Skip to main content

Attention!
Our Service: We refund any applicable customs charges on your order.
So you can be sure there’ll be no unwelcome surprises. Simply place your order and enjoy!

Search term

Clothing & Helmets
Clothing & Helmets
Accessories
Accessories
Accessories
Belts & Suspenders
Repairing Accessories
Balaclavas/Neck Warmers
Balaclavas/Neck Warmers
Balaclavas
Scarves/Neck Warmers
Base Layers
Base Layers
base layers
Bike Leathers
Bike Leathers
Leather Combi Jackets
Leather Combi Trousers
Leather Jackets
Leather Suits
Leather Trousers
Leather Vests
Boots/Shoes/Socks
Boots/Shoes/Socks
Boot Accessories
Casual Boots
Children's Boots
Chopper Boots
City Boots
Enduro & Motocross Boots
Insoles
Socks
Sports Boots
Touring Boots
Gloves
Gloves
Children's Gloves
Chopper Gloves
Enduro/Motocross Gloves
Glove Accessories
Sport Gloves
Touring Gloves
Undergloves
Urban gloves
Winter Gloves
Goggles/Sunglasses
Goggles/Sunglasses
Goggles Accessories
Motocross goggles
Motorcycle Goggles
Sunglasses
Helmets & Visors
Helmets & Visors
Braincaps
Children's Helmets
Earplugs
Flip-Up Helmets
Full-Face Helmets
Helmet Accessories
Helmet Spare Parts
Jet Helmets
Motocross Helmets
Visors
Kidney Belts
Kidney Belts
Kidney Belts
Leisure Wear
Leisure Wear
Caps/Hats/Bandanas
Casual jackets
Casual pants
Children's Leisure Wear
Fuctional Jackets
Shirts & Long Sleeves
Sweatshirts & Hoodies
T-Shirts & Polo Shirts
Work Clothing
Protectors & Airbags
Protectors & Airbags
Airbagsystems& Accessoris
Back Protectors
Children's Protectors
Knee Sliders & Accs
Protector Jackets & Vests
Protectors Enduro/Cross
Protectors Retrofit
Rainwear
Rainwear
One-Piece Rainsuits
Rain Jackets
Rain Ponchos
Rain trousers
Rainwear Accessories
Thermal Wear
Textile Clothing
Textile Clothing
Children's Jackets/Pants
Enduro/Motocross Clothing
Jeans
Joggers, leggings, chinos
Textile Jackets
Textile Trousers
Equipment & Leisure
Equipment & Leisure
Add-On Parts
Add-On Parts
Chassis & Foot Rests
Chassis & Foot Rests
Foot Rests & Accessories
Fork Springs
Front fork/components
Rear Susp. Lowering Kits
Rear Susp. Raising Kits
Rims & Wheels
Shock Absorbers
Steering Dampers
Crash pads & crash bars
Crash pads & crash bars
Crash Bars
Crash Pads/Mounting Kits
Handguards
Motorcycle Specif Access.
Exhaust Systems
Exhaust Systems
Exhaust Accessories
Exhaust Gaskets
Exhaust Rear Silencers
Exhaust Systems
Exhaust systems motocross
Scooter Exhausts
Handlebars/Grips/Levers
Handlebars/Grips/Levers
Brake / Clutch Lever Sets
Brake Levers
Clutch Levers
Grip Accessories
Grips
Handlebar Accessories
Handlebars
Heated Grips
Lever Covers
Pillon Grips
Superbike Handlebar Kits
Univ. Chrome/Alu Access.
Instruments & Accessories
Instruments & Accessories
Instrument Accessories
Instruments
Oil Temperature Gauges
License Plate Holder
License Plate Holder
License Plate Bracket
Lighting & Electrics
Lighting & Electrics
Accessories for Electrics
Bike-Specif. Turn Signals
Bulbs
Headlights & Units
Horns & Two-tone
Light Brackets
Rear/License Plate Lights
Reflectors
Switches & Ignition Locks
Universal Turn Signals
Vehicle Electric System
Mirrors
Mirrors
Bar-end Mirror
Custom/Chopper Mirrors
Fairing Mirrors
Handlebar Mirrors
Mirror Accessories
Scooter Mirrors
Seats & more
Seats & more
Child Seats
Seats/-Covers/-Cushions
Side Stands & more
Side Stands & more
Centre & Side Stands
Sidestand Pads
Smart Ride
Smart Ride
Smart Ride accessories
Tank & Sidestand Pads
Tank & Sidestand Pads
Deco. Figures/Valve Caps
Stickers
Tank Pads
Windshields & Fairings
Windshields & Fairings
Fairing Elements
Fairing Windshields
Handlebar Fairings
Mudguards & Accessories
Windshield Accessories
Windshields
Maintenance & Care
Maintenance & Care
Brake Fluid
Brake Fluid
Brake Fluid
Chain care & systems
Chain care & systems
