Diagnostic Tools
Sealey Tools > Vehicle Service > Diagnostic Tools
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Sealey 3-Core Test Lead Set 3mtr
Sealey 3-Core Test Lead Set 3mtr

Three, colour-coded, test leads with shrouded crocodile clips at each end. Convenient, integral reel prevents tangles and makes storage and retrieval ... More Info

£11.27 INC VAT
Sealey Adaptor Lead 2-Pin Connector - VAG 2x2
Sealey Adaptor Lead 2-Pin Connector - VAG 2x2

Adaptor lead for 2-pin VAG applications. Suitable for use with VS862.Specification: Adaptor lead for 2-pin VAG applications. Suitable for use with V... More Info

£21.98 INC VAT
Sealey Auto Probe Excel Kit 6-24V
Sealey Auto Probe Excel Kit 6-24V

Comprehensive 6-24V DC test kit. Find bad earths, breaks in continuity and short circuits quickly and easily. Even power up components on and off the ... More Info

£46.60 INC VAT
Sealey Auto Probe Plus 6-24V
Sealey Auto Probe Plus 6-24V

All the features of the Auto Probe but with an integral worklight to aid use in dark engine bays plus an audible circuit tester for when the LED on th... More Info

£47.41 INC VAT
Sealey Automotive Battery/Alternator Voltage Tester
Sealey Automotive Battery/Alternator Voltage Tester

Professional quality, heavy-duty tester. Features colour coded, 6-LED display, showing battery and alternator voltages. Suitable for 12V systems. No i... More Info

£10.97 INC VAT
Sealey Automotive Digital Multimeter 15 Function Bar Graph/PC Link
Sealey Automotive Digital Multimeter 15 Function Bar Graph/PC Link

Extra large, hi-contrast LCD display with 36mm high digital read-out, bar graph and backlight. Durable bi-composite case with probe storage and integr... More Info

£134.36 INC VAT
Sealey Automotive Fuse Checker & Puller
Sealey Automotive Fuse Checker & Puller

Checks continuity of blade-type automotive fuses, in or out of fuse holder. Green LED indicates fuse is OK. Also simplifies the removal of faulty fuse... More Info

£4.38 INC VAT
Sealey Automotive Pen Probe Digital Meter
Sealey Automotive Pen Probe Digital Meter

Features 3-1/2 digit, 10mm LCD display, data hold, auto-ranging, over-range protection and indication, auto-power-off and spotlight. Measures AC and D... More Info

£31.58 INC VAT
Sealey Back-Probe Set
Sealey Back-Probe Set

Back-probe wiring harness connectors without damage to wire insulation or connector block. Two sizes to cover most automotive applications. Probes fit... More Info

£7.31 INC VAT
Sealey Bore Scope 600mm
Sealey Bore Scope 600mm

Suitable for internal inspection of cylinder bores, engine components and other machinery/industrial applications. Flexible 600mm shaft can be bent to... More Info

£355.72 INC VAT
Sealey Borescope Ø10 x 900mm
Sealey Borescope Ø10 x 900mm

Suitable for internal inspection of cylinder bores, engine components and other machinery/industrial applications. Flexible 900mm shaft can be bent to... More Info

£371.53 INC VAT
Sealey Borescope Ø4.3 x 600mm
Sealey Borescope Ø4.3 x 600mm

Suitable for internal inspection of cylinder bores, engine components and other machinery/industrial applications. Flexible 600mm shaft can be bent to... More Info

£363.63 INC VAT
Sealey Borescope Ø5.8 x 900mm
Sealey Borescope Ø5.8 x 900mm

Suitable for internal inspection of cylinder bores, engine components and other machinery/industrial applications. Flexible 900mm shaft can be bent to... More Info

£387.35 INC VAT
Sealey Car Fuse Adaptor Lead Set - Mini Fuse
Sealey Car Fuse Adaptor Lead Set - Mini Fuse

