Product Information
Unit size 1.5" x 1.5" x .75" 
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| Installation is a simple matter of pulling the original plug from the back of the bulb then connecting it to the unit and inserting our plug in its place on the bulb. Our wires are 8 " in length to give you ease and flexibility. |
Free  If you need the crimp connectors
"ISD" Modulation"©  (Here's something you should read)
There's an important design feature that separates a Kriss modulator from others on the market. The program code for our microprocessor sets an "Instant Step Down" (ISD) method of controlling the current flow to the bulb. Our circuit design creates a more crisp and brighter modulation because it doesn't waste current with a heat generating delay like those that slowly throttle down the current flow. It's a characteristic of a mosfet (the switching transistor) to get hot when changing state slowly so we put in the additional engineering to make it work fast. When the filament is at peak temperature our "ISD" sets the bottom level with lighting speed allowing the filament to cool naturally according to the design and material of the filament used in the bulb. An obvious benefit is that the filament is not going to be stressed by operating outside it's metallurgical limits. Our modulators last longer because they run cold and don't create life shortening heat like the others you'll find on the market.
Kriss "Easy TouchWire Programming" © gives you the flexibility to change from our shade delay to instant response to any light changes.
 "Kriss Shade Delay"© is designed into the
operating code so the modulation is not interrupted
during those brief moments when you pass quickly under
an overpass or behind a shaded area like a large tree. Our delay
to light changes is an actual time delay and not an afterthought in an
effort to copy the Kriss design by adjusting the light sensor to compensate for the
changes. Adjusting the light sensor simply disrupts the effectiveness of the normal shut off and turn on times established by the d.o.t. regulations.
Meets d.o.t. regulations so it's legal in the United States and Canada.
Easy plug in unit. Doesn't require that you cut the wires on your motorcycle.
Light detector automatically turns the modulator off at night. It's not legal to operate, even momentarily, at night and we strictly follow the d.o.t. requirements.
No drilling holes in headlight or fairing to install the light detector.
This has been an original feature of Kriss modulators since 1992.
Here's why we feel it's not good to drill a hole in your headlight housing
to install a light detector. In an effort to be fancy others out there use a sensor
that's built into a small metal bezel that's installed in a hole with a fastening nut.
This requires drilling a hole. We were the first out with modulators in the early 90's
and realized early on that drilling a hole in a chrome headlight housing or other surface
violates the integrity of the metal and plating setting it up for inter granular corrosion caused
by humidity and seen by the subsequent separation of the plating which migrates out from the hole.
This is often referred to as blistering of the chrome plating. If you look at the picture on our web page you
will see that our detector is mounted at the front of the bike and attached to a brake hose or whatever suits your fancy with a tie wrap or velcro.
Modulates the high beam. Just like all of our modulators it's easy to turn off during the day when it's operating, simply select the other beam or it can be installed so it may be completely turned off.
The Kriss Headlight Modulator will not reduce the life of you headlight bulb.
Fits all Harley models using an H4 type bulb with a three prong plug.
(Vrod uses H7 type)
The latest in miniaturization offers a small, totally solid state, rugged unit that fits easily most motorcycles. It's only 1.5" x 1.5" x 3/4".
 Heavy Duty upgrade is available for this modulator.
(select this $10.00 option when ordering )
(for bulbs exceeding 80w up to 110 watts total)
Still works with lower wattage bulbs.
Headlight modulators cannot be used on HID (High Intensity Discharge) bulbs.
View comparison table for our flashers and their different functions.
Modulation shown is a simulation.
Modulates 240/min. reqd. by d.o.t. (4 times per sec.)
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