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LS3/LS6 Coils

This is a discussion on LS3/LS6 Coils within the External Engine forums, part of the LSx Technical Help Section category; Will LS3/6 coils work with LS1 harnesses? Will they physically hook up to LS1 harness?...

  1. #1
    Member planemech2's Avatar
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    2000 Camaro SS Vert #5301

    Question LS3/LS6 Coils

    Will LS3/6 coils work with LS1 harnesses? Will they physically hook up to LS1 harness?
    2000 SS vert, #5301, triple black, A4, leather, 3.23,SLP lid & D/D, STB, chrome 5 spokes
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  2. #2
    Member flybird's Avatar
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    Mid Night Blue
    1999 Firebird 3.8 series

    Ask a ls3 guy on this site to take pics of it. I noticed you posted this tuesday.. Not sure if any1 knows.

  3. #3
    Member flybird's Avatar
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    Mid Night Blue
    1999 Firebird 3.8 series

    Okay I take that back, yes you can use the same harness and use ls3 coil pack! Got info by lookin it up.

  4. #4
    TheBigONE
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    2001 Formula

    No you can not use the same harness. All LS based coil harness have the same connector that goes into the wiring harness, but the pin output to the coils is different. If you get LS3 coils you will need the new harness(S) to go with them. also the bolt spacing on the coils themselves is different, so they wont bolt to LS1 valve covers

  5. #5
    Member flybird's Avatar
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    Mid Night Blue
    1999 Firebird 3.8 series

    ^^ true.

    I didnt read everything on the ls1tech forum.

    My bad..

  6. #6
    Member planemech2's Avatar
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    Thanks for the replies. I can't afford new coils and harnesses anyway, so I'm changing plans.

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