Question about 2000 Harley Davidson FLHR-FLHRI Road king

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I have a 2001 Roadking without the faring. I'm having trouble with my headlight. It will shut off and I cannot get it to turn back on. I cleaned the connectors inside the headlight nacelle and got the

I understand the low-beam is connected with the passing lamps. The high beam will not light when the others go out. I have changed the lightbulb in the headlight, opened the prongs on the headlight plug for a snugger fit and used WD-40 to clean all the connectors under the Nacelle. I plsyed with the wires trying to get the lights to flicker to find a broken wire but had no luck.

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Make sure you have a good ground

Posted on May 18, 2014

  • Bob Malito
    Bob Malito May 21, 2014

    Thanks. Something could have come loose. Much easier to check than invading the wire loom.


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This is likely the hi-lo switch on the left controls, but you should always start by checking your fuses. After that, if you can use a multi-meter, verify that you have 12vdc from the ignition switch into the hi-lo switch. It is easiest to remove the control from the handlebar, there are (2) torx head nut drivers you use that are part of the multi-screwdriver in the factory tool kit. If you have 12v in, check the out wires-you should have 12v out to the lo beam and passing lamps when in lo position and 12v to the hi beam when in the hi position. Report back what you fine and we'll follow up with additional guidance !

Posted on May 18, 2014

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Electrical problems are the worst, I would check the ground, also check the switch itself, Goodluck.

Posted on May 16, 2014

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Posted on Jan 02, 2017

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SOURCE: harley 1998 ultra wiring schematic

Sorry but I don't have a wiring diagram that I can send you but I may can offer a bit of help.

Your passing lamps are simply wired into a hot circuit somewhere. A lot of schematics don't show them because they are considered "add ons". They also may have a fuse inline with the "hot" wire. They have only one wire that connects them to the bike with the rest being inside the "light bar" itself. Find the wire coming out of the center of the "light bar" and trace it back to where it hooks up. Sorry but that's the best I can do on this one.

On your front brake light, there is a switch located inside your right hand switch housing where your throttle is located. It is a plunger type switch that is activated when you pull the front brake lever. A simple test of the switch is to loosen the bolts of the master cylinder and slide it towards the center of the handlebars. If the switch is good, the brake light will come on. If the switch is bad, it will not.

To get to the switch, you'll have to take the right hand switch housing apart. First, loosen the throttle cables at the adjusters and then remove the two bolts that hold the switch housing halves together. Carefully open up the switch housing. You will see the small switch in the front of the housing. You'll have to desolder the wires, replace the switch with a new one, and resolder the wires to the new switch.

Reassembly is the reverse of the disassembly. Make sure you slide the master cylinder all the way back against the switch housing or the brake light will stay on constantly. Readjust the throttle cables and check for proper operation. You don't want your throttle sticking.

Good Luck

Posted on Jun 15, 2010

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SOURCE: Tacho stopped

I believe the fuelpack uses the tach signal in its operation. For some reason yours is not passing this signal thru to the tachometer. I'd get in touch with the manufacturer. I'm not sure if there is some setting that can turn off/on the signal pass thru, or that your fuelpak is faulty.

Posted on Nov 20, 2008

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SOURCE: I have 2005 softail as

No, the TSM does not have this function in it. It controls nothing but the turn signals. Whoever wired the passing lights in used the wire for the high beam light as a power wire for the passing lights. This was probably done so that they would not overload the charging system. If you have the high beam light and the passing lights on, it's a tremendous draw on the charging system and it may have caused a fuse to blow. So, they probably wired the passing lights to operate without the high beam light. I think the wire is white for the high beam.

Good Luck

Posted on Apr 11, 2011

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SOURCE: I want to hook up

Under the seat front of the battery...4 wire plug 1 running lite wire, 1 brake lite wire, 1 ground ,1 power wire controlled by the acc s/w .... good luck ,,';;' Id like to ask if you would like to join our forum ..';';' ultrat...

Posted on Aug 12, 2011

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SOURCE: I have taken my headlight off on roadking ,my low beam is on but does not shine towards ground ,high beam works,should the low beam globe be on the bottom or top

Low beam should be on the bottom.

Posted on Nov 25, 2012

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