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FREE SHIPPING FOR ORDERS OVER $99
List: $59.95
(0) DIGITAL CIRCUIT TESTER 3-30V WITH 4MM ADAPTER
MD3304

Probe is insulated to prevent the possibility of shorting the side of the probe to other components. Heavy-duty alligator clamp for secure connections. 360° visibility of polarity... View Details

List: $87.95
(0) DIGITAL CIRCUIT TESTER 3-49V WITH 4MM ADAPTER
MD3494

Heavy-duty circuit tester with digital LCD display to accurately show DC voltage. Probe is insulated to prevent the possibility of shorting the side of the probe to other components. 12' coil cord and heavy-duty alligator clamp for secure connections... View Details

List: $51.95
(0) HYBRID CIRCUIT TESTER, 12-42V
MD1651

Tests standard automotive electrical DC 12-42V circuits. Safe for low current circuits and hybrid vehicles. Automatic voltage identification featuring blue for under 40V and red for over 40V... View Details

List: $35.45
(0) HEAVY-DUTY CIRCUIT TESTER/JUMPER, 12V
CTJ329

Heavy-duty circuit tester for checking low voltage up to 12V. Tester becomes a jumper for powering electrical components or as a ground. Probe, handle, cord and clamp are reinforced for durability... View Details

List: $82.95
(2) DIGITAL CIRCUIT TESTER, 6-24V
MD1674

LCD display provides "no guess" accurate voltage reading for 6, 12 and 24V circuits. Tester will light up red for power and green for ground during testing. Resolution: 0.1V... View Details

List: $36.45
(1) CIRCUIT TESTER, 6-24V
MD1668

Tests standard automotive electrical DC 6-24V circuits. When black ground clip is clamped to a suitable earth point and contact tip is placed onto testing sample, test bulb will glow if current is present. Heavy-duty, stainless steel probe with insulated shaft... View Details

List: $51.95
(3) PROFESSIONAL CORDLESS CIRCUIT TESTER
CT80

Detect DC voltages from 3 to 28V. Indicates detection with an LED light, sound and vibration. High impedance, computer/sensor safe... View Details

List: $4.95
(0) BULB FOR MD1668 AND MD1669
N016D

Replacement bulb for circuit testers. View Details

List: $48.45
(0) LED CIRCUIT TESTER, 6-12V AND 24V
MD1646

Checks high and low voltages on 6-12V and 24V circuits. Connect the red lead to a power source and the black lead to a ground source. Tester will light up red for power and green for ground during testing... View Details

List: $93.45
(0) DIGITAL CIRCUIT TESTER, 12-48V
MD1675

LCD display provides "no guess" accurate voltage reading for 12, 24 and 48V circuits. Tester will light up red for power and green for ground during testing. Great for heavy-duty and hybrid vehicles... View Details

List: $35.45
(0) CIRCUIT TESTER, 24V
CT24

Insulated probe with shrink tubing prevents shorting the side of the probe to other components. Features incandescent bulb. View Details

List: $24.95
(2) HEAVY-DUTY CIRCUIT TESTER, 6 AND 12V
27000

Tests standard automotive electrical DC 6 and 12V circuits. Features heavy-duty battery clip and 5' of tough, flexible, heavily insulated rubber wire to withstand rugged use. View Details

List: $28.95
(0) BULB FOR MD120
MD120B10

10-pack of replacement bulbs for MD120 Truck Circuit Tester. View Details

List: $48.45
(0) CIRCUIT TESTER WITH CLIP, 6-24V
MD1669

Tests standard automotive electrical DC 6-24V circuits. When black ground clip is clamped to a suitable earth point and contact tip is placed onto testing sample, test bulb will glow if current is present. Needle point probe for easy back probing and piercing... View Details

List: $15.95
(0) CONTINUITY TESTER WITH LED BULB
M26330

Checks to see if wires, fuses, switches and other electrical systems will carry current. This is not a circuit tester; do not use on live circuits. The A23 battery provides the current necessary for testing... View Details