Chain Care
Chain Maintenance Systems
Cleaners & Care Products
Cleaners & Care Products
Bike Cleaners & Access.
Care Products & Polishes
Special Cleaners
Clothing & Helmet Care
Clothing & Helmet Care
Helmet/Visor Care
Leather/Textile Care Prod
Coolant
Coolant
Motorcycle Coolant
Engine Additives
Engine Additives
Engine Additives
Metal Repair & Adhesives
Metal Repair & Adhesives
Metal Repair & Adhesives
Oils
Oils
Engine Oils
Fork Oils
Transmission Oils
Other Lubricants
Other Lubricants
Other Lubricants moto
Paints
Paints
Paints for vehicles
Sealants
Sealants
Sealants
Gift Ideas
Gift Ideas
Books
Books
Books
Maps & Guide Books
Calendars
Calendars
Motorcycle Calendars
Clocks/Watches/Jewellery
Clocks/Watches/Jewellery
Clocks/Watches
Jewellery
Coat/Helmet Racks
Coat/Helmet Racks
Coat/Helmet Racks
Gift Articles
Gift Articles
Gift Articles
Gift Voucher
Key Rings
Key Rings
Key Rings
Metal Signs
Metal Signs
Metal Signs
Models & Model Kits
Models & Model Kits
Model Kits
Models
Camping, outdoor & safety
Camping, outdoor & safety
Outdoor & Camping
Outdoor & Camping
Airbeds/Mats/Pillows
Camping Accessories
Camping Crockery/Stoves
Camping/Folding Furniture
Flashlights/Torches/Lamps
Knives & Multi-Tools
Sleeping Bags
Tents
Safety & First Aid
Safety & First Aid
Safety Equipment
Luggage
Luggage
Backpacks & Handbags
Backpacks & Handbags
Backpacks
Leg & Belly Pockets
Toolbags/Travel Tool Kits
Wallets
Cases & Racks
Cases & Racks
Alu Cases & Top Boxes
Case & rack access.
Complete Case Set
Luggage Racks
Saddlebag Holders
Side case
Top Boxes
Luggage Accessories
Luggage Accessories
Map Pockets
Rain Covers
Straps/Bungees/Lashings
Saddlebags & travel bags
Saddlebags & travel bags
Saddlebags Leather
Saddlebags Textile
Textile Bags
Tailbags & Roll Bags
Tailbags & Roll Bags
Pack Sacks & Roll Bags
Tailbags
Tank Bags & Map Pockets
Tank Bags & Map Pockets
Magnet Tank Bags
System Tank Bags
Tank Bags with Straps
Tank Ring System
Multimedia
Multimedia
Cameras & Accessories
Cameras & Accessories
Camera Accessories
Cameras
Communication systems
Communication systems
Intercom Accessories
Intercoms
Navigation & GPS-Tracker
Navigation & GPS-Tracker
GPS Sat Nav Accessories
GPS Sat Navs
GPS-Tracker & Finder
Smartphone Holder & Accs.
Smartphone Holder & Accs.
Smartphone Holder & Accs.
Service Parts
Service Parts
Alternator Parts
Alternator Parts
Alternator reulator
Batteries
Batteries
Batteries/Rechargeable
Battery Accessories
Vehicle Batteries
Bearings
Bearings
Bearings
Brakes
Brakes
Brake callipers&cylinders
Brake Discs
Brake Lines
Brake Pads
Break Caliper Repair Set
Cables & Shafts
Cables & Shafts
Cables & Accessories
Speedometer Cables
Throttle & Clutch Cables
Carburettors
Carburettors
Carburettor Intake Socket
Carburettor Repair Sets
Dynojet Kits
Float Needles
Chain Kits & Propulsion
Chain Kits & Propulsion
Chain Kits
Chains
Pinions & Sprockets
Rear-wheel damper
Variomatic & Belts
Chassis
Chassis
Fork Seals & Accessoires
Fork tubes & sliders
Clutches
Clutches
Clutch Sets
Clutch Springs
Master/slave cyl.rep.sets
Engine & Transmission
Engine & Transmission
Engine & Transmission
Starter Motor Motorcycle
Water / Oil Coolers
Filter
Filter
Air Filters
O-Rings for Oil Filters
Oil Filters
Power Air Filter
Fuel Pumps
Fuel Pumps
Fuel Pumps moto
Petrol Filters & Hoses
Petrol Tap Repair Sets
Gaskets & Seals
Gaskets & Seals
Clutch Cover Seals
Gasket & Seal Kits
Oil drain/Sealing ring
Valve Cover Seals
Sensors & Switches
Sensors & Switches
Sensors & switches
Spark Plugs & Accessories
Spark Plugs & Accessories
Spark Plug Connec./Leads
Spark Plugs
Spark Plugs: pack of 10
Anti-Theft/Weather Prote.
Anti-Theft/Weather Prote.
Anti-Theft Protection
Anti-Theft Protection
Alarm Systems
Chain/Brake Disc Locks
Motorbike Covers
Motorbike Covers
Bike Covers & Accessories
