1953-1960 Classic Car Engines Troubleshooting Guide: Engine Won't Start Due to Open Primary Ignition Circuit

The text for this Guide originally appeared in the 23rd edition of Motor's Repair Manual, published in 1960 and copyrighted by Motor Information Systems, and is used with their permission.

Things to Look For:

1. Burned or oxidized ignition points.
2. Primary circuit resistance unit burnt or open (12-volt systems).
3. Ignition points not closing.
4. Breaker arm binding on pivot post, preventing closing of points.
5. Breaker arm spring weak or broken.
6. Breaker arm distorted or bent.
7. Dirty ignition points.
8. Primary lead connection loose at distributor or coil.
9. Primary windings in coil broken.
10. Open ignition switch circuit.

The Complete Guide to Troubleshooting 1953-1960 Era American Classic Car Engines