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Recently I purchased the BackOFF-XP brake light signal module from Signal Dymanics Inc. for increased conspicuity. Using an on-line wiring schematic, I tried to install the bugger, but have had no luck. I was wondering if anyone has done this and if so, does one wire into the two white wires with black stripes (W/Bs) going to the lamps? I feel like an idiot.:bom_hanged:
 

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I no longer have my schematic, But I remember that there are two modes that can be wired. This means you will not use all the wires. There are four wires and you only need three connected.
Two to connect in series with the wire that carries your brakelight signal and a ground

The Yellow wire = Flashes 4 times and staays on steady

and

The White/Striped wire = Flashes 4 times stays on for 3.5 seconds and repeats

These wires are what determines which mode you select

Find the wire that the brake signal is on and cut it,
connect the red wire from the modulator to the switch side of the brake signal.

Then connect the Yellow or White/Striped; (one or the other, not both) to the Brake Light side of the wire you previously cut.

Now connect the Black Wire to Ground.

Make sure all connections are secure and insulated.
Tape off the extra wire from the modulator and you in business.

I hope this helps.
 

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Thanks

Thanks for the quick reply and the great advice.

I finally completed the installation, but ended up grounding the module dirctly to the battery (a peice of old lamp cord did the trick). Weird, but it works prefectly.

Thanks again. Off to my next mod...:p
 

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Backoff install

I just installed the backoff brake light modulator and had a hard time figuring out which wire to splice into. In case others are having the same challenge, you splice into the white wire with a black stripe in the tail section before it splits to the two tail lights. Seems easy now but it had me puzzled for a while.
The modulator works great - anything to make me more visible!
Happy Trails.
 

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Thanks for the quick reply and the great advice.

I finally completed the installation, but ended up grounding the module dirctly to the battery (a peice of old lamp cord did the trick). Weird, but it works prefectly.

Thanks again. Off to my next mod...:p
Our bikes do not use the frame as a ground; all ground wires go directly back to a negative bus at the battery. If the frame was used, all the areas where aluminum meets steel would corrode.

This is one reason why many of us use a fused panel center (i.e. Blue Seas Fusebox, Fuzebox, etc) to have equal number of spare hot & ground terminals.
 
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