£99.89

This is the usual price. Wait for it to drop, or tell us your number.

£100 today · usual range £64–£133 · best ever £64

Relay Buddy Super Relay Buddy - 12V Automotive Relay Tester

Amazon

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 55 days · 55 data points (no recent data)

Historical
Generating forecast…
£132.63 £56.64 £73.22 £89.80 £106.38 £122.96 £139.54 18 July 2026 31 July 2026 14 August 2026 27 August 2026 10 September 2026
View at Amazon ↗

Green,red,yellow, 194

Price data last checked 36 day(s) ago - refreshing...

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↑ Price chart
when this has been cheap or pricey
↑ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price Distribution

Price distribution over 55 days • 4 price ranges

Days at Price
Current Price
11 days 19 days 11 days · current 14 days 0 5 10 14 19 £64-77 £77-91 £91-105 £119-133 Days at Price

Price Analysis

Most common range: £77-91 (19 days, 34.5%)

Price range: £64 - £133

Price levels: 4 price ranges over 55 days

Description

Stop guessing when it comes to automotive electrical issues. The Super Relay Buddy by Relay Buddy is a next generation diagnostic tool designed to identify faulty 12 volt relays with precision. Unlike basic testers, this device applies a heavy 7+ amp load to the relay to detect excessive voltage drop. This high-load testing method is essential for flagging relays that fail intermittently under real-world conditions. Operating with full automation, the device performs a rigorous 10 cycle test to verify the actual condition of the relay. The user-friendly interface provides clear, color-coded results: Green for Pass, Red for Fail, and Yellow for Pass with caution. This allows you to make informed decisions quickly during repairs. This tester offers wide coverage, capable of checking 7 different 12 Volt relays on its own. Please note that this product is designed for relays with standard SAE wiring only. Before purchasing, ensure your relay matches the images provided in the listing to verify compatibility. Reliability and accuracy make this an essential tool for any automotive technician looking to solve electrical problems effectively.

Key Features

Detects intermittent failures by applying a full 7+ amp load to find excessive voltage drop that standard testers might miss.

Provides clear color-coded feedback with Green for Pass, Red for Fail, and Yellow for Pass with caution to simplify diagnostics.

Features a fully automated 10 cycle test sequence to thoroughly verify the consistent performance and condition of the relay.

Offers versatile testing capabilities by checking 7 different 12 Volt relays using the device alone.

Designed for efficiency with an improved testing method that finds bad relays effectively to save time during automotive repairs.

Compatible with relays featuring standard SAE wiring; please check relay schematics and listing images to verify coverage.

Product Specifications

Model
194
Colour
Green,red,yellow
Domain
Amazon UK
Listed Since
16 September 2022

Barcode

No barcode data available

Similar Products You Might Like

ESI 192 Black 2.5" x 5" 12/24V Diagnostic Relay Buddy
98% match

ESI 192 Black 2.5" x 5" 12/24V Diagnostic Relay Buddy

Relay Buddy

£20.76 26 Sep 2026
ES 191A Relay Buddy Pro Kit - Automotive Relay Tester
98% match

ES 191A Relay Buddy Pro Kit - Automotive Relay Tester

ES

£184.53 08 Sep 2026
Lisle 60660 Deluxe Relay Test Set
98% match

Lisle 60660 Deluxe Relay Test Set

Lisle

£155.51 08 Oct 2026
Tenma TEN01048 Automotive Relay Tester, Green,Red
97% match

Tenma TEN01048 Automotive Relay Tester, Green,Red

TENMA

£10.17 10 Sep 2026
KS Tools 150.1755 12V Relay-tester
97% match

KS Tools 150.1755 12V Relay-tester

KS TOOLS

£48.93 11 Oct 2026
Laser 5562 Automotive Relay Tester
97% match

Laser 5562 Automotive Relay Tester

Laser

£69.98 11 Sep 2026
Lisle 69300 Master Relay Test Jump Set - Automotive Kit
97% match

Lisle 69300 Master Relay Test Jump Set - Automotive Kit

Lisle

£185.39 12 Sep 2026
ELEGOO 4 Channel Relay Module DC 5V - Arduino Compatible
97% match

ELEGOO 4 Channel Relay Module DC 5V - Arduino Compatible

ELEGOO

£6.59 05 Aug 2026
Relay Tester with Clips - 12V Automotive Diagnostic Tool
97% match

