Aerospace Cycling

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Quick Answer: How To Test Harley Davidson Ignition Switch

How do you test a Harley ignition switch?

it’s a 3 wire connector . Test for voltage at the red wire , it should read battery volts . If there’s battery volts at the red wire then the switch isn’t working . If no volts then go back to the ignition relay and check for volts , work your way back from the switch .

How do I know if my motorcycle ignition switch is bad?

Turn the ignition key to the “On” position. If the meter shows a reading, the problem was a wire connection. The lack of a voltage reading or a reading substantially less than 12 volts indicates a faulty ignition switch.

How do you test an ignition switch?

Put the ignition key into the ignition switch and crank the engine. If the engine cranks, then your ignition switch is obviously working fine. If the engine does not crank, and you hear a “click” when you first turn the key to the “III” position, then your ignition switch is not the problem.

How do you reset the ignition switch on a Harley Davidson?

Harley Davidson Touring: How to Reset Your ECM Step 1 – Turn run switch on. Before you start the reset procedure, be sure your run/stop switch is turned on. Step 2 – Turn ignition on and off. With the run/stop switch on, turn the ignition on and then off three times. Step 3 – Turn run switch off.

How do you diagnose ignition problems?

Here’s How To Diagnose Your Ignition Issues Verify Lack of Spark. Check for Any Obvious Issues. Probe for Power. Double-Check Firing Order. Double-Check Initial Timing. Test/Inspect Spark Plugs. Test Spark Plug Wires. Check for Spark at Coil.

How do you check an ignition with a multimeter?

Turn the ignition key to the RUN position and measure the voltage using the multimeter. If your multimeter reads less than 90% of the battery’s voltage, it is an indication that you have a faulty ignition switch.

What are the signs of a bad ignition lock cylinder?

Usually a faulty ignition lock cylinder will produce a few symptoms that can alert the driver of a potential issue. Issues powering on the vehicle. One of the first symptoms of a potential ignition lock cylinder is issues powering the vehicle on. Car not starting. Issues inserting and removing the key.

How do I get my Harley out of limp mode?

Turn Ignition switch to OFF & Run/Stop switch is to Run. Push odometer reset button in & hold. Turn ignition switch to Ignition and release odometer reset button.

How do I know if my starter relay is bad on my Harley?

The most obvious warning sign that a problem with the starter relay exists is when the vehicle won’t start when you engage the ignition process. Starter stays on after engine started. Intermittent issues starting the vehicle. Clicking sound coming from the starter.

What is P&A fuse on Harley?

P&A stands for “parts and accessories”. Heated grips, heated seats, air ride seats etc. go on that circuit.

What happens when ignition switch goes bad?

If the ignition switch fails while the engine is operating it may cut off power to the ignition and fuel systems, which will cause the engine to stall. Depending on the exact issue, the vehicle may or may not be able to be restarted a short while later.

Is there a fuse for the ignition switch?

The ignition relay is one of the most important electronic relays found on modern vehicles. It is usually located in the fuse and relay panel beneath the bonnet, and is responsible for providing power to the vehicle’s ignition system, and some of the fuel system’s components.

Why is my ignition switch not working?

Worn ignition switch contacts, temperature problems, or broken springs can all cause the ignition switch to fail, preventing you from starting your car. On the road, poor ignition switch contacts could shut the engine off while driving, which could be dangerous.

How do you troubleshoot a motorcycle that won’t start?

What to Do When Your Motorcycle Won’t Start (But the Battery is Good) Confirm There’s Gas in the Tank. Engage the Clutch. Put the Motorcycle in (the Right) Gear. Look for Loose Wires. Confirm the Kill Switch is Off. Ensure the Fuel Valve is Set to “On” See if the Fuel Injection System is Functional.

Why won’t my motorcycle start when hot?

When electronics get hot they build up resistance then stop working. It might be a coil, stator, CDI unit or so on. First you must find out if the spark dies out. When it dies pull a plug wire off, stick a known good plug in the end and hold it close to the engine while someone cranks the engine over.

Why does my motorcycle crank but not start?

If your motorcycle turns over but wont start it, can mean there’s a good chance your problem is related to your bike’s ignition or fuel. Over time gas starts to break down and will no longer combust which can lead to situations where the motorcycle cranks but wont start.

How do you tell if it’s your starter or ignition switch?

Test the Starter It is under the hood, usually on the passenger side at the bottom of the motor next to the transmission. The ignition switch is a set of electrical contacts that activates the starter and usually is located on the steering column.

What happens if my ignition lock cylinder is bad?

A worn key or ignition lock may result in difficulty turning the key when it is inserted. The worn lock or key may cause the lock assembly to jam when the key is inserted, and may bind when attempting to turn the key. A worn cylinder or key may also cause the assembly to jam or stick when attempting to remove the key.

What is the difference between ignition switch and lock cylinder?

The ignition lock cylinder and ignition switch are not the same thing. The lock cylinder is the mechanical tumbler your key slides into; the switch is the electrical portion that sends power to the vehicle. On many cars, these are two separate components that can be repaired individually.