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Old 03-24-2020, 04:55 PM   #1
Cello
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Anyone good with wiring?

I bought an accessory sensor for the old bike, never installed it, but this week I finally got the new bike and opened up the instructions. I've never seen a connector like the one they're using. It looks like they want me to pierce (there's a needle inside of that quick connector they have at the end of their white wire) one of the wires running to a constant 'on' device, like the L/P light or the tail light, but the strands running to those lights look like they have all three (hot, neutral, ground) wires inside of their wrapping. I don't want to muck about piercing electronics, plus it seems as if the previous owner of the bike replaced the tail and L/P lights with LEDs, so even the instruction book says that's a no-go...

Anyone familiar with this type of 3-wire harness? I've only done mild household electrical stuff, and have always double and triple-checked those.

There is a loose (read: male/female bullet connectors) accessory connection in the back. Is there a way to set up the new sensor with that? Pic below for instruction booklet stuff.
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Old 03-24-2020, 07:32 PM   #2
gots2no
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You can connect a test light (or 12V bulb) to ground (or negative battery terminal). Connect the other lead to a pin or needle. Find a wire running to the tail light and pierce it. When it lights, that's your connection. Turn off the ignition and make sure it turns off.
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Old 03-24-2020, 08:47 PM   #3
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Quote:
Originally Posted by Cello View Post
I bought an accessory sensor for the old bike, never installed it, but this week I finally got the new bike and opened up the instructions. I've never seen a connector like the one they're using. It looks like they want me to pierce (there's a needle inside of that quick connector they have at the end of their white wire) one of the wires running to a constant 'on' device, like the L/P light or the tail light, but the strands running to those lights look like they have all three (hot, neutral, ground) wires inside of their wrapping. I don't want to muck about piercing electronics, plus it seems as if the previous owner of the bike replaced the tail and L/P lights with LEDs, so even the instruction book says that's a no-go...

Anyone familiar with this type of 3-wire harness? I've only done mild household electrical stuff, and have always double and triple-checked those.

There is a loose (read: male/female bullet connectors) accessory connection in the back. Is there a way to set up the new sensor with that? Pic below for instruction booklet stuff.
There's no 'Neutral' in a DC system on a motorcycle, if you've got three wires, it's because whatever it's running to is a switched system. For example, the three going to your tail light, you have one constant-on (i.e. - the tail light), a second is the brake light (switched by your foot pedal, either a spring-loaded microswitch or a pressure switch), and the third is the ground / return. As for your sensor, what does it do? The diagram looks like a replacement spring-loaded microswitch to actuate the brake light. The pointy end coming from it will usually be pushed in by some spot on the brake pedal. Others have a small loop so the switch is pulled to actuate.
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Old 03-26-2020, 08:10 PM   #4
Cello
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It's a GPS sensor that connects to a constant on line to tell when the ignition is turned on. The diagram is for the connector to the constant-on line. You screw the cap on and it pushed the wire into the needle inside. They have a website here: https://www.posi-products.com/posiplug.html , but I know the 'vampire' type connectors are generally not as good as soldering/wrapping the wire yourself: https://tech.bareasschoppers.com/res...ap-connectors/

Quote:
Originally Posted by gots2no View Post
You can connect a test light (or 12V bulb) to ground (or negative battery terminal). Connect the other lead to a pin or needle. Find a wire running to the tail light and pierce it. When it lights, that's your connection. Turn off the ignition and make sure it turns off.
Got it. I could do the same with my voltmeter, I'm guessing?
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Old 03-26-2020, 08:57 PM   #5
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