"ISD" Cool Energy 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 generate life shortening heat like others you'll find on the market.
Our design of using a plug, rather than the modulator attached directly to the bulb, prevents high levels of heat generated by the bulb transferring to the unit and shortening life expectancy.
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| Headlight Bulb Identification for Motorcycles
Consult your owners manual or your local motorcycle dealer for the bulb type in your motorcycle if you're unable to examine the bulb installation.
We've compiled some really good information
If your owners manual lists -
eg: 12V 60/55W - These are the wattage values and indicates an H4 bulb with two filaments. High beam is 60 watts and low is 55 watts.
(Some motorcycles use two H4 bulbs - see Kriss Conventional Dual H4 page for graphic example)
eg: 12V 51 + 60W These are the wattage values and indicates two separate H(x) bulbs. 51 watts and 60 watts. |
Please note:
A single headlight housing (lens) may contain more than one bulb. The easiest method of determination is a simple visual inspection looking at the headlight.
You can also look at the bulb when it's lit, using dark shaded glasses, to determine the number of filaments when changing from low to high beam.
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H4 type High/Low beam bulb (H4, 9003/HB2)
- identified by 3 spades (has two filaments - high & low)
 - These applications -
7 inch headlights- use the Kriss Conventional Single H4 (#H44001)
5 3/4" inch headlights - use the Kriss Single H4 Short (#H44001S) or (H45883)
Harley-Davidson - use the Kriss Harley Single H4 (#H45003) or (H45883)
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Some motorcycles have a dual installation (two headlights) using two of these bulbs. - use the Kriss Dual H4 (#H44002) |
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Sealed Beam (H4 type) - Identified by 3 spades (has two filaments - high & low)
- These applications -
7 inch headlights- use the Kriss Conventional Single H4 (#H44001)
5 3/4" inch headlights - use the Kriss Single H4 Short (#H44001S) or (H45883)
Harley-Davidson - use the Kriss Harley Single H4 (#H45003) or (H45883) |
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Halogen H5 type High/Low beam bulb (HB5, 9007) Operates like an H4 bulb.
- Identified by 3 special spades (has two filaments) (sometimes with a pigtail converting to H4 type of standard spades)
- Use -
Kriss Conventional Single H4 (#H44001)
Harley-Davidson - use the Kriss Harley Single H4 (#H45003) or (H45883) |
Without pigtail conversion for spades use Kriss Single H7 (#H75001) |
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Halogen H9 type - identified by 3 special spades
(has two filaments - high & low)
- use -
Kriss Single H7 (#H75001)
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Some motorcycles have a dual installation (two headlights) using two of these bulbs. - use - Kriss Fat Bob (#H45008) |
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H(X) type bulb ( H7, etc.). - Identified by 2 spades (has a single filament)
These bulbs are used separately for high beam or low beam. |
Two bulb installations use one bulb for low and one for high. - use the Kriss Single H7 (#H75001)
Four bulb installations use two bulbs for low and two for high). - use the Kriss Dual H7 (#H75002) |
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H(X) type bulb ( HB3, H11, 9004, 9005, etc.).
- Identified by special 2 spade socket (has a single filament)
These bulbs are used separately for high beam or low beam. |
Two bulb installations use one bulb for low and one for high. - use the Kriss Single H7 (#H75001)
Four bulb installations use two bulbs for low and two for high). - use the Kriss Dual H7 (#H75002) |
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H(x type bulb ( H1, etc.). - Identified by single spade, ground by case or Ground wire.
(has a single filament)
These bulbs are used separately for high beam or low beam.
- use -
Kriss Single H7 (#H75001) |
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