Page 42 - Q1 2025 Stephenson Equipment Catalogue

DIAGNOSTIC & TESTING SERVICE TOOLS

Circuit Testers/Volt Testers

GTC-CT8002 $36 95 AST-7762 $44 85
Professional Cordless Locking Pliers
Computer-Safe Circuit Tester, Circuit Tester Light
3-28 Volt DC • A simple test light with locking pliers
• Safe to use around automotive computers, ground clamp
electronics, ECM’s, sensors and air bags • Lock onto grounds easier without
• No ground or clip required them easily ripping off
• Safety V-groove needle accessory for piercing Made in • 12 ft. recoil ground cord
• Visual, sound and vibration indicators Canada • Wire O.D: 4mm • Bulb: 12V3W • Amp: 0.45A

ATD-55045 $65 25
3-48V Digital Circuit Tester
• Large, backlit LCD display for voltage readings
• Checks electrical circuits on all
3-48 Volt vehicle systems AST-7764 $53 75 AST-7767 $45 55
• Impedance rating 200-400 ohms
• 12 ft. coiled test lead Digital LCD 3-48V Wide Range Positive and
Wide Range Ground Circuit Tester
Circuit Tester • Works on 6, 12, 24 & 48V DC systems
ATD-5624 $28 55 • Computer safe with back lit • 4-60V range, 0.1V resolution
LCD display
• Small testing current < 10mA
6/12 Volts Heavy Duty for accurate voltage readouts • 10 ft. spring cable
Circuit Tester
• Cord stretches up to 10 ft.

ATD-55042 $48 45
12/42 Volts Hybrid
Circuit Tester
• Computer and air bag safe
• Automatic voltage identification:
Blue LED for 12V and Red LED for 42V
• Cord stretches up to 12 feet SGT-27000 $13 65 SGT-27300 $23 05
“Lifetime” 6 & 12 Volt 6 & 12 Volt Heavy Duty
Heavy Duty Circuit Tester Circuit Tester
• 5 foot flexible, insulated cord • 12 foot retractable wire
LIS-28800 $156 85
3-30 Volts DC
Dual Polarity Digital
Test Light with Load Tester
• Works as a regular test light and when
you push the button on the tool it applies an 800mA load at 12V
DC to easily check for voltage drop on circuits
• 48" cord with heavy-duty alligator clamp for secure connections
• Not computer safe with load applied. Not for use on airbags.
SGT-28100 $26 15 SGT-28200 $50 15
LIS-27430 $28 85 Computer Safe 12/24/42 Volt
Circuit Tester
Automotive Logic Probe
24 Volt Heavy-Duty • For 6, 12 and 24 volt systems • Computer safe
Circuit Tester • 6 ft. of heavy duty, 18 gauge dual leads • Wire stretches to 10 feet
• Works on any circuit up to 28 volts
including many heavy duty applications
on large trucks and farm implements SGT-28350 $81 75
6/12/24/48 Volt
LIS-32150 $33 55 Circuit Tester
• Measures from 4 to 60 Volts DC
Power/Ground Outlet • 11 foot retractable wire
• Provides a convenient electrical ground • Computer safe - draws less
and power source from the vehicle than 10 milliamps at 12 volts

42 | April – June 2025