Will a bad motorcycle battery cause no spark?
A weak battery will drop its voltage when using the starter motor. And, low system voltage will deny the coils of energy. You’ll certainly have weak spark, then.
What happens if there is no spark in the ignition coil?
Hence, without this high voltage, there is no spark and, consequently, internal combustion cannot take place within the engine. Simply put, the bottom line is without spark the engine doesn’t run.
Where is the spark plug on a Harley Davidson ignition coil?
The primary is the area on the Harley Davidson ignition coil where the wires from the motorcycle’s harness are connected. The secondary of the coil is the area/towers where the spark plug wires plug in. There are two types of coils used on most Harley-Davidsons. Dual fire and single fire. Dual fire coils send spark to both cylinders, all the time.
What causes a motorcycle to have no spark?
If it is determined that your motorcycle has no spark; do not just assume that the problem is your coil. There may be an underlying issue. You may have a dead short effecting voltage delivery to your coil. You may have a bad sensor, ECM or TSSM.
What should the ohms resistance be on a Harley Davidson ignition coil?
The specified ohms resistance for the primary of a 2000 carbureted Softail will not be the same as the primary of a 2005 Ultra. Therefore, it is important to use the correct electrical manual for your ride. When testing your Harley Davidson ignition coil you will be testing ohms resistance.
What to do if there is no spark at the ignition coil?
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. If there’s spark, the problem is with the distributor cap or rotor.
Why is there no spark at the coil axle?
If there’s no voltage, check the wire between the ignition switch and the coil and, if necessary, the switch itself. If there’s voltage, the problem may be with the pickup unit. If the pickup is good, then the problem may be with the ignition control module.
The primary is the area on the Harley Davidson ignition coil where the wires from the motorcycle’s harness are connected. The secondary of the coil is the area/towers where the spark plug wires plug in. There are two types of coils used on most Harley-Davidsons. Dual fire and single fire. Dual fire coils send spark to both cylinders, all the time.
Why is there no spark to my spark plugs?
There was no spark to the plugs. Was turning over real good. No spark. Good fuel. The service dept. told me that the coil hardly goes bad. It might be the crankshaft sensor. I replaced it and it started. Then a couple of days later it did the same thing, so spark.