Note that most 'Kits' are made to order and can take a few days to prepare.  Please try not to ask to add something to your order.                                      Please see the Shipping Page for info, rates, and delivery times.

MINIMUM ORDER IS $10. I’m sorry but I will refund all orders less than $10.

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3 Circuit Solution HD

This Kit is for higher current needs. Each circuit of the HD unit is 15A capable. The 1 Fuse Unswitched version gives you one 20A capable output. Total current draw max for the HD Kits is 30A. This Kit uses unsealed .250” 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.


The 1 Fuse Unswitched version has upgraded wiring on one circuit to provide 20A. This is recommended for H4 Dual Relay Kit hookup. The yellow output wire is the 20A circuit. H4 Single Relay Kits don’t need a 20A hookup.


- Heavy Duty Panasonic high temp sealed 40A relay with relay socket

- main 30A fuseholder and 30A ATM fuse plus a spare

- Metri-Pack 3 ATM fuseholder with cover cap

- comes with five circuit fuses (15A,10A,7.5A,5A,2A) for accessories such as: headlight relay kit, Power Socket,  Heated Grips, etc. You can install other sizes of fuses for what ever you need in the three positions up to 15A per circuit, but a maximum of 30A fuse must be in the main fuseholder.

- all wires and sheathing are 100 C high temp cross linked type.

- relay switching lead comes with a Posi-Tap for easy connection to an ignition switched wire on your bike.

- Switched circuits are turned off when the bike is shut down. An unswitched circuit is always hot. Yes you can charge your bike’s battery through the unswitched circuit.

- with the 1 Fuse Unswitched version, you get full time power to the fuse with the red wires, and switched power to the other two.

-with the All Fuses Switched version, you get switched power on all three fuses.

- with the All Fuses Unswitched version you get full time power on all three fuses.

3 Circuit Solution HD - All Fuses Switched  $54.95


3 Circuit Solution HD - One Fuse Unswitched  $56.95


3 Circuit Solution HD - All Fuses Unswitched  $42.95


The All Fuses Unswitched version has no relay, see below for a picture of this Kit.3cs-afu-hd


- basically the same features but with no relay, no switching lead

- all fuses are powered all the time

- cheaper and easier to install

Extra connectors for the 3CS-HD

2P250 CNA Tang-Less Set

Tough plastic housings with tin plated brass 2 sqmm terminal set. Click below to buy.

2P250-CNA-TL Set $2.83



2P250-CNA-TL Male $1.79


2P250-CNA-TL Female $1.79


Extra terminals for the connectors for the 3CS-HD

.250 Tang-Less Female Receptacles $0.12 Each

On the right all three sizes are shown plus the bottom side. Choose your size according to the wire size to be used. Terminal size is the maximum size wire.

.4 mm2 (20 AWG)


2 mm2 (14 AWG)



.250 Tang-Less Male Tabs $0.24 Each

On the right all three sizes are shown plus the bottom side. Choose your size according to the wire size to be used. Terminal size is the maximum size wire.

.4 mm2 (20 AWG)


2 mm2 (14 AWG)



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.