Workshop/Tools/Transport
Workshop/Tools/Transport
Bike stands & transport
Bike stands & transport
Motorcycle Trailer
Motorcycle Transport Acc.
Paddock Stand Accessories
Paddock Stands
Chargers & Accessories
Chargers & Accessories
Battery Packs
Charger Accessories
Chargers
Repair Instructions
Repair Instructions
Repair Instructions
Tools
Tools
Board tools
Brake Maintenance
Carburettor Maintenance
Engine Maintenance
Handy Tools
Imperial & Star Tools
Power Tools
Screwdriver & Pliers
Socket Wrenches/Sockets
Special Tools
Torque Wrench
Tyre Care/Accessories
Vehicle Diagnostics
Wrenches/Spanners
Workshop Equipment
Workshop Equipment
Electrics Supplies
Meters/Gauges & Accessor.
Oil Can/Funnel/Meas. Cups
Polishing Tools/Brushes
Screws & Small Parts
Workshop/Equipment
Workshop Trolley & Acces.
Sale %
Brands
Magazine
Magazine
Gifts
For the bikers
For the bikers
Tips for biking with youngsters
Women's World of Biking
Airbag systems
Clothing care
Bikeratheart
Practical biking tips
Functional Underwear
Retro
Gloves
Buying a helmet
Jacket and trousers
Kidney belts
Protectors
Rainwear
Racing
Safety training
Boots
The right gear
Casual motorcycle clothing
Clothing for mopeds and scooters
Enduro and motocross at Louis
All about bikes
All about bikes
Bike Specials
Motorbike cover
Your motorbike workshop
Your motorbike workshop
Your motorbike workshop - the road
Your motorbike workshop - the garage
Your motorbike workshop - the private workshop
Tips for DIY mechanicss
Beginner's motorcycle
Ergonomic accessories
Spare parts
Tyres
Buying a used bike
Luggage Systems
Motorcycle care
Riding position
Vehicle licensing
Exhaust tips
Spare parts for mopeds and scooters
Motorcycle Tours
Motorcycle Tours
Camping
Country tips
Touring tips
Touring tips
Tours in Switzerland
Travel and Leisure
Motorcycle transportation
Motorcycle transportation
Motorcycle transportation lashing made easy
Motorcycle transportation on the road
Motorcycle transportation by rail
Motorcycle transportation by ferry
Motorcycle transportation by aeroplane or cargo ship
Competition
Louis Edition
Service
Service
About Louis
About Louis
Awards
Presenting Louis
Louis driving school programme
LouisCard
LouisCard
Standard Terms and Conditions
Our strong partners
All about shopping
All about shopping
VAT refund
Service offerings
Returns and Complaints
Shipping costs and Forms of payment
Log in

Home
DIY top tips jump start

Products

Louis Tools

Ignition Voltage Tester

RRP £12.97 £10.37¹

This website uses cookies and web tracking technologies in order to optimise the design of the website/online shop and our product range, and to address customers directly. Data is also transferred to service providers who allow us to carry out a more detailed kind of analysis.By clicking ACCEPT ALL, you confirm that you agree to this. Our data privacy page provides more information about our external service providers, as well as an overview of all cookies.

Please log in

To use the wishlist, please log in to My Louis. Your items will then be saved permanently and across all devices.

You don't have a customer account yet? Register quickly and benefit from all features.

Register Log in

Order & Service Mon-Sat 10-21 GMT

020 3481 5025

The Louis newsletter

Receive information free of charge on all our current ranges, special offers and interesting new additions.

Data privacy information

We will not pass your details on to any third party. You can unsubscribe from the newsletter at any time (for example, via the link at the bottom of every e-mail). For further information on how we treat your personal data submitted here, please consult our data protection declaration. For the best possible protection of your personal data, all data is transmitted encrypted using SSL technology.