Why does the test light flash when I crank the engine?
Leave the test light or DMM connected and crank the engine for a few seconds. If the test light flashes or the DMM registers voltage, the problem is a faulty ignition coil.
How can I test the spark at the coil?
Using an Adjustable Ignition Spark Tester Test the ignition coil positive and negative side. Check for voltage output at the ignition coil. Disconnect the ignition coil wire from the distributor and install the spark tester to the wire and ground the tester to the engine. Crank the engine for a few seconds.
How can you tell if a Harley Davidson ignition coil is bad?
Harleys’ that run on a single-coil engine will make cranking sound, but there will be no spark from the cylinders. If your bike stalls while working, this is another sign that indicates there’s something wrong with the ignition coil. When some irregular sparks are sent to plugs from the coil, the issue occurs.
How to know if your engine has no spark?
First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay. 2 Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. 3 Finally, Have someone crank the engine and watch for spark.
Leave the test light or DMM connected and crank the engine for a few seconds. If the test light flashes or the DMM registers voltage, the problem is a faulty ignition coil.
Using an Adjustable Ignition Spark Tester Test the ignition coil positive and negative side. Check for voltage output at the ignition coil. Disconnect the ignition coil wire from the distributor and install the spark tester to the wire and ground the tester to the engine. Crank the engine for a few seconds.
First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay. 2 Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. 3 Finally, Have someone crank the engine and watch for spark.
What should I do if my engine cranks dont work?
If no power is detected, locate the cam/crank sensor (s) and test them for power; and for opening and closing as the engine cranks. To do a quick test for no fuel get a can of starting fluid or propane.