GM HEI Control Module Installation
For Replacing Duraspark, Chrysler or Foreign Ignition Systems


hei install diagram

The picture shows the correct hookup for any new ignition system. Just disable or remove the original ignition amplifier and ballast resistor. Several good brands of hei control modules exist, Wells DR100 for $15 and Standard LX101 are good choices to start with. Follow the diagram, as each car is different depending on the year it was built.





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