Check Engine Light 2000 Harley Davidson FLHTCUI Electra Glide Ultra Classic

SOURCE: Engine light

O.k. I hope this goes out to all three askers with this problem. First I'm going to make a wild guess and say these are all injected systems, I'm right, wow, that amazing isn't it. This is going to be one of three things. 1- try loosening the gas cap, then starting. If this clears the light, then you will need to replace the cap, because it's not venting properly and creating a vacuum in the tank which inhibits the gas flow to the injection system. 2- Check the fuel filter, a clogged filter can cause the same thing. 3- the calibration for the injection system is off, and the system needs recalibrated. The calibration usually isn't off far enough to be able to tell a difference in the way it runs, possibly a slight mpg difference, but that's about it, and it won't cause any damage. So, if it;s the calibration, don't worry about it until it gets to a noticeable level, unless you just like to give your money to Harley. You can expect to spend about $100, as usual.

SOURCE: 1988 harley davidson soft tail FXSTC 1340 electrical problem

I had a similar problem, turned out to be the stator. Its easy to check with a meter and a manual

SOURCE: I have a 1984 Harley

coils can be tested dynamically with an oscilloscope which you probably do not have so your next best approach is a ohm meter. not knowing your coil will make it hard to suggest a reading but you can get the spec's from the manufacturer or web site. the primary side could be from one ohm to 3 to 5 typically, could be more depending on coil. you can also check the ohms on the secondary by probing the primary terminal and a secondary (plug wire hole) terminal. here you should have a few thousand ohms depending on coil. if you get no readings, then the coil is bad. by the way, if you are checking voltage as pyrhyc says, you will have 12 volts on both sides of the coil. why? most ignitions will open the ground side of the coil to make it fire because as the current is pulled down, the magnetic field will colapse inducing electrical current in the secondary thus firing the plug. one redneck check is to take a 12 volt battery and hook one wire to one primary terminal and drag the other wire across the other terminal (bike wires removed for test) and watch plugs, if you get fire, check module.

SOURCE: Electrical Problem 2002 Harley Davidson Roadking police mdl

I had the same problem with my 2003 ultra, after reading this technical support, I did some checking, and my local Harley dealer said that the old main circuit breaker needs to be changed from a 40amp breaker to a 50amp breaker. I was told that there was a factory recall, and at fisrt the breaker was changed with another 40amp breaker. it was then found out that it needed to be a 50amp breaker. I bought and installed my own breaker for around $8, but I was told they would change it for me for free, if I brought the bike in! Due to time restrictions, I chose to do it myself. So far so good. Hope it works for everyone!!!

Gar

• 384 Answers
• Posted on Jun 26, 2009

SOURCE: harley davidson evo motor wont turn over...just clicks

Pull the spark plugs out and hit the starter. This will make sure that the engine is not locked up. If the starter does not turn the engine, put the bike in first gear and have someone push you, making sure the engine is free. If the engine is OK, your starter is probably jammed and needs replaced. That wire getting hot is a dead giveaway something is locked up tight...starter or engine. If ya have a large hi-performance engine in the bike, chances are your stock starter won't do the job.