Break into the vehicle's fuse panel quickly and easily. Keeps your hands free for handling the wiring loom and switching components. Fused adaptor lea... More Info

£7.31 INC VAT
Sealey Car Fuse Adaptor Lead Set - Standard Fuse
Sealey Car Fuse Adaptor Lead Set - Standard Fuse

Break into the vehicle's fuse panel quickly and easily. Keeps your hands free for handling the wiring loom and switching components. Fused adaptor lea... More Info

£7.31 INC VAT
Sealey Circuit Tester 3-48V
Sealey Circuit Tester 3-48V

Suitable for testing electrical circuits from 3 to 48Volt DC. Integral, spring-loaded, pointed probe for testing through insulation. Twin LEDs indicat... More Info

£6.73 INC VAT
Sealey Circuit Tester 6, 12 & 24V DC Long Probe Heavy-Duty
Sealey Circuit Tester 6, 12 & 24V DC Long Probe Heavy-Duty

Suitable for testing 6, 12 and 24Volt DC electric circuits. 195mm Insulated probe with pointed tip, tests through wire insulation. Supplied with 3mtr ... More Info

£10.12 INC VAT
Sealey Circuit Tester 6/12/24V
Sealey Circuit Tester 6/12/24V

Suitable for testing 6, 12 and 24Volt DC circuits. Insulated, pointed probe tests through wire insulation. Supplied with 1.5mtr cable and crocodile ea... More Info

£7.58 INC VAT
Sealey Circuit Tester 6/12/24V LED
Sealey Circuit Tester 6/12/24V LED

Suitable for 6, 12, 24 and 48Volt AC and DC circuits. LED array indicates polarity and voltage range. Supplied with 850mm cable and crocodile earth cl... More Info

£7.58 INC VAT
Sealey Circuit Tester 6/12/24V with Polarity Test
Sealey Circuit Tester 6/12/24V with Polarity Test

Probe tool allows continuity and polarity tests to be carried out quickly and efficiently on 6, 12 and 24Volt systems. Positive/negative polarity indi... More Info

£8.43 INC VAT
Sealey Code Breaker Manual
Sealey Code Breaker Manual

Comprehensive book giving references and definitions for over 2700 EOBD/ISO codes. Provides guidance for many diagnostic procedures and checks, when a... More Info

£53.32 INC VAT
Sealey Coil On Plug Test Extension
Sealey Coil On Plug Test Extension

Allows for inductive couplers to be used on engines that have no HT leads to diagnose engine faults. Ideal for coil-pack diagnostics on modern engines... More Info

£19.74 INC VAT
Sealey Cordless Circuit Tester Buzzer/LED
Sealey Cordless Circuit Tester Buzzer/LED

Suitable for testing DC circuits with voltages between 3 and 28Volts. No earth clips to get tangled - simply contact the wire to be tested and touch y... More Info

£9.57 INC VAT
Sealey Cordless Circuit Tester LCD Polarity
Sealey Cordless Circuit Tester LCD Polarity

Suitable for testing DC circuits with voltages between 6 and 28Volts. No earth clips to get tangled - simply contact the wire to be tested and touch y... More Info

£8.05 INC VAT
Sealey Current Tester 20A - Mini Fuse
Sealey Current Tester 20A - Mini Fuse

Fast, accurate and safe current measurement at the fuse box. Ideal for fault-finding on car and commercial vehicle electrical circuits. Features large... More Info

£12.40 INC VAT
Sealey Current Tester 20A - Standard Fuse
Sealey Current Tester 20A - Standard Fuse

Fast, accurate and safe current measurement at the fuse box. Ideal for fault-finding on car and commercial vehicle electrical circuits. Features large... More Info

£12.40 INC VAT
Sealey Current Tester 80A
Sealey Current Tester 80A

Fast, accurate and safe current measurement at the fuse box. Ideal for fault-finding on car and commercial vehicle electrical circuits. Includes hold ... More Info

