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Chaos
08-28-2003, 10:46 PM
Hey, just installed a 6al and blaster 2 on my 89 corolla gt-s. wouldnt start without the tach adapter, which i didnt have, so i wired my original coil back in and ran a jumper wire from the coil secondary to ground. started right up and my tach even works. im hoping this will work untill the adapter gets in, lol. I ordered 8910, hope thats what i need.
Cool forum by the way.

msdtech2
08-29-2003, 11:18 AM
I don't understand how you have it wired into the system, could you please describe in detail how this is wired in. Although the adapter that is recommended would be the PN 8910EIS, this is designed for the Toyota applications.
Thanks,
msdtech2

Chaos
08-29-2003, 06:06 PM
i basically left my original coil plugged in and put a wire partially into the tower and the other end to ground, thus the coil still fires, just doesnt go to the distributor. The msd orange and black wires are ran to the blaster 2, and the red and white msd wires are just tapped into the coil + and - wires, which are still connected to the original coil. In short, by leaving the coil plugged up and firing, the voltage signal is still picked up for the efi system, including the tach. Pretty cool huh. I will have to cancel my order for the 8910 and order the 8910eis though, thanks for that.

msdtech1
08-30-2003, 12:48 AM
That's one way to do it. Your primary coil is providing the ecu with the needed kickback voltage so that the efi and tach operate properly. Basically that is what the tach adpater does, but it does not create an open air spark gap.

MSD Tech1

Chaos
08-30-2003, 08:38 AM
well i corrected my order, so ill have a "properly" working system shortly, just hope this one holds up till then.

msdtech1
08-30-2003, 10:51 PM
Ok

MSD Tech1

Chaos
09-05-2003, 09:20 PM
well finally got my 8910EIS installed, works great. My cheat was working good to, but a couple of days ago the tach started jumping around, still ran well though. when i removed my jumper wire that was connected to my original coil, it was very black and somewhat melted from the arcing, lol. so got my adapter just in time probably, lol.

msdtech1
09-07-2003, 02:01 AM
Thanks for the update and I am glad the MSD Adapter worked as planned.

Thanks,
MSD Tech1

Chaos
09-08-2003, 09:46 PM
Thank you, i really appreciate this forum.

msdtech1
09-08-2003, 11:36 PM
We appreciate all your support.

MSD Tech1