Question about 1994 Oldsmobile Cutlass Supreme

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Having an issue (since I got the car 10 years ago) with the car (not sure where the click sound is coming from) making a single clicking sound when turning the key to start the car. The car always starts but sometimes takes a couple turns (and clicks) of the key. Thought it was a sticky relay as I've replaced the starter/solenoid/battery and none fixed the problem. Was going to replace the relay last night, but could not locate an ignition/starter relay on the vehicle. Does this vehicle have one? Is there a circuit diagram for the ignition on this vehicle? Any other ideas of what can cause the clicking sound? I appreciate any help that can be provided. Thank you in advance. Dave

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  • 2 more comments 
  • d_mclinden Mar 22, 2011

    would it be possible to send the attachments to

  • d_mclinden Mar 22, 2011

    On my way home I'll have a new key made.
    I've done some research on the theft deterrent relay and there doesn't seem to be a standard location on 3.1L GM's. Is it possible to advise on the location of the theft deterrent relay as well as the type of relay? I could pick up a new relay when getting key made, 2 birds 1 stone, and could test both of those areas.

  • d_mclinden Mar 22, 2011

    Also, I can't see the diagrams. Would it be possible to send to

  • d_mclinden Mar 24, 2011

    I did get your email, thank you. Got the new key today...haven't tried it. I'm going to attempt installing a new relay. If that doesn't work I dont think I'm going to mess with the ignition barrel or the module itself...I'll just recycle the car. Not worth my trouble.
    I appreciate your help.



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Hello d Mclinden.

There are a couple of components between the ignition and the starter , one of which is a theft deterrent relay and the other the transmission range switch.
Have you tried to start in neutral or wiggle the shifter?
I'd be more suspicious of the theft deterrent though.
It also could be the tab on the key is sometimes not making contact in the ignition key barrel.
It needs to read the resistance value in the key. If the contact is bad it won't crank.
This will be tricky to solve as it is intermittent.
A good multimeter and a diagram of the system to check where the problem is when it is occurring will need to be done.
Here is a diagram, I hope it turns out large enough. If not, I can send a larger one to an Email address.

Thank you for using FixYa.

Posted on Mar 22, 2011

  • 4 more comments 
  • FUBAR Mar 22, 2011

    Here you are.

  • FUBAR Mar 22, 2011

    And another.

  • FUBAR Mar 22, 2011

    According to the manual the relay is below RH side of instrument panel.
    Often the loose connection is inside the barrel of the ignition cylinder. A new key may not help.
    I'll forward the diagrams to your Email.
    I'll also give you another option later. I'm busy at my shop right now.

  • FUBAR Mar 22, 2011

    Hi, sorry to put you off, busy morning.
    OK, here's your options.
    If you get a new key it will need to have the resistor in it that matches the antitheft module. Otherwise it won't start.
    Inside the barrel of the ignition there are two contacts that make contact with the resistor on your key.
    The module needs to see that resistance before it will allow the relay to engage.
    In one of the diagrams I sent you at the bottom you will see the key resistor in the circuit.
    An option for you is to find the two wires under the dash that lead to the module, cut them and install a resistor the same value as the one in your key.
    The downside is that it disables your antitheft and any key that turns the ignition will then work.
    You will need to use an accurate ohmmeter to measure the key resistance and match it at a radio repair shop or possibly at your local Radioshack.
    I keep a box full of resistors here for installing autostarts. They come in handy.

  • FUBAR Mar 23, 2011

    Did you get my E-mail?

  • FUBAR Mar 23, 2011

    I just noticed that you gave me two different e-mail addresses.
    Is it capital D or small d?



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