Electrical equipment and instruments of motorcycle Harley V-Rod VRSCA (2002-2006)

Electrical equipment specifications
Table 8-1. Ignition system specifications IGNITIONDATAIdle speed1200±50 rpmSpark plug size12 mmSpark plug gap0.035 in.0.89 mmSpark plug typeHarley-Davidson No.10R12A (no substitute)Ignition coil primary resistance0.41±0.04 ohmsIgnition coil...

Bulb requirements
See Table 8-4. This table gives the location and bulb requirements for Harley-Davidson VRSCA motorcycles. Note. All VFISCA speedometers, tachometers indicator lamps and odometers are illuminated with LEDs. Note. LEDs are non-repairable. The entire...

Relay and fuse block
General The relay/fuse block assembly consists of two relay/fuse blocks and is located under the airbox cover, next to the radiator cap. All relays and fuses (with the exception of the main battery fuse - see 8.5 Maxi-fuse) are contained in these...

Crank position sensor: CKP — removal and installation
General See Figure 8-4. The Crank Position Sensor (CKP) (1) is a variable reluctance (VR) sensor that generates an AC signal by sensing the passing of the 22 teeth (2) machined in the left side flywheel (3).Two consecutive teeth are missing in the...

Maxi-fuse — replacement
The VRSCA has a main battery fuse to protect the motorcycle wiring. This 40-amp maxi-fuse provides main battery power to the motorcycle. It is located in a rubber-coated fuse holder behind the motorcycle's right front side cover. 1. See Figure 8-6....

Ignition and light switch
General The VRSCA model ignition/light switch is non-repairable. If damaged, it must be replaced. The replacement ignition/light switch includes a fork lock, plunger and keys. The ignition/ light switch and fork lock should be replaced at the same...

Headlamp — general info
The headlamp contains separate high and low-beam headlamp bulbs. Each bulb is a replaceable high output quartz halogen bulb type. Caution! When replacement is required, use only the specified headlamp bulb, available from your Harley-Davidson...

Headlamp bulb — removal and installation
Removal Note. It is not necessary to disassemble the headlamp assembly in order to replace headlamp bulbs. 1. See Figure 8-23. To replace the low beam (5) or high beam (7) headlamp bulb, reach behind the headlamp bucket (4) and grasp the appropriate...

Headlamp lens — removal and installation
Removal Warning! The headlamp bulb contains Halogen gas under pressure. Handle the bulb carefully and wear eye protection. Failure to do so could result in death or serious injury. 1. Remove both headlamp bulbs. 2. See Figure 8-23. Remove fasteners...

Tail lamp — removal and installation
Removal 1. See Figure 8-24. Insert a small screwdriver into middle hole of license plate light cover. Push forward with screwdriver to release tail lamp housing retaining clip. Figure 8-24. Releasing tail lamp retaining clip 2. Lift rear of tail...

Turn signals and running lights
Bulb replacement 1. Locate notch on edge of front or rear turn signal lens cap. 2. Insert coin in notch. Carefully twist coin until lens pops out of turn signal housing. 3. Replace bulb. a. Push bulb in and turn counterclockwise. b. Pull bulb from...

Turn signal security module: TSSM — removal and installation
General The Turn Signal Security Module (TSSM) is located beneath the passenger seat, mounted in a bracket on the rear fender. Removal 1. Verify security lamp is not blinking (vehicle is disarmed). 2. Remove maxi-fuse. See 8.5 Maxi-fuse. 3. Unlock...

Instrument cluster — removal and installation
General The instrument cluster contains the speedometer, tachometer, fuel gauge and indicator lamps. It is a sealed unit. If any of the instruments or indicator lamps becomes defective, the entire instrument cluster must be replaced. Removal 1....

Vehicle speed sensor: VSS — removal and installation
General The Vehicle Speed Sensor (VSS) is a hall effect sensor that takes readings off a drive gear in the transmission. The VSS is located behind the rear cylinder on the back of the engine case, below the cam chain tension adjuster. Removal 1....

Neutral switch — removal and installation
General The neutral switch is located on the bottom of the engine case near the rear of the engine. The two-terminal switch is normally closed. When the transmission is in NEUTRAL and the ignition switch is in the IGN position, the neutral switch...

Oil pressure switch — removal and installation
General The oil pressure switch monitors oil pressure in the crankcase. If the oil pressure drops below 13.8-34.5 kPa (2-5 psi), the oil pressure switch is tripped and illuminates the low oil pressure indicator light. The oil pressure switch is...

Stop light switch — removal and installation
General The stop light switch monitors brake fluid pressure in the rear brake line. When the vehicle operator steps on the rear brake pedal and pressure in the brake line reaches a preset level, the stop light switch is tripped and illuminates the...

Horn — removal and installation
Inspection The horn is located on the left side of the motorcycle, mounted under the top frame rail, between the engine cylinder heads. If the horn fails to sound or does not sound satisfactorily, check for loose, frayed or damaged horn terminal...

Cooling fans — removal and installation
General The cooling fans are mounted one above the other, behind the radiator. The cooling fans are controlled electronically and are turned on and off as necessary to maintain an acceptable coolant temperature range. Removal 1. Remove maxi-fuse....