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3 Circuit Solution Sealed - now extra long 48” version here

This Kit is for medium current needs up to 12A per circuit and 30A total current on the Kit. This Kit uses Sumitomo MT sealed .090” connectors that are easy to work with if crimping or soldering.

There are 3 versions available depending on your switching requirements. An Unswitched circuit is necessary for battery charging. Unswitched circuits are always on. Switched circuits will turn on and off with your bike.


Each Kit comes with 3 mating Male Sumitomo’s MT sealed connectors, and you can buy extras further down this page. They’re capable of up to 16 AWG wire and 12A current. They’re easy to crimp and install. They’re extremely compact, durable, and inexpensive. An extra terminal is included, as well as cable ties.

I have also added a Sealed Relay option to the Kit options below.

Leads, extensions, and splitters to plug into the 3CS Sealed are now available.

3 Circuit Solution Sealed   -   All Fuses Switched  $69.95


3 Circuit Solution Sealed - One Fuse Unswitched  $69.95



3 Circuit Solution Sealed - All Fuses Unswitched  $55.95


3 Circuit Solution Sealed All Fuses Unswitched


- basically the same features as the other 3CS Sealed Kits, but has no relay and no switching lead.

- all fuses are powered all the time

- cheaper and easier to install


3 Circuit Solution Sealed LONG


Same as regular kits but with battery leads 48” long.

3 Circuit Solution Sealed LONG   -   All Fuses Switched  $84.95


3 Circuit Solution Sealed LONG - One Fuse Unswitched  $84.95


3 Circuit Solution Sealed LONG - All Fuses Unswitched  $69.95


See top of page for kit info.

Extra connectors for the 3CS Sealed

2 Position .090 Waterproof MT Connector.

Fits wires from .5mm - 1.25mm (22 - 16 AWG).

Small size tough plastic housing with inner seal. Seals on each wire.

Connector Set  $3.95 ea



Male Half $2.49 ea


Female Half $1.95 ea


Extra terminals, seals, and plugs for the 3CS Sealed

Male Terminal  $0.14/EA


Female Terminal  $0.14/EA


Seal $0.09/EA



Plug  $0.12/EA


3CS Sealed Leads - these leads are extensions to get from the 3CS to your accessory or splitter.

Various leads are available for running your circuit wires from the 3CS under the seat to up front to power a socket, SAE, aux lights, or other devices.

Use the included Kit connectors on the accessory, and plug into these leads, then plug the leads into the 3CS.

Mating connectors can be installed on the wires of your device and everything then plugs together.

On the left is a 3CS Sealed extension with sealed connectors on each end. On the right the leads have an unsealed terminating connector.

Pair of 16 AWG wires in sheathing with a connector at each end. Wires, connectors, and sheathing are high temp, highest quality, Japan made.

3CS Leads Sealed 80 cm $12.95


3CS Leads Sealed 120 cm $14.95


3CS Leads Sealed 160 cm $16.95


3CS Leads Unsealed 80 cm $12.95


3CS Leads Unsealed 120 cm $14.95


3CS Leads Unsealed 160 cm $16.95



More 3CS Sealed Leads - these leads have specific terminating connectors for different accessories

3CS Sealed Leads with SAE Plug

3cs leads - sae

2 Prong SAE Plug for battery chargers, etc

3CS Leads Sealed (SAE) 80 cm (31.5”) $12.95


3CS Leads Sealed (SAE) 120 cm (47”) $14.95


3CS Leads Sealed (SAE) 160 cm (63”) $16.95


3CS Sealed Leads with T-Connector

3cs leads - powerlet

2 Prong T-Connector for Powerlet and Hella type Socket

3CS Leads Sealed (TCON) 80 cm (31.5”) $12.95


3CS Leads Sealed (TCON) 120 cm (47”) $14.95


3CS Leads Sealed (TCON) 160 cm (63”) $16.95


3CS Sealed Leads with 1/4” Pushons

3cs leads - pushons

2 1/4” Sheathed Push-on Receptacles for Automotive Sockets etc

3CS Leads Sealed (.250”) 80 cm (31.5”) $12.95


3CS Leads Sealed (.250”) 120 cm (47”) $14.95


3CS Leads Sealed (.250”) 160 cm (63”) $16.95


Lead Install Page


3CS Splitters

These splitters are designed to allow you to power even more accessories from your 3CS.

All splitters are 30 cm(12”) long.

They are made of high quality Yazaki wire of 0.75 sqmm (18 AWG), with high temp flexible sheathing.

You can order any of the combinations below and more. Pick the connectors you need for your accessories.

The Splitters below are examples of possible choices, and plug into the 3CS Sealed or the 3CS Sealed Leads above.        

Two sealed 3CS outputs - use to split one 3CS output to two.

One T-Connector for Powerlet type sockets, and one set of insulated push on 1/4” females - use to connect one 3CS output to two different sockets.

Two sets of 1824 Posi-Locks for the ultimate in easy installations. Also use when you have devices with pigtails.


3CS Sealed Splitter $19.95

Option 1
Option 2

3CS Kit Options:

FREE - Switching Lead Posi-Tap Choice: I now give you a choice of a Posi-Tap to suit different wire sizes. Some bikes, especially CanBUS bikes have very small wires. The parking light wire definitely needs a PTA2022 it’s so small. There is no charge for this option but of course you must be buying a 3CS Kit above. See the Posi Products Page for info about Posi-Taps and their sizes.

The Kit’s default is the PTA1800 which will fit most bikes but it’s nice to have the right size.

Order a few extra sizes from the Posi Products Page and make sure you have one that fits just right.

Switching Lead Posi-Tap Choice (Choose Once ONLY)


CanBUS Protective Diode Option: A protective diode can be ordered inline on the ignition switched lead, preventing reverse current flow back to the bike. This is highly recommended for CANBus bikes.

Protective  Diode in Switching Wire Option $5.95

Relay Weather Proofing Option:  A large sheath of removable shrinktube is shrunk over the relay connection to provide water proofing for those who like to cross rivers and get their bike wet. You can also buy this shrinktube here and add your own weather proofing.


Relay Weather Proofing Option $2.95

Easy Mount ‘Tree’ Clip: Pushes into a hole to hold the 3 fuse holder in place. Clips onto the back of the cap.


MP280-Tree Clip $0.95

Installation Instructions Click Here

Custom 3CS for some bikes Click Here

The 3CS is hand assembled and made of the highest quality materials.

The 3CS can be used on any bike, even a mini bike or mobility scooter.

The 3CS is perfect for small dual sport bikes or sport bikes.

You can install two or even three of these Kits on a bike, so if you find you need more circuits in the future you can add another 3CS or use a splitter.

I have a 3CS on each of my own bikes. They are powering my GPS, an aux socket, heated clothing, and aux lights.