MSD Install. Car starts but wont stay running [Archive] - Toyota MR2 Message Board

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So i finally installed a 6al digital box a msd 8920 tach adapter and a blaster 2 coil pack. I followed msd diagram heavy red to battery + Heavy black to battery - Orange to + msd coil Black to - msd coil Red (switched ignition +) to the old + wire on the old coil pack (just cut the wire and spliced it on) White which i also ran to the old - wire off the oil coil pack just cut n splice. Grey was the tach output which i ran to the tach adapter wire White The tach adapter i ran the red