ACDelco spark plug wires
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  • 1 Post By vincentm
Cadillac Seville / Cadillac Eldorado Forum Discussion, ACDelco spark plug wires in Past Cadillac Vehicle Discussion; I have an original 1993 Eldorado with the 4.6 Northstar engine. It is that time for me to change my ...
  1. #1
    lgeorge is offline Cadillac Owners Member
    Automobile(s): 1993 eldorado
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    ACDelco spark plug wires

    I have an original 1993 Eldorado with the 4.6 Northstar engine. It is that time for me to change my original spark plug wires and plugs. It has 95k miles.
    My question: Where can I go to get the best deal for a set of spark plug wires? By the way, do they still sell the wires with the numbers printed on them?
    Thanks in anticipation for your information.
    George

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  3. #2
    vincentm's Avatar
    vincentm is offline Cadillac Owners Connoisseur
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    Rockauto.com get AC-Delco, nothing else.
    TMS likes this.

  4. #3
    consigliori's Avatar
    consigliori is offline Cadillac Owners Fanatic
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    Just out or curiosity, are the wires that are branded PACKARD the same ac delco wires?

  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: ACDelco spark plug wires

    Quote Originally Posted by lgeorge View Post
    By the way, do they still sell the wires with the numbers printed on them?
    I think those are from the factory only.

  6. #5
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    You can get them with or without numbers.

  7. #6
    lgeorge is offline Cadillac Owners Member
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    Re: ACDelco spark plug wires

    To all who responded to my question, thanks very much for the information.

  8. #7
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: ACDelco spark plug wires

    Use this to make sure your new plug wires are connected to the correct coil towers.

    You might want to remove the coils and ICM and clean all the contacts as well as the ICM ground cable terminals.

  9. #8
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
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    Re: ACDelco spark plug wires

    The wires installed from factory are Delphi and these are the wires with the cylinder numbers printed on. The AcDelco wires are way more expensive (almost double the price). Both can be found on Rockauto. I haven't check for your year (the wires are routed differently in the early NorthStars), but for my year the Delco wires are ~$65 while the AcDelco are ~$105.
    I checked around and so far Rockauto (the easiest choice) was the best price too (eBay and CarpartsKings were comparable but a bit more). Rockauto always has a 5% rebate (you can google for a code) so is a good ~$6 off the price.
    I assume you are located in US, plenty more options to you, I am a bit restricted to the sources that ship "internationally". Sometimes I am in a situation when a store from New York State (~100 miles away) will ship all the way to San Diego CA for ~$10 or less but will not ship 100 miles away to Toronto, or if it does is ~$30.
    In Canada with discount and all best price possible was $215 + 13% tax. From Rockauto after shipping and tax and 5% discount and currency exchange fees and all I end up paying $144 for the AcDelco wires. Is the second time in little over 180K when I am changing the wires, the original ones I changed around 7.5 years ago at ~75K.

  10. #9
    lgeorge is offline Cadillac Owners Member
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    Re: ACDelco spark plug wires

    Hello N*Caddy:
    That response was quite informative for me.
    Thanks
    George

  11. #10
    GeorgeJung is offline Cadillac Owners Member
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    Re: ACDelco spark plug wires

    Please note I mentioned the wires are routed differently in the early NorthStars. That only refers to the actual wire routing, the connections (diagram in post #7) is still valid. The routing only affects the length for cyl 2,4,6 and 8. But regardless you need to purchase the wire set specific to your year.

    ***********************************
    Post by N*Caddy

  12. #11
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
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    Re: ACDelco spark plug wires

    Sorry the above was posted by me. For some reason I am fighting with the cookies on this laptop ever since our fellow member GeorgeJung used it to log in to his account. I will pay more attention next time make sure I am under my account.

    The spark plug wire set was delivered today.
    Here is how it looks:



    The wires come with a small package of dielectric grease plus grease is already applied to the terminals in the same time.
    These are the most expensive set you can get, again there is the second line AcDelco set and the Delphi version for up to 40% less.

  13. #12
    lgeorge is offline Cadillac Owners Member
    Automobile(s): 1993 eldorado
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    Re: ACDelco spark plug wires

    I ordered the spark plug and spark plug wire from RockAuto today. It was $118 for product and shipment.
    Thanks

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