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IQ-275 Intelligent Spotlight Dimmer for Daylight Running Lights, Controller Only

  • $94.95 USD

IQ-275 Programmable Spotlight dimmer

(Note: The IQ-275 replaces the IQ-175. It is easier to install and supports higher power lamps. 

The IQ-275 Intelligent Lighting Controller allows you to quickly and conveniently set the brightness of your auxiliary LED or incandescent lights to match riding conditions.

Often auxiliary lights are too bright or have too wide a beam pattern to operate at full power during the day or under certain road conditions. With Skene Design's innovative intelligent lighting controller you can pre-program several different brightness settings and with the flick of a switch immediately select the desired brightness. There's no fumbling with a knob or a wireless remote trying to guess the best level.


The IQ-275 has been designed by a motorcyclist for motorcyclists. It allows you to quickly and safely select just the right brightness level for your auxiliary lights without having to look at a knob to turn or read a screen: you simply flick a 2 or 3 position switch or double tap a button.

It has two possible modes of operation depending upon the type of lights you have, driving or fog lights. In Driving Light mode, when your motorcycle's high beam is off and the controller will set the auxiliary lights to one of several user-programmed brightness settings depending upon the position of a brightness switch. When the motorcycle's high beam is activated, the controller overrides the switch setting and sends full power to the lamps. In Fog Light mode, the same brightness selection is used but when the high beam is activated the auxiliary lights are turned off.

Multiple brightness settings are available with the use of an optional, customer provided switch. If a two-position toggle switch is used, two brightness settings may be selected in addition to the high beam override. If a three-position center-off toggle switch is used, three brightness settings may be selected. Each of these settings is adjustable from off to full brightness in 10% steps, providing very flexible and convenient control over the lamps' brightness. You can even use a momentary-contact pushbutton switch to toggle back and forth between two brightness levels. (The turn signal cancel switch on the right handlebar on BMW's can be used for this purpose.) If no switch is used, the lamps will come on at a single, programmable brightness level when the high beam is off.

The controller has two identical channels, each of which can power a 144 watt/12 amp load. The two channels can be connected in parallel to power a combined load of 288 watts/24 amps. This is the recommended configuration if unequal loads are to be driven, as it will balance the loads over both channels.

The positive connection from the controller can be connected through a fuse directly to the vehicle's battery. No separate relay is required, as the controller performs this function. This simplifies wiring, eliminates extra components, and improves reliability compared to the traditional relay wiring harness.


Available with ALERT! feature

A unique ALERT! feature is available on the 275-A model. This allows you to rapidly modulate the brightness of the lamps attached to the controller when you really need to be noticed by traffic ahead.

When you need to maximize your visibility, just tap your high beam switch twice within one second, and the controller instantly responds with a brief, but highly conspicuous flashing sequence. No matter what brightness you have the lamps set to, even if they're off, they will immediately flash at maximum brightness in a very conspicuous sequence, like an over-caffeinated high-beam switch. The sequence takes less than two seconds, but you've just greatly improved your likelihood of being seen. Normal application of the high beam or a single tap will not trigger the ALERT! sequence, so it has no effect on your usual riding style. 

Note While the great majority of aftermarket LED lights can be used with the IQ-275, a few are designed such that they will not operate properly with a dimmer.

These include:


Note: The 2014+ BMW R1200GS with LED headlight option provides no access to the high beam wire, so the IQ-275 cannot be used with this vehicle. There are no issues with models using the normal headlight.


Rigid Industries

Rigid Industries D Series Lamps (D2 and Dually) and SR models. Models manufactured after 7/2013 are no longer able to support the IQ-175 or any other dimmer due to a design change. Other Rigid LEDs work with our controller.


KTM 990 Supermoto Auxiliary LED Light Kit, part number: 62014910033.


All Denali LED lamps are fully compatible. The dual-intensity DX and D2 models require slightly different wiring

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