Connect a triming light to it and see if it fires
Pull the wire off the spark plug, pull the spark plug out, plug the spark plug back into the wire, then have someone turn the engine over. You should see a blue spark jumping around the very bottom of the spark plug.
Spark plug wire not connected to spark plug? Spark plug wire connected to Wrong spark plug? Vacuum line disconnected? Bad spark plug or wire?
you need a new distributor That can be one cause for this, could also be bad ignition coil, coil wire, or even spark plug wires. Test for spark at the coil, then coil wire, then the plug wire.
remove spark plug from engine leave the wire connected and try to start it id the spark plug sparks your good
Bad spark plug? Bad plug wire? Do a compression test
bad spark plug wire.
If you mean that the wire came out of the boot, then pull the boot off of the spark plug and use a spark plug socket to remove the spark plug.
On a carburetors motor pull the coil wire from the distributor cap (the plug wire in the center of the distributor). This is usually found between the air cleaner and the firewall. Remove the desired spark plug from the engine block, plug it into the coil wire and touch the spark plug body (the metal portion) to the engine block while cranking the engine. You will see spark if the plug is good.
take a test light. ground the test light to the battery then take the test light and move it around the suspect spark plug if the plug wire or spark plug are cracked or defect the spark will go to the test light and you will see the spark. if you don't see any spark its not broken.You can also use CheckSpark to quickly evaluate all your plugs and identify bad plugs and wires in seconds.
The rubber end on the spark plug wire.
take the number one plug out of the engine. plug the wire back on. place somewhere the plug will be grounded. have someone turn the engine over and see if there is spark.
Bad spark plug Bad spark plug wire Do compresssion test Bad valve Bad piston