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Plug wires on a 3.4 question

Discussion in '3rd Gen 4Runners (1996-2002)' started by MrT54, Jan 5, 2021.

  1. Jan 5, 2021 at 1:12 PM
    #1
    MrT54

    #1
    MrT54 [OP] New Member

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    I'm about to order wires and plugs; looked at the buyers guide and got numbers.

    Bosch 09444 or NGK 4412 or OEM
    $96 19037-62010 Toyota Genuine Spark Plug Cord Set
    19037-62010 (now using -62050).

    When I pull up the wire set it looks like there are three wires. do I need to order two sets? I get that the motor shares coil packs but this is new to me.
     
    MrT54, Jan 5, 2021
    #1
  2. Jan 5, 2021 at 3:32 PM
    #2
    SR5 Limited

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    SR5 Limited New Member

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    Sumitomo....
     
    SR5 Limited, Jan 5, 2021
    #2
  3. Jan 5, 2021 at 4:07 PM
    #3
    MrT54

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    MrT54 [OP] New Member

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    MrT54, Jan 5, 2021
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    negusm likes this.
  4. Jan 6, 2021 at 8:36 AM
    #4
    negusm

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    negusm New Member

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    Yeah. OEM or OEM supplier only for these. There is literally nothing better.

    The coil packs feed the plugs on the passenger side of the engine. The wires just go from each pack across to the driver side plugs.

    Coil packs rarely go bad and are easy to diagnose and change if they do...so I don't recommend replacing those as the OEM ones are expensive and the aftermarkets are garbage.

    Use Dielectric grease for all contacts too.
     
    negusm, Jan 6, 2021
    #4
  5. Jan 6, 2021 at 5:37 PM
    #5
    MrT54

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    MrT54 [OP] New Member

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    Thanks for the info. Ordered the sumitomo set and ngk plugs for next week.

    never seen a case where the coils are shared- That’s some trippy chit!
     
    MrT54, Jan 6, 2021
    #5
  6. Jan 6, 2021 at 5:49 PM
    #6
    SR5 Limited

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    SR5 Limited New Member

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    It’s ahead of its time....
     
    SR5 Limited, Jan 6, 2021
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  7. Jan 6, 2021 at 8:00 PM
    #7
    negusm

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    negusm New Member

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    Uhhh....most cars used to have a single coil only.

    You only need 1. But it's actually simpler if you add more.
     
    negusm, Jan 6, 2021
    #7
  8. Jan 11, 2021 at 7:05 AM
    #8
    MrT54

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    MrT54 [OP] New Member

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    I’m referring to this particular motor and coil setup, not all motors. But thanks for the history lesson.
     
    MrT54, Jan 11, 2021
    #8
    4scooter19 likes this.
  9. Jan 11, 2021 at 10:21 PM
    #9
    treyus30

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    treyus30 New Member

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    Sorry these guys convinced you to spend an extra $40. NGK 4412s work great. But ya, its coil on plug for 3 cylinders, then extension wires to the other 3.
     
    treyus30, Jan 11, 2021
    #9
  10. Jan 12, 2021 at 7:26 AM
    #10
    negusm

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    negusm New Member

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    No problem. Your post said you've never seen a shared coil and I was kind of shocked as that's how all cars started.
     
    negusm, Jan 12, 2021
    #10
  11. Jan 12, 2021 at 12:21 PM
    #11
    MrT54

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    MrT54 [OP] New Member

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    dedicated coil for each plug sure but this was new to me
     
    MrT54, Jan 12, 2021
    #11
  12. Jan 16, 2021 at 12:29 AM
    #12
    Ambush

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    Ambush New Member

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    Never used that brand before. Either NGK or Denso for my Japan made vehicles. They never failed me and the prices were right (rockauto.com).
     
    Ambush, Jan 16, 2021
    #12
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