Cigarette lighter help - 1997 STS
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Cigarette lighter help - 1997 STS in Past Cadillac Vehicle Discussion; OK so I checked the fuses and there all good. Is there something else other than the fuses that control ...
  1. #1
    MSGTRecon is offline Cadillac Owners Member
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    Cigarette lighter help - 1997 STS

    OK so I checked the fuses and there all good. Is there something else other than the fuses that control them

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    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: cigarette lighter help

    What's wrong ? If the sockets stay hot for 10 minutes, then go dead, that's RAP - Retained Accessory Power. Maybe - later cars have the feature - you can move the two lighter fuses over a notch in the fuse box. Then they stay hot at all times.

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    MSGTRecon is offline Cadillac Owners Member
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    Re: Cigarette lighter help - 1997 STS

    There. Showing no power at all

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    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Cigarette lighter help - 1997 STS

    Wait for N*Caddy - he has your car and diagrams.

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    MSGTRecon is offline Cadillac Owners Member
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    Re: Cigarette lighter help - 1997 STS

    Thanks will do

  7. #6
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
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    Re: Cigarette lighter help - 1997 STS

    Cigarette lighters are protected by 2 fuses:
    Central cigarette lighters (front and rear) are protected by CIG LTR 1 (20A fuse) and rear doors cigarette lighters are protected by the CIG LTR 2 (20 A fuse).
    Both these fuses are in the engine compartment (last 2 fuses in the top row on the left side of the car).
    The fuses are powered from the Inadvertent Power Relay.
    The relay control is grounded by the PZM and the positive voltage is protected by the Mirror 10A fuse (also in the same location as the CGR LTR fuses).
    On the power side the relay is protected by the INVERT 50A MaxiFuse (engine compartment under the big plastic cover with the fuse door on it).
    If your interior lights are not operational and the mirrors are then is something wrong with the relay or the MaxiFuse or PZM.
    If the Mirrors are not working (along with the cigarette lighters and the interior lights) then is the Mirror fuse.
    Obviously there is always the possibility of the wiring and connectors/sockets in between.
    Also you did not mention, all 4 CGR LTR are off or just the front one (or just the front and rear central)?
    If is just one of the lighters then is most likely the connector to that particular lighter.

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    MSGTRecon is offline Cadillac Owners Member
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    Re: Cigarette lighter help - 1997 STS

    all dont work, but heres the kicker interior lights arnt working but mirrors are

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    N*Caddy's Avatar
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    Re: Cigarette lighter help - 1997 STS

    It means you have an issue with the power circuit of the relay, OR the relay pins/socket are corroded.
    Some early '97 cars had a bad batch or socket contacts for the relays in the engine bay. I know so because a friend of mine had an early '97 car and he had al sorts of issues, I checked the relays and clearly the metal in the sockets was softer than on my car. Combined with corrosion it was not enough pressure to make contact with the relay pins.

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    MSGTRecon is offline Cadillac Owners Member
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    Re: Cigarette lighter help - 1997 STS

    OK so Wichita one is the relay for that

  11. #10
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    Quote Originally Posted by N*Caddy View Post
    It means you have an issue with the power circuit of the relay, OR the relay pins/socket are corroded.
    Some early '97 cars had a bad batch or socket contacts for the relays in the engine bay. I know so because a friend of mine had an early '97 car and he had al sorts of issues, I checked the relays and clearly the metal in the sockets was softer than on my car. Combined with corrosion it was not enough pressure to make contact with the relay pins.
    Which relays should i check, my cig lighters dont work either.

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    N*Caddy's Avatar
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    Re: Cigarette lighter help - 1997 STS

    The Inadvertent Power Relay is located just above the relay 6 relay cluster (the one with the HORN/DRL/HDLPS/FOG/HI-LO/ACCESS), is the ONLY relay that sits in an angle (everything else is mounted horizontally or vertically).
    The wires to this relay are known for breaking due to corrosion or careless removal/placement of the big plastic cover.

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    vincentm's Avatar
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    That was the culprit, wiggled the wires goin to that relay and they work now! Thank you N*Caddy!

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    bwv565 is offline Cadillac Owners Enthusiast
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    Re: Cigarette lighter help - 1997 STS

    Quote Originally Posted by MSGTRecon View Post
    There. Showing no power at all
    I know this thread is a year old, but I have the same issue as I posted in another thread. There is no power to either front or rear outlets (sockets) in my '03 STS. Could this be the cause of the issue in my car as well? Dealership said everytime you plug something into the outlet, the fuse shorts, so they didn't replace the fuses again.

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    Submariner409's Avatar
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    Re: Cigarette lighter help - 1997 STS

    Your underhood fuse/relay box is very different from the pre-2000 cars. Have we discussed the 2 cigarette lighter fuses there ? (Post #2 in this old thread) They are "two position" fuse sockets - in one pair of sockets the receptacles are controlled by RAP; in the other orientation they stay 'hot' at all times.

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    bwv565 is offline Cadillac Owners Enthusiast
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    Re: Cigarette lighter help - 1997 STS

    Submariner, I don't think we talked about this possibility, but I am going to ask someone if it could be part of (or the full) problem. I would really like to get them operational, particularly the rear outlet. Thanks for the suggestion.

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