Lighting fuse
SOURCE: 2004 FLHRI ROAD KING BRAKE LIGHT IS STUCK ON.
Hello,
There is 2 switches on your bike (like most motorcycles) and one of them is stuck on, broken, or the linkage to it is damaged!
The Front switch is actually part of the master cylinder /lever, and the rear switch is actuated when the right side brake pedal is depressed.
You will need to take a multimeter and check them both for a short with no power on using an ohmmeter. Another way is to disconnect the plug going to the switches & check the brake lite to see if it goes off & if it does that particular switch is in trouble and may need to be replaced.
SOURCE: 2002 harley davidson road king
Are you getting 12v to the headlamp fuse? If so, are you getting 12v to the hi-low beam selector? If so, are you getting 12v to the headlamp socket? If yes to all of those questions you have a bad ground somewhere in the circuit. Turn on the key. Use your voltmeter to check continuity from the ground side of the circuit (the three points you just tested the voltage on) to the frame of the bike. If your headlight comes on, you have found the part of the circuit that does not have a good ground. Check that part of the circuit for a broken or loose connection.
SOURCE: what size spark plug for a 2000 harley davidson road king carbed,
Your Twin Cam plug should be a 6R 12 Harley Plug. Often times the back fire is just the nature of the beast depending on what type of pipes you are running. Harleys do run lean, its an EPA thing thtas why they choke them down from the factory. Since you have a carb you could have an intake leak around the Intake. Also Under the carb is an adjustment screw. Harley plugs it up so people don't play with it. You have to just drill out the plug this will set your air fuel. Whenever I take a carb off I drill out that plug. Heat your bike up operating temp and ear tune that screw. Only other way is with air fuel analizer or a dyno. good luck.also that backfire is caused by fuel hitting your exhaust when you let off just to let you know.
SOURCE: My 2000 road king fuel injection starts right up
this could be a couple of different things first thing is to make sure your fuel pump pressures up the system,turn on ignition and listen for your fuel pump to come on,second is to your ignition on and off at least two or three more times this will reset your idle air contol.(make sure you are not on the throttle when you shut the bike off) If this does not clear up the problem you could have a bad senser or loose connection. good luck
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SOURCE: Rear brake light not workiing
There are two brake light switches. One is in the right handlebar switch housing. This is front brake light switch and is a simple push button type switch actuated by the front brake lever.
The other switch is a pressure switch and it is located in a Tee usually somewhere under the bike near the rear of the transmission. Follow the metal tube coming out of the rear of the master cylinder. It will go back towards the rear brake. Somewhere in that line there will be a tee with the pressure switch in it. If you jumper across this switch, the brake light should work. If it does work when you do this but not work when you depress the rear brake signal, replace the rear brake light switch.
Good luck
Steve
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