We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
OTC 3634 Vehicle Circuit Tester for 12V/6V Systems - Vehicle Circuit Testers
OTCVehicle Circuit Testers

OTC 3634 Vehicle Circuit Tester for 12V/6V Systems

The OTC Circuit Tester (MPN 3634) is a vehicle circuit tester for electrical circuits, open circuits, and shorts/grounds on 12V/6V systems. It features a stainless steel probe, (3) heavy-duty clips with positive…

SKU 3G-OTH-499698

Brand
OTC
Item
3634 Vehicle Circuit Tester for 12V/6V Systems
Part Number
3634
Category
Vehicle Circuit Testers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OTC
Manufacturer Part Number
3634
Type
Electrical Circuits/Open Circuits/Shorts Grounds, 12V/6V
Features
(3) Heavy-Duty Clips with Positive Soldered Connection
Includes
5 ft Red Twin Clip Coil Cord Lead
Tool Type
Circuit Tester
Probe Material
Stainless Steel
Compatible Voltage Systems
12V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

OTC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OTC Circuit Tester (MPN 3634) is a vehicle circuit tester for electrical circuits, open circuits, and shorts/grounds on 12V/