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  1. #1
    IrishGpr05's Avatar
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    Changing Plug Wires

    I got a new set of msd plug wires for my 2002 GPR and I have no idea how to get the wire out of the ignition coils. Any unput is great cause I am totally stumped.

    -Jon


  2. #2
    Chine Walker
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    This has also stumped me. It seems that once the collar is loosened the wire end is still well secured in the coil socket; do you just give it a good tug to remove it?

    j.p.

  3. #3
    you cant
    actually yes you can but is not easy i make a spesial tool to do these
    the wire is glue inside
    if you use a non resistor wire you will lose spark power so make sure you know way you do these

  4. #4
    Chine Walker
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    Let's see the tool. Why are the wires glued, what if you want to replace them?
    j.p.

  5. #5
    Moderator RX951's Avatar
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    did you do an OHM check with a volt ohm meter to verfiy they are bad ?

  6. #6
    IrishGpr05's Avatar
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    Well I didnt need to cause stupid me accidently sliced into two of them by mistake. haha oopppss


    So whats this special tool?

  7. #7
    My son (mohawk man) jeffsntx's Avatar
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    The wires are not glued in. I changed the wires on mine because I moved the electrical box back. Here is what I did.

    1. remove the back cover from the electrical box.
    2. remove the nuts that secure the plug wires into the front of the electrical box.
    3. pull the plug wires out of the coils. (they are just pressed in simular to an automotive application)
    4. remove the boot on the coil end of the plug wire.
    5. pull the plug wire out of the electrical box
    6. you will have to reuse the terminal on the coil end of the plug wire. Carefully remove them from the plug wire using a small screwdriver.
    7. you will have to have the special spark plug terminal crimping tool to crimp the OE terminals on the plug wires that you will be using.

    Then you reverse the instructions to install the new wires. The NGK wires that I got from Carl at Island Racing were a little smaller than the OE wires so I put a zip tie around the wire on the inside of the plastic nut to keep me from pulling the wire out of the coil. Hope this helps.

  8. #8
    Chine Walker
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    Magnecor makes an 8.5 mm red ignition wire which would be comparable to the OEM wires. Standard 7 mm does have the thicker silicone jacket. Magnecor will sell the wire and you'll need to fabricate the ends. eBay has many vendors that sell crimping tools which contain the proper die for the crimp.
    Thanks Jeffsntx for the access info; I was wondering why the wires didn't come out after the collar was loosened.

    j.p.

  9. #9
    the more important isue resistor or non resistor wire ?
    i guess many of you think if you use a less resistor wire you will have a beter spark well these is totally the other way arround so make sure you use the resistor wire or resistor boots depending on the aplication

  10. #10
    My son (mohawk man) jeffsntx's Avatar
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    Quote Originally Posted by bill cosca View Post
    the more important isue resistor or non resistor wire ?
    i guess many of you think if you use a less resistor wire you will have a beter spark well these is totally the other way arround so make sure you use the resistor wire or resistor boots depending on the aplication

    You are correct. Some think that a plug wire is a plug wire. The NGK wires that I got from Carl are solid core with the resistor boot.

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