Relay Tester with Clips - 12V Automotive Diagnostic Tool

Generic

Price unavailable
HELLA 5WG 002 450-121 Relay, wipe-/wash interval - 24V - 6-pin connector
97% match

HELLA 5WG 002 450-121 Relay, wipe-/wash interval - 24V - 6-pin connector

HELLA

£57.44 26 Aug 2026
Lisle 60610 Relay Test Jumper Kit II
97% match

Lisle 60610 Relay Test Jumper Kit II

Lisle

£64.58 11 Sep 2026
Draper 24692 12V/24V Automotive Relay Tester with Adaptor
97% match

Draper 24692 12V/24V Automotive Relay Tester with Adaptor

Draper

£45.71 02 Sep 2026
Bosch 0986332086 Power Relay 12V 150A, IP5K4, Operating Temperature from -40 Degree to 100 Degree C, 5 Pin Relay
97% match

Bosch 0986332086 Power Relay 12V 150A, IP5K4, Operating Temperature from -40 Degree to 100 Degree C, 5 Pin Relay

Bosch

£40.55 26 Sep 2026
HELLA 4RV 008 188-631 Relay, glow plug system - 12V
97% match

HELLA 4RV 008 188-631 Relay, glow plug system - 12V

HELLA

£47.91 27 Aug 2026
Electric Relays: Principles and Applications (Electrical and Computer Engineering)
96% match

Electric Relays: Principles and Applications (Electrical and Computer Engineering)

CRC Press

£163.00 07 Sep 2026
Legrand 004745 ZR Passing Make Contact
96% match

Legrand 004745 ZR Passing Make Contact

Legrand

£71.29 28 Aug 2026
Bosch 0333300003 Power Relay 12V 75A, IP5K4, Operating Temperature from -30 Degree to 100 Degree C, 2 Pin Relay, battery Relay
96% match

Bosch 0333300003 Power Relay 12V 75A, IP5K4, Operating Temperature from -30 Degree to 100 Degree C, 2 Pin Relay, battery Relay

Bosch

£232.88 08 Sep 2026
Lisle 56810 Relay Test Jumper Kit
96% match

Lisle 56810 Relay Test Jumper Kit

Lisle

£59.09 11 Sep 2026
ACDelco GM 15016745 Original Equipment Multi-Purpose Relay
96% match

ACDelco GM 15016745 Original Equipment Multi-Purpose Relay

GM GENUINE PARTS

£43.12 02 Sep 2026
ABB RB121P-5V DC Interface Relay R600 1c/o, A1-A2=5V DC, 5-250V AC/60mA-6A (ABB1SNA645034R2300)
96% match

ABB RB121P-5V DC Interface Relay R600 1c/o, A1-A2=5V DC, 5-250V AC/60mA-6A (ABB1SNA645034R2300)

ABB

£63.56 06 Oct 2026
ABB RB121G-24VUC Interface Relay R600 1c/o, A1-A2=24V AC/DC, 5-250V AC/10mA-6A (ABB1SNA645005R0700)
96% match

ABB RB121G-24VUC Interface Relay R600 1c/o, A1-A2=24V AC/DC, 5-250V AC/10mA-6A (ABB1SNA645005R0700)

ABB

£49.91 06 Oct 2026
HELLA 5WG 002 450-291 Relay, wipe-/wash interval - 24V - 6-pin connector
96% match

HELLA 5WG 002 450-291 Relay, wipe-/wash interval - 24V - 6-pin connector

HELLA

£40.03 14 Oct 2026
Voltage test relay 3-phase 1P 10A 150-210/230-260V AC CP-730 f&f 5908312597308
96% match

Voltage test relay 3-phase 1P 10A 150-210/230-260V AC CP-730 f&f 5908312597308

F2

£61.15 12 Oct 2026
ABB RB121-230VUC Interface Relay R600 1c/o, A1-A2=230V AC/DC, 5-250V AC/60mA-6A (ABB1SNA645004R0400)
96% match

ABB RB121-230VUC Interface Relay R600 1c/o, A1-A2=230V AC/DC, 5-250V AC/60mA-6A (ABB1SNA645004R0400)

ABB

£60.87 05 Oct 2026