Hi all as above iv removed the sparkrite ign from my mk2 mex and replaced with second hand lucas rally one consisting of dizzy. coil.module.wiring and instructions.removed my coil and replaced with new one and connected new wiring from module pos and neg.and used existing wiring from ign/starter but i have no spark at ht lead im thinking duf coil is there quick way to check if its working before i swap my old coil back on.iv double checked wiring as its not rocket science.cheers guys