Just a stab at it, but what about the pick up from the EZL to the distributor. It is a green wire that runs from the ignition module to the reverse side of the distributor. Check that to see if the wire is shot. Just a thought..........

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1994 E500 (MY SUNDAY DRIVER)
1993 190E SPORTLINE LE W/ M104 SWAP
1997 C230
2002 ML320
2000 BMW 528I (WIFEY'S CAR)

"Excuses are crutches for the unfounded."