lights fuse. Is located in the engine compartment fuse cluster (driver's side under the fuse door).

  4. #3
    Hotness is offline Cadillac Owners Fanatic
    Automobile(s): STS 1997
    Join Date
    Mar 2010
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    137

    Re: No interior lights?

    I checked fusses this morning one cigarette lighter fuse was blown, put new one in still dont work. Fuse is still good.
    I checked the 50 fuse underneath that cover was good. Checked the power block relay has 4 wires the orange one is broke. Corroded.

  5. #4
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
    Automobile(s): 1997 Cadillac STS (BOSE w/AUX In, Massage Seats, URPAS, "Z")
    Join Date
    Nov 2006
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    Toronto, Canada
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    Re: No interior lights?

    Can you post a picture with what you found (the "power block relay") I don't understand what you mean. Do you have power to the interior lights fuse?
    Underneath that cover on the top outer corner there is a fairly large relay mounted with the connections down. The wires connected to this relay are fairly thick (~12 AWG) but one wire is significantly thiner (~18 AWG). That is the wire that provides power to the interior lights fuse. Is that wire OK (should be double ferruled with the large wire underneath the relay terminals).

  6. #5
    Lunchbox7688's Avatar
    Lunchbox7688 is offline Cadillac Owners Member
    Automobile(s): 1999 Concours, 1998 ESC R.I.P.
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    Re: No interior lights?

    Hey I got a 98 eldorado that was having the same problem. I looked at that relay and the wires broke in my hand they were soo corroded! I fixed the problem and all the lights work again.

  7. #6
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
    Automobile(s): 1997 Cadillac STS (BOSE w/AUX In, Massage Seats, URPAS, "Z")
    Join Date
    Nov 2006
    Location
    Toronto, Canada
    Age
    35
    Posts
    6,374

    Re: No interior lights?

    You have a leak in there, water gets underneath the hood and run along the fender (on the strut tower) and flows down to the relays underneath the cover.

  8. #7
    dewhurstaj is offline Cadillac Owners Member
    Automobile(s): 2002 Eldorado ETC & 1997 Seville STS
    Join Date
    Jun 2009
    Location
    Kokomo, IN
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    93

    Re: No interior lights?

    My 97 STS has the same problem - no interior dome lights, no glove box light, and no trunk light. Heck, the air does not work either. I checked the fuse & relays look good. Is it necessary to remove the plastic shroud to gain access the wires that connect to the fuse box?

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