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1. Foreword
Congratulations on your purchase of a ThunderBox power distribution module.
At HealTech Electronics Ltd. we are committed to producing the best aftermarket
accessories for motorcycles and we would like to thank you for choosing this product.
The ThunderBox simplifies and safeguards the process of connecting aftermarket electronic
accessories (such as extra running lights, heated grips, GPS, phone charger, extra gauges
and any other powered devices) to your vehicle. It acts as an automatic and easy-to-
handle power distributor between the battery and the accessories. With the quick connect
terminal blocks supplied, the installation process is quick and simple, requiring no tools
nor specialist knowledge.
2. Features
Compatibility
Compatible with ALL vehicles using a 12V battery system (all battery types and capacities
are supported), including all motorcycles, cars, ATVs/UTVs, kit cars and even lawnmower
trucks. Available in two versions: 16A (TB-U01) and 2x 16A (TB-U02).
Awesome tech
The TB constantly monitors the battery voltage, engine state (running/off) and the outputs,
then switches the loads on/off automatically. The TB isolates/disables the power supply to
the accessories until the engine is started and running smoothly, ensuring 100% battery
power is always available for starting. This is a fully automated process, resulting in
trouble-free starts and enhanced battery life.
Quick and simple to use
Connect the TB directly to the battery terminals and decide whether you want a fully
automatic or ignition key controlled operation. Connect the auxiliary equipment fast,
conveniently and safely to the tool-free splitter terminal blocks supplied. Just plug in the
wires and you're good to go!
Small but tough
We use only the best components and technology to create products that can withstand
the harshest environments. The TB has no moving parts, no relays and no fuses. Inside
the rugged plastic case the circuitry is encased in epoxy resin, which makes it fully oil and
water resistant, shock and vibration proof.
USB charger
A weatherproof USB charger is available separately (part no.: TB-USB1) so that power to
your USB devices will be turned on/off automatically and protected too. You may connect
multiple USB chargers to one TB unit.
TB_Manual_en.pdf
www.healtech-electronics.com
ThunderBox | User Manual
Advanced power distribution module
Model: TB-U01, TB-U02
[rev. 002]
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Table of Contents
Summary of Contents for HealTech Electronics ThunderBox
- Page 1 1. Foreword Congratulations on your purchase of a ThunderBox power distribution module. At HealTech Electronics Ltd. we are committed to producing the best aftermarket accessories for motorcycles and we would like to thank you for choosing this product. The ThunderBox simplifies and safeguards the process of connecting aftermarket electronic accessories (such as extra running lights, heated grips, GPS, phone charger, extra gauges and any other powered devices) to your vehicle.
- Page 2 - 1pc wire tap connector, gel-filled - 2pcs HealTech sticker sets 5. Operation modes The ThunderBox can operate in three different modes. Depending of the connection of the WHITE control wire the following modes can be acquired: › Automatic mode: The White control wire is left disconnected/unused.
- Page 3 7. Installation Disclaimer: Do not attempt to install the product if you don’t have basic mechanical and electronic skills. HealTech Electronics Ltd. and its distributors shall not be liable for any loss or damage caused by improper installation. Make sure the ignition key is turned OFF. Locate the battery of the vehicle: on most motorcycles the battery is under the front seat.
- Page 4 Turn the ignition key OFF and correct the short circuit fault. Reset the ThunderBox: disconnect the TB’s Red wire terminal from the battery for about 5 seconds, then reconnect. Periodic GREEN Output is turned off, unit is in stand-by.
Need help?
Do you have a question about the ThunderBox and is the answer not in the manual?
Questions and answers
Hi, I have the USB-charger and a gps tracker connected to the Thunderbolt, but they do not turn on when the bike is running even though the LED is lit up. What could the issue be?
Possible reasons the USB charger and GPS tracker do not turn on when connected to the HealTech ThunderBox while the bike is running include:
1. ThunderBox is in Stay-off mode – This mode disables output and must be turned off for accessories to receive power.
2. No switched live trigger – If the white wire on the ThunderBox is not connected to a switched live source (such as a taillight circuit), the unit may not activate with the ignition.
3. Output delay in progress – The ThunderBox has a power-up delay indicated by flashing green LED; the outputs may not be active immediately.
4. Short circuit detected – A flashing or solid red LED indicates a short circuit. If detected, outputs are disabled until the fault is fixed and the unit is reset.
5. Device-specific fault – The USB charger or GPS tracker may be faulty or drawing too much power.
Check the LED status to diagnose the issue and ensure proper wiring and mode settings.
This answer is automatically generated