How To Test Coil Wire With Multimeter. If you have an ohm meter you can check the primary and secondary resistance of the coil. Also due to the number of different coil variations available it makes it difficult for specific specifications.
Here we use a spark plug coil as an example. Coil packs were the norm of ignition systems for well over 2 decades. Using An LED Light To Test The Coil-On-Plug.
All you have to do is connect the minus coil to the battery connect a spark plug to one of the outputs and rest its base on a clean metal part.
If the coil is ok a spark will occur at the spark plug. Read the users manual. You can also use a multimeter to test resistance. Circuit Descriptions Of The C-O-P Ignition Coil Connector.
