Tip - Signs & Symptoms of a Bad Magnet Pick Up HEI Distributor | eHow

The high energy ignition (HEI) ignition system has been a vast improvement over the old standard cap, rotor and point ignition system used in the past. The HEI design incorporates the vacuum advance mechanism, the ignition coil and a permanent magnet assembly that has a pole lined with teeth and a pick-up coil. Only a few models have the external...