When trouble-shooting your MSD Ignition and you have a no spark situation make sure your distributor or crank trigger pickup is triggering the ignition. This handy chart will tell you if you pickup has gone bad. All you need is a meter to check the resistance between the pickup. If you using one of our own MSD distributors, it will have a magnetic pickup. If your using a crank trigger it will have a non-magnetic pickup. Use the following chart to find the correct resistance for your pickup thereby letting you know that your ignition is okay and the pickup is bad. Click here for the resistance values.