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  1. C

    TACH ADAPTER, WHICH WIRE TO COIL HARNESS, HELP!!!!!!!

    I spent over one hour with a light and magnifying glass trying to find pin 26 on the coil harness, and I could not locate a number 26. Almost every other number but no 26. Anyone with any advice on hooking up a tach adapter on a 2004 Cobra. Thanks to all
  2. C

    TACH ADAPTER, WHICH WIRE TO COIL HARNESS, HELP!!!!!!!

    Thank you for trying to help me, didn't know the cap thing made a difference, but thanks for the tip. I am going to send the pin diagram you sent me to the tech dept. at MSD and ask them which wire, hopefully they will help. Thank you again, I have asked this questions on 2 forums and you...
  3. C

    TACH ADAPTER, WHICH WIRE TO COIL HARNESS, HELP!!!!!!!

    JUST INSTALLED A MSD TACH ADAPTER IN A 04 COBRA FOR A NEW TACH. WHICH WIRE DO I HOOK INTO THE COIL HARNESS TO GET THE RPM'S. I SEE ALL THE WIRES ARE NUMBERED BUT DO NOT KNOW WHICH THICK RED WIRE TO TAP INTO. THANKS TO ALL WHO HELP.:hail2: