Works great for me. I have mine set up so it flashes the spoiler light only right now. I plan to add the two unused lights on the trunk (they only operate as running lights from Honda) once I get the pins in to add a wire to the connector. For those of you having problems, make sure you read the max capacity on this. If your using regular bulbs and trying to power all the rear lights on the wing your likely overloading this past the 10 amp max. Pick which lights you want and use only them. The spoiler light is controlled by the green/red wire in the grey connector just in front of the relay box under the seat. It involves cutting a wire to run this in series with the lights but you can use connectors that will allow you to remove this and just plug the original wires back together if your state inspection rules prevent you from running this or if you ever feel like you may need to bypass this.

After seeing some complaints here, I am in a quandary as to why. I have written instructions if anyone would like them, which I made with PICTURES. I use just the trunk lights, as they are at eye level, and the best chance of getting noticed. Installation would be 30 minutes if you did it for the second time, and 2 hours for the first (assuming you are reading as you are doing the installation) I have had mine installed for several years and 20,000 miles with no issues. Email me through this forum, and include a direct email to you in the text as this BBS will not allow me to add an attachment. Happy Riding

So far so good. It's a must have for safety.

Worked great for about a year. Then it quit and wouldn't even light my brake lights when I hit the brakes. Sent it to Manufacturer and they sent it back saying they tested it and it worked fine. I reinstalled it with same results. Does not work. No further help available from manufacturer. I won't buy another one of thiers, but I might buy another brand. The effect is great for safety (as long as it works.)

I had this installed on my GL1800. Works great by getting others attention. Wish the Flashes were just a little bit faster. But still, it does the trick!

Just had dealer install Backoff XP. Unit only flashes. Will not finish the cycle with the constant on. Tried both modes. The repeat and one time only cycle. Will flash only with no constant on in either mode.

Called the manufacturer. Seems the GL1800 draws 11 amps with all brake lights. XP unit has a built in failsafe cut off switch at 10 amps. It would be hardware upgrade to fix the unit. Then Why sell to Goldwing owners?

The original Back Off will work up to 15 amps but has no failsafe. It could get too hot if you run too much amperage through it.

They gave me 2 options.

1. Upgrade to LED taillights. They do not pull as many amps and the unit will cycle as it should.

2. Run to the upper brake lights only. The bottom lights will light up when brake applied but only the top/trunk lights will run through the flash/constant on cycle using the once only mode or the repeat mode. Should still be sufficient to be seen. The unit needs to be mounted in the trunk for this.

My option 3 was to just take it back for a refund. Still thinking on that.

Not sure if its working or not. Wiring problem and I've tried everything. Considered call their tech help. A friend installed this on his and other's bikes. I'll have him take a look before I consider it defective. I know it looks great when working but not there yet so the 4 rating.

Installation was fairly simple . adds lots of flash to the back of the bike.

was easy to install but not working properly ( defective )got to pay for an extra shipping

After reading the other reviews, I just had my dealer install it. Works great, really gets your attention when I brake. I imagine it drives the people behind me nuts in stop-n-go traffic.