What the hell is this on my bike? - Wrist Twisters
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post #1 of 16 Old 03-02-2019, 04:29 PM Thread Starter
Tirone
 
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What the hell is this on my bike?

I was taking my tail fender out to do a mock-up for a DIY side carrier like marylandmike (see pic below).


However, i found that my rear wiring hardness has been hacked to shit by the previous ricer owner and there's this black rectangular thing attached to it. Does anyone know what this is? a black box?





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post #2 of 16 Old 03-02-2019, 05:12 PM
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Is the std ECU still in place in there? Does this unit plug into it?

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post #3 of 16 Old 03-02-2019, 05:13 PM
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I'm not too sure. Can you tell what it's wired into?
Maybe some sort of fuel controller?

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post #4 of 16 Old 03-02-2019, 05:31 PM
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You're going to have to cut the wire holders and spread things out a bit so we can see where it connects. Another option is to take off the cover and see what the box is. It's either home made or bought, should have some names and numbers on it.

Chasing the wires to see where they connect would be the best bet.

Do you have any LEDs, some use a different blinking control to account for the speed of LED vs regular bulbs.

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post #5 of 16 Old 03-02-2019, 05:33 PM Thread Starter
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It doesn't go anywhere else but to the harness. It's sealed off so I don't know if i should cut it open and risk getting water into it down the road.

If it is some sort of standalone fuel controller, aren't they usually plug and play instead of requiring you to hack/cut into your oem harness, he didn't even use heat shrink tubing but rather electrical tape. This is such a sloppy install.


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post #6 of 16 Old 03-02-2019, 06:04 PM
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The bike manual has a good wiring schematic in it. If you can trace the units wiring to the OEM wiring you might be able to figure out what it does. For example a fuel controller may need to hijack signals from some sensors ie air intake temp, TPS.
It's a little odd it doesn't have any markings or logos.
I wouldn't mess with it too much just yet. Wait a few days someone may recognize what it is from this post.
Any chance of contacting the PO?

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post #7 of 16 Old 03-02-2019, 06:16 PM
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The question is which wires does it cut into?

Cutting the cover off isn't a big deal, you can reseal it for $2.

You need to show where the wires lead.

You still didn't answer if you have LEDs or not or any other non stock stuff. HID lights, LED lights, etc...

Most likely it's either lights, EFI or security.

If the wires are just taped together, why not just mark and pull the wires and see if the lights still work?

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post #8 of 16 Old 03-02-2019, 08:08 PM Thread Starter
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No chance of contacting previous owner, bought it at a dealer for a steal of a price. Other than aftermarket Yoshimura exhaust and handlebar, no other mods.

I guess I'll just let the sleeping dog lie.

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post #9 of 16 Old 03-02-2019, 10:45 PM
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It's a flight data recorder, a black box.
Your bike has been classified as a low altitude flying machine.

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post #10 of 16 Old 03-02-2019, 11:37 PM
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I reckon it's a fuel controller of some description, given how many connections it has and how close to the ECU it is, but Lord knows how you talk to it.

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post #11 of 16 Old 03-03-2019, 10:46 AM
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Hmmmm, single colours Orange, Blue relate to Lighting.

Brown also relates to Lighting BUT there is a Brown connection between the PGM-FI Unit and Ignition Control Module complex, that goes to the Service Check Connector.
Maybe Brown is a power source.

I'm not an electrical guy at all, and this is the kind of thing that Mr. Tharlson remains very much in a league of his own.

I'd be cutting that black sleeve open to remove it, in order to look for some markings on the item.

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post #12 of 16 Old 03-03-2019, 10:47 AM
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[QUOTE=fairlylogical;1353717]I was taking my tail fender out to do a mock-up for a DIY side carrier like marylandmike (see pic below).


However, i found that my rear wiring hardness has been hacked to shit by the previous ricer owner and there's this black rectangular thing attached to it. Does anyone know what this is? a black box?





By the way, very nice looking bike, exhaust included, that marylandmike has.
fairlylogical likes this.

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post #13 of 16 Old 03-03-2019, 07:35 PM
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Speedo healer? Lo-jack? As was mentioned....does you bike have any lighting mods (LED or HID headlight, neons, or aux lighting elsewhere on the bike?

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post #14 of 16 Old 03-04-2019, 09:27 AM
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Quote:
Originally Posted by Bryce919er View Post
Speedo healer? Lo-jack? As was mentioned....does you bike have any lighting mods (LED or HID headlight, neons, or aux lighting elsewhere on the bike?
Wrong shape and size for a (HealTech) Speedo Healer.
So that can be struck off the list.
Great question about light mods.

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post #15 of 16 Old 03-04-2019, 10:16 AM
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Trailer light converter? Used to eliminate the turn signals and incorporate the turn signal function into the two bulb brake light.
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post #16 of 16 Old 03-04-2019, 10:17 AM
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The Orange (Left turn signal), Lt. Blue (Right turn signal) and Green / Yellow (Brake lights) all point to some sort of turn signal / brake light integrator. Notice the two gouges in the Green / Yellow wire just out of the white three pin connector: looks like the bite of a ScotchLoc connector, probably an aborted attempt at installation of whatever it is.

My advice: turn on the key and activate either turn signal, and if that doesn't do anything tap on the brake. The turn signals may light with the brake lights. Past that, I have no idea.

Of course it may be a GNDNBIVE.

Bonne chance.

Rob

If it has already been done, it is safe to assume it is possible to do it.
On the other hand, if it has not been done never assume it is impossible to do it.
------- Rob --------
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