£64.35 INC VAT
Sealey Digital Automotive Analyser 11 Function
Sealey Digital Automotive Analyser 11 Function

Durable bi-composite case and integral stand suitable for the toughest workshop conditions. Large, hi-contrast LCD display with 34mm high digital read... More Info

£39.49 INC VAT
Sealey Digital Automotive Analyser 12 Function
Sealey Digital Automotive Analyser 12 Function

Durable bi-composite case and integral stand suitable for the toughest workshop conditions. Large, hi-contrast LCD display with 18mm high digital read... More Info

£51.35 INC VAT
Sealey Digital Automotive Analyser 13 Function with IC
Sealey Digital Automotive Analyser 13 Function with IC

Compact size meter with four-digit 22mm, high contrast LCD display and backlight. Features auto-ranging, data hold and auto-power-off functions. Inclu... More Info

£63.20 INC VAT
Sealey Digital Automotive Analyser 14 Function with IC
Sealey Digital Automotive Analyser 14 Function with IC

Extra large, hi-contrast LCD display with 36mm high digital read-out and backlight. Durable bi-composite case and integral stand suitable for the toug... More Info

£76.64 INC VAT
Sealey Digital Automotive Analyser 8 Function
Sealey Digital Automotive Analyser 8 Function

Durable bi-composite case and integral stand suitable for the toughest workshop conditions. Large, hi-contrast LCD display with 21mm high digital read... More Info

£46.60 INC VAT
Sealey Digital Tachometer Contact/Non-Contact
Sealey Digital Tachometer Contact/Non-Contact

Professional quality laser instrument for fast and accurate measurement of rotational speed with or without contact. Will also measure total revolutio... More Info

£74.27 INC VAT
Sealey Electronic Fault Finder 6-24V DC
Sealey Electronic Fault Finder 6-24V DC

Finds short and open circuits and will detect current drain. Also used to trace circuits through the loom. No need to pierce wires or make connections... More Info

£254.08 INC VAT
Sealey Electronic Stethoscope Kit
Sealey Electronic Stethoscope Kit

Super-sensitive stethoscope, suitable for detection of faults in: Engine, Transmission Cat Intake/Exhaust Manifold Fuel Injectors, Radiators ... More Info

£135.50 INC VAT
Sealey EOBD Code Reader
Sealey EOBD Code Reader

Small, powerful and advanced, the VS8700 gives users fast and easy access to any vehicle’s EOBD diagnostic codes and enables the cause of the illumina... More Info

£75.06 INC VAT
Sealey EOBD Code Reader
Sealey EOBD Code Reader

Small and powerful with features from more advanced tools on the market, the VS8702 gives users fast and easy access to any vehicle’s EOBD diagnostic ... More Info

£79.00 INC VAT
Sealey EOBD Code Reader & Reset Tool - Japanese
Sealey EOBD Code Reader & Reset Tool - Japanese

Sophisticated hand-held scanning tool enables fast and easy access to engine based EOBD DTC’s with the added versatility of reading and clearing airba... More Info

£316.19 INC VAT
Sealey EOBD Code Reader & Reset Tool - Renault/PSA
Sealey EOBD Code Reader & Reset Tool - Renault/PSA

Sophisticated hand-held scanning tool enables fast and easy access to engine based EOBD DTC’s with the added versatility of reading and clearing airba... More Info

£316.19 INC VAT
Sealey EOBD Code Reader - Memory & Graphics
Sealey EOBD Code Reader - Memory & Graphics

Sophisticated and powerful yet simple to use, the VS8701 enables fast and easy access to any vehicle’s EOBD diagnostic codes and enables the cause of ... More Info

£217.37 INC VAT
Sealey Euro Vehicle Code Reader & Reset Tool
Sealey Euro Vehicle Code Reader & Reset Tool

Sophisticated hand-held scanning tool enables fast and easy access to engine based EOBD DTC’s with the added versatility of reading and clearing airba... More Info

£225.83 INC VAT
Sealey Hand-Held Automotive Dual Channel Oscilloscope
Sealey Hand-Held Automotive Dual Channel Oscilloscope

Enables the output of a wide range of vehicle electrical and electronic components to be checked graphically against reference waveforms for rapid dia... More Info

£537.56 INC VAT
Sealey HT Tester Set 4pc
Sealey HT Tester Set 4pc

Set allows single or multiple testing. Simply fit tester between spark plug and HT lead and then run engine. Regular flashing of the testers indicates... More Info

£9.28 INC VAT
Sealey In-Line Ignition Spark Tester
Sealey In-Line Ignition Spark Tester

Tests HT supply to spark plug. Suitable for all spark ignition engines. Quick and simple fault diagnosis.Specification: Tests HT supply to spark plug.... More Info

£3.35 INC VAT
Sealey Integrated Test Light/Voltmeter 3-48V
Sealey Integrated Test Light/Voltmeter 3-48V

Test light and voltmeter in one tool. LCD meter draws minute currents making this tool safe to use around delicate electronic components. With a range... More Info

£51.35 INC VAT
Sealey IR & RF Key Fob Tester
Sealey IR & RF Key Fob Tester

Detects and confirms radio frequency and/or infrared emission from key fobs and remote controls. Helps diagnose faults quickly and easily without the ... More Info

£27.08 INC VAT
Sealey Jumper Test Lead Set 5 Pairs - 450mm
Sealey Jumper Test Lead Set 5 Pairs - 450mm

Five pairs of cables, colour-coded red, black, green, white and yellow. Each cable has shrouded crocodile clips at each end. Use as extensions to mult... More Info

£6.18 INC VAT
Sealey Lambda Sensor Tester/Simulator
Sealey Lambda Sensor Tester/Simulator

Tests Zirconia and Titania lambda sensors and ECU. Suitable for 1, 2, 3 and 4 wire sensors, heated and unheated. LED display shows crossover signal fr... More Info

£142.26 INC VAT
Sealey Lead Set 1.5mtr with Conductive Pick-Up for TL80, TL81, TL84, TL85
Sealey Lead Set 1.5mtr with Conductive Pick-Up for TL80, TL81, TL84, TL85

Inductive coupling and power lead set. Fits: TL80, TL81, TL84 and TL85.Specification: Inductive coupling and power lead set. Model No. TL80/L... More Info

£10.12 INC VAT
Sealey Lead Set 1.5mtr with Conductive Pick-Up for TL93
Sealey Lead Set 1.5mtr with Conductive Pick-Up for TL93

Inductive coupling and power lead set. Fits: TL93Specification: Inductive coupling and power lead set. Model No. TL93/08... More Info

£16.90 INC VAT
Sealey Lead Set 2.25mtr with Conductive Pick-Up for TL93
Sealey Lead Set 2.25mtr with Conductive Pick-Up for TL93

Inductive coupling and power lead set. Fits: TL93Specification: Inductive coupling and power lead set. Model No. TL93/08-2.25... More Info

£21.13 INC VAT
Sealey Mirror for VS819
Sealey Mirror for VS819

45° Clip-on mirror for VS819 and VS819900. Gives increased viewing range - ideal when using the borescope in really confined areas.Specification: 45° ... More Info

£21.98 INC VAT
Sealey Mirror for VS8191
Sealey Mirror for VS8191

45° Clip-on mirror for VS8191. Gives increased viewing range - ideal when using the borescope in really confined areas.Specification: 45° Clip-on mirr... More Info

£21.98 INC VAT
Sealey Oil & Service Reset Tool
Sealey Oil & Service Reset Tool

Designed for resetting the oil service and oil inspection lights, and for adjusting service interval data on a wide range of common vehicles. Resets a... More Info

£205.51 INC VAT
Sealey Open & Short DC Circuit Detector
Sealey Open & Short DC Circuit Detector

Find short and open circuits fast and easily. Simply attach the sender unit to the circuit and follow the wires using the detector. Ideal for automoti... More Info

£28.62 INC VAT
Sealey PP1 Auto Probe 6-24V
Sealey PP1 Auto Probe 6-24V

A brilliant tool for the auto electrician and mechanic. Carry out the following tests on systems from 6Volt up to 24Volt quickly and efficiently: Pola... More Info

£31.03 INC VAT
Sealey Software Update - EPB Tool Mercedes 1008
Sealey Software Update - EPB Tool Mercedes 1008

Update software for Sealey VS8621 and VS8622 for Mercedes with electronic parking brake.Specification: Update software for Sealey VS8621 and VS8622 fo... More Info

£47.39 INC VAT
Sealey Test Lead Kit 90pc
Sealey Test Lead Kit 90pc

Comprehensive set of test leads and components suitable for testing, isolating and evaluating automotive electronic circuits. Kit includes standard Ø4... More Info

£178.63 INC VAT
Sealey Test Lead Set 5 Pairs x 900mm
Sealey Test Lead Set 5 Pairs x 900mm

Five pairs of cables, colour-coded red, black, blue, orange and yellow. Each 1.3mm² cable has shrouded crocodile clips at each end. Use as extensions ... More Info

£13.52 INC VAT
Sealey Throttle Potentiometer Tester
Sealey Throttle Potentiometer Tester

Fast diagnosis of a common electronic fault. Simple-to-use digital meter indicates throttle position sensor output voltage. Connect to battery termina... More Info

£63.47 INC VAT
Sealey Timing Light
Sealey Timing Light

Composite cased Xenon timing light with inductive impulse pick-up. 8000rpm Maximum. Supplied with 1.5mtr coiled 12Volt power lead, inductive coupler a... More Info

£39.49 INC VAT
Sealey Timing Light Diesel Converter Box
Sealey Timing Light Diesel Converter Box

Used to detect the pulse from the fuel pipes of diesel fuel injectors. Works on most direct injection diesel engines fitted with 6mm 1/4" to 10mm 3/8"... More Info

£102.73 INC VAT
Sealey Timing Light Digital Tach/Dwell/Advance/Volt
Sealey Timing Light Digital Tach/Dwell/Advance/Volt

Composite cased Xenon timing light with inductive impulse pick-up and four-digit LED read-out. Includes mode for two-stroke and distributorless ‘lost ... More Info

£98.78 INC VAT
Sealey Timing Light with Advance
Sealey Timing Light with Advance

Composite cased Xenon timing light with inductive impulse pick-up. 8000rpm Maximum. Measures timing advance range 0-60° BTDC. Supplied with 1.5mtr coi... More Info

£48.18 INC VAT
Sealey Ultrasonic Leak Detector
Sealey Ultrasonic Leak Detector

Quick and simple location of air, water or dust leaks. Place the transmitter in the vehicle and close the doors and windows. Trace the detector around... More Info

£61.62 INC VAT
Sealey US Vehicle Code Reader & Reset Tool - Chrysler/Ford/GM
Sealey US Vehicle Code Reader & Reset Tool - Chrysler/Ford/GM

Sophisticated hand-held scanning tool enables fast and easy access to engine based EOBD DTC’s with the added versatility of reading and clearing airba... More Info

£316.19 INC VAT
Sealey VAG Code Reader & Reset Tool - EOBD & Generic
Sealey VAG Code Reader & Reset Tool - EOBD & Generic

Hand-held controller, suitable to work with VAG vehicles including those equipped with Controller Area Network (CAN) protocol. Back-lit LCD display wi... More Info

£205.51 INC VAT
Sealey Wire Piercing Guide Clip
Sealey Wire Piercing Guide Clip

Designed to guide the point of a test probe to the centre of a wire when testing vehicle wiring. Saves your fingers and eliminates the risk of damagin... More Info

£4.15 INC VAT


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