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Use an ohmeter to test tesistance where the plug wires connect to the coil-it should read 12,000. now for the the primaray side where the signal wires connect to the coil should be 2-3 ohms.
ignition module on what?
Answer testing ignition modulenot all part stores have the ability to test ignition modules,a sure sign would be discoloration of the module or if the outside of the module has a softness to it if neither is apparent you could go to advance auto stores and they do have a peice of equipment to test your module, I used to work at a advance auto parts store
The starting price for the 2013 Harley-Davidson Heritage Softail Classic is $17,599. This price is for the vivid black color only. One can go to the manufacturer's website to search for dealers near them or to arrange a test ride with a local dealer.
Best advice is to get the Harley Shop Manual for your particular year Sportster. They have a 3 page diagnostic chart in mine for 1998. Follow through the test procedures outlined to tell if the ignition module or a related part is bad. You may need to make a special wiring harness test cable to be able to check certain voltages while the module is connected.
Remove it and bring it to a NAPA store. They will test it free.
Take it to AutoZone, and they can test it
start the engine if it runs its good
I take mine to Autozone, they offer free testing of ignition modules.
take it off and take it to autozone they will check/test it for free
Many autopart stores have a machine to test it. The machines use a universal adapter to hook into the ignition control module. The ignition control module is in the distributor. If you mean the part that contains the ignition coil, when mine went bad I probed it with an ohmeter and then asked the parts store if I could test the resistances in a new coil before I bought it. Since the resistances of certain terminals weren't even close, I knew I had a bad coil.
The main parts to the ignition electrics are , engine harness, ignition module, coil. Some problems with twincam spark loss can be traced to crank position sensor faults. ignition module dead, coil dead, or loss of power to the coil . Starting at the coil using a test light from earth, turn on the ignition and check the pins in the 3 wires to the coil, (twincam has 3, single fire, most Evos OEM is 2 wire Dual fire) 1 is power from ignition, the others are trigger wires to the module which opens and closes the connection, If there is no power, then supply from the ignition wires in the harness has been interrupted, usually GREY from the fuse (check Fuse) to the handle bar harness on/off start buttons. White/black to the coil/module. later bike have a color change, get a manual if you can if there is power then crank over the engine to check with the test light that the return wires to the module are turning on and off, If this is happening and there is no spark at the coil then a good chance that your coil is stuffed, If there is no on off of the test light then the crank position sensor should be replaced as a first action to eliminate it from the list. ( these can still work and be faulty at the same time) The next test is to borrow a same year module from a buddy then plug and play to see if that works. If you have not found the problem by now or you do not understand this explanation then you should not be playing with your Harley, please consult a trained Harley tech. good luck. COOP. SPEED DEMON CYCLES