1973 Eldorado 500 V8 Dummy light help needed
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  • 1 Post By carnut
Cadillac Seville / Cadillac Eldorado Forum Discussion, 1973 Eldorado 500 V8 Dummy light help needed in Past Cadillac Vehicle Discussion; I have a 1973 Cadillac Eldorado with a 500 V8 front wheel drive and its been sitting for around 10 ...
  1. #1
    John Tapley is offline Cadillac Owners Member
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    1973 Eldorado 500 V8 Dummy light help needed

    I have a 1973 Cadillac Eldorado with a 500 V8 front wheel drive and its been sitting for around 10 years in a garage. I've gotten it to start and it runs now but the stop eng-oil and gen light stay on when the car is off. When the car is running, all the dummy lights are off. what are some of the possible causes? Any help is appriciated

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    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    Re: 1973 Eldorado 500 V8 Dummy light help needed

    Double post.

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    MoistCabbage's Avatar
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    Re: 1973 Eldorado 500 V8 Dummy light help needed



    Key on, engine off- no oil pressure and no alternator output. I believe the lights are working as intended. Unless you mean they stay on with the ignition in the "off" position.

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    John Tapley is offline Cadillac Owners Member
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    Re: 1973 Eldorado 500 V8 Dummy light help needed

    Ya the two lights stay on when the key is in the off position, however when the engine is running, the lights two lights turn off.

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    hardley-etc is offline Cadillac Owners Fanatic
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    Re: 1973 Eldorado 500 V8 Dummy light help needed

    switch is going bad
    do you have trouble turning it to the accessory position

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    Re: 1973 Eldorado 500 V8 Dummy light help needed

    Sounds like you need to lube the ignition switch.

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    carnut is online now Cadillac Owners Master
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    Re: 1973 Eldorado 500 V8 Dummy light help needed

    The STOP ENGINE OIL light will come on if the driver door is open. If it stays on with door closed, then I would suspect the pin switch at the door hinge area needs adjusted out or lubed or replaced.
    70eldo likes this.

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    Re: 1973 Eldorado 500 V8 Dummy light help needed

    Quote Originally Posted by carnut View Post
    The STOP ENGINE OIL light will come on if the driver door is open. If it stays on with door closed, then I would suspect the pin switch at the door hinge area needs adjusted out or lubed or replaced.
    I can't say my 73 did this, but it's been a couple of years since I owned it.

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    5ohMan is offline Cadillac Owners Member
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    Re: 1973 Eldorado 500 V8 Dummy light help needed

    Im having a similar concern with a '73 eldo in our shop right now..with drivers door open only, i get a STOP ENG-TEMP light on the dash, no key in IGN at all, just door open. goes out when door closed and, ONLY light that comes on is a WATER light as the car starts to warm up, any help with this one ???

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    carnut is online now Cadillac Owners Master
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    Re: 1973 Eldorado 500 V8 Dummy light help needed

    That is a NORMAL function of that era of Cadillac! Its the "bulb check" for that circuit.

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    Re: 1973 Eldorado 500 V8 Dummy light help needed

    I had a '73 Eldo and I do not remember those lights coming on when the door was opened with no key in the ignition.

    Disclaimer:
    It's been a loooong time and I have CRS.

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