1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

MSD 6AL with 2 step

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Old Mar 8, 2026 | 09:50 PM
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MSD 6AL with 2 step

Hey I just installed my msd 6al with a 2 step pill, I know there are a bunch of forums but none that I can find on this particular issue. To start I own a 85 fb rx7 GS I have the MSD 6aL working but when I switch the 2 step the rpms completely run right passed the set 2 step limit (2k rpm) I have everything wired according to the instructions grey to the tach wire from the msd, red to 12v constant, black to solid ground, blue to switched 12v but not hooked in line with a clutch safety switch (I can't find one in my car and the car will start with the clutch in resting position) 2 step block led will turn on but will not by any means limit the rpm

If anyone knows about this issue i would love the assistance. Thank you
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