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Diagnostic Tools

Collection: Diagnostic Tools

Find the fault before you start swapping parts. Thinkcar diagnostic scanners, Power Probe circuit testers and multimeters from Sealey and Powerhand, covering everything from a quick code read to live electrical testing. For garages that would rather diagnose than guess.

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69 products

Power Probe PPFUSE Fuse Monitor

Power Probe

Circuit Testers

Power Probe PPFUSE Fuse Monitor

Regular price £108.29
Sale price Regular price
Powerhand SIN-400.3170 Digital Auto Range Multi Meter With NCV - 1000v

Powerhand

Multimeters

Powerhand SIN-400.3170 Digital Auto Range Multi Meter With NCV - 1000v

Regular price £32.95
Sale price Regular price
POWERPROBE 3 In Blister Pack - Red

Power Probe

Circuit Testers

POWERPROBE 3 In Blister Pack - Red

Regular price £139.95
Sale price Regular price
PowerProbe PPDRAW Draw Monitor

Power Probe

Circuit Testers

PowerProbe PPDRAW Draw Monitor

Regular price £169.95
Sale price Regular price
Powerhand SIN-400.3150 Digital Automotive Multimeter

Powerhand

Multimeters

Powerhand SIN-400.3150 Digital Automotive Multimeter

Regular price £27.99
Sale price Regular price
Powerhand SIN-400.0552 50pc Vehicle Electrical Testing lead set

Powerhand

Circuit Testers

Powerhand SIN-400.0552 50pc Vehicle Electrical Testing lead set

Regular price £189.95
Sale price Regular price
Sealey VS225 Automotive Back Probes 0.7mm 15pc

Sealey

Circuit Testers

Sealey VS225 Automotive Back Probes 0.7mm 15pc

Regular price £12.99
Sale price Regular price
POWERPROBE Circuit Tracer & Short Finder Kit PPECT3000

Power Probe

Circuit Testers

POWERPROBE Circuit Tracer & Short Finder Kit PPECT3000

Regular price £224.95
Sale price Regular price
BOXO Digital Multimeter CAT III 1000v & CAT IV 600v

Boxo

Multimeters

BOXO Digital Multimeter CAT III 1000v & CAT IV 600v

Regular price £129.95
Sale price Regular price
Powerhand SIN-900.0690 Diagnostic Smoke Machine Kit

Powerhand

Diagnostic Scanners

Powerhand SIN-900.0690 Diagnostic Smoke Machine Kit

Regular price £299.95
Sale price Regular price
Laser 8126 Connection Grab Test Set

Laser Tools

Circuit Testers

Laser 8126 Connection Grab Test Set

Regular price £39.95
Sale price Regular price
Powerhand SIN-400.0550 Battery Tester With Printer

Powerhand

Circuit Testers

Powerhand SIN-400.0550 Battery Tester With Printer

Regular price £180.95
Sale price Regular price
PowerProbe 3 with PowerFlow Technology Red

Power Probe

Circuit Testers

PowerProbe 3 with PowerFlow Technology Red

Regular price £199.95
Sale price Regular price
Sealey 8-Function Digital Multimeter with Thermocouple - Hi-Vis Green

Sealey

Multimeters

Sealey 8-Function Digital Multimeter with Thermocouple - Hi-Vis Green

Regular price £19.95
Sale price Regular price
Power Probe PP-DMM Multi Meter - CAT IV

Power Probe

Multimeters

Power Probe PP-DMM Multi Meter - CAT IV

Regular price £119.95
Sale price Regular price
Sealey 11-Function Professional Auto-Ranging Digital Multimeter

Sealey

Multimeters

Sealey 11-Function Professional Auto-Ranging Digital Multimeter

Regular price £69.95
Sale price Regular price
Sealey 8-Function Digital Multimeter with Thermocouple

Sealey

Multimeters

Sealey 8-Function Digital Multimeter with Thermocouple

Regular price £18.95
Sale price Regular price
Power Probe PPROKIT01 PP3 & Multimeter Professional Testing Kit

Power Probe

Multimeters

Power Probe PPROKIT01 PP3 & Multimeter Professional Testing Kit

Regular price £214.95
Sale price Regular price
Laser 8801 Digital Multimeter CAT III - 600V

Laser Tools

Multimeters

Laser 8801 Digital Multimeter CAT III - 600V

Regular price £28.95
Sale price Regular price
Sealey 10-Function Professional Auto-Ranging Digital Multimeter

Sealey

Multimeters

Sealey 10-Function Professional Auto-Ranging Digital Multimeter

Regular price £24.95
Sale price Regular price
Sealey 11-Function Digital Automotive Multimeter

Sealey

Multimeters

Sealey 11-Function Digital Automotive Multimeter

Regular price £49.95
Sale price Regular price
Sealey Test leads for multimeters

Sealey

Multimeters

Sealey Test leads for multimeters

Regular price £9.99
Sale price Regular price £4.20
Sealey Auto-Ranging Digital Multimeter 6-Function

Sealey

Multimeters

Sealey Auto-Ranging Digital Multimeter 6-Function

Regular price £14.95
Sale price Regular price
Power Probe PPKIT03S Master Combo Kit With ECT3000 Diagnostic & Power Probe 3
Sealey Automotive Test Lead & Crocodile Clip Set 6pc

Sealey

Circuit Testers

Sealey Automotive Test Lead & Crocodile Clip Set 6pc

Regular price £32.95
Sale price Regular price
Powerprobe 3 In Blister Pack - Carbon Fibre

Power Probe

Circuit Testers

Powerprobe 3 In Blister Pack - Carbon Fibre

Regular price £159.95
Sale price Regular price
Powerhand SIN-400.3108 Universal Test Lead Kit - 10 Piece

Powerhand

Circuit Testers

Powerhand SIN-400.3108 Universal Test Lead Kit - 10 Piece

Regular price £69.95
Sale price Regular price
Power Probe PPTM01AS The Maestro Automotive Circuit Tester

Power Probe

Circuit Testers

Power Probe PPTM01AS The Maestro Automotive Circuit Tester

Regular price £429.95
Sale price Regular price
Laser 6843 High Voltage Tester CAT IV 1000V

Laser Tools

Circuit Testers

Laser 6843 High Voltage Tester CAT IV 1000V

Regular price £85.95
Sale price Regular price
Powerhand SIN-400.0600 Automotive Test Probe - 6 - 24v

Powerhand

Circuit Testers

Powerhand SIN-400.0600 Automotive Test Probe - 6 - 24v

Regular price £29.95
Sale price Regular price
Powerprobe 3 With Accessories Kit - Carbon Fibre

Power Probe

Circuit Testers

Powerprobe 3 With Accessories Kit - Carbon Fibre

Regular price £205.95
Sale price Regular price
Laser 7803 Two Pole Voltage Tester 12 - 600V

Laser Tools

Circuit Testers

Laser 7803 Two Pole Voltage Tester 12 - 600V

Regular price £15.95
Sale price Regular price
POWERPROBE Sensor Test Lead Kit

Power Probe

Circuit Testers

POWERPROBE Sensor Test Lead Kit

Regular price £224.95
Sale price Regular price
POWERHAND 17Pc Universal Back Probe & Alligator Clip Set

Powerhand

Circuit Testers

POWERHAND 17Pc Universal Back Probe & Alligator Clip Set

Regular price £28.95
Sale price Regular price
Laser 6544 Back Probe Set - 8 Piece

Laser Tools

Circuit Testers

Laser 6544 Back Probe Set - 8 Piece

Regular price £18.95
Sale price Regular price
Milwaukee Voltage Detector (4932352561)

Milwaukee

Circuit Testers

Milwaukee Voltage Detector (4932352561)

Regular price £14.95
Sale price Regular price
Information

Why Shop With Toolmix

A range of sleek tools to match your professional or DIY needs.

Contact Us

Next Day Delivery

Next day delivery before 2:30pm.

1hr Timeslot

1hr timeslot on next day delivery.

Flexible Payment

Pay in 3 with Klarna at checkout.

Online Support

Here to help, just ask us.

Customer Service

Mon-Fri, 9am-5pm.

Address

Unit 6a, Hambleton Grove, Knaresborough, HG5 0DB