[HumbleNewRider]

I know this is an old topic, but I want to share info for anyone searching on this topic. I just recently bought the Comagination's head and brake light modulators. I bought them before checking the forum, and before seeing see that they might have a short life. However, they are relatively cheap. Buy, as the saying goes --- you get what you pay for (both in quality and customer service).

I'll add that I've been disappointed with the customer service and installation instructions. The instructions posted on the vendor's website had incorrect wiring directions, which contradicted the instructions that came with the modulators. And, the instructions repeatedly warn you that if the modulators are wired incorrectly, the warranty is void. (I contacted the vendor to clarify the wiring. They said they have now corrected the instructions.)

BUT, the instructions also specify that the "only recommended install method" is use 2 brake lights --- an LED brake light that is wired to flash and the factory brake light which should be left to work normally (solid lighting). HOWEVER, the wiring instructions only address two different methods. One is for wiring only the factory brake light to flash. (There is a diagram for that.) The second instruction is for wiring an LED light in parallel with the factory brake light so they both flash.

I wanted to follow their "only recommended install method," which they state is safer. I agree. So, wrote the vendor twice, trying to get instructions for their "only recommended install method." They would not provide any. :??:

I found that unbelievable! On top of that, the website boast the modulator is easy to install. But the vendor told me they are easy for an experienced technician to install. The vendor said I should take the modulator to a technician to install --- or return them within 30 days for a refund. They really didn't care if I bought them or not. :poke2:

I will add that the headlight modulator was pretty easy to install. (The modulator is bigger than it appears in the photos -- as you don't see a side view. It was a very tight fit in the GZ250's headlight.) Actually, the brake light modulator is relatively easy to install also, once you understand what to do to install it in the recommended method. Ultimately I called the vendor to ask for help. (I got the impression the vendor is just one guy w/ a part time business in his garage.) He was somewhat cold and indifferent, but he did help me understand how to install the brake light modulator. I suspect he's just socially challenged -- and/or he's got a lot of stress going on right now.

Ultimately, I got the help I needed and he was willing to issue a refund. But, I would not recommend the Comagination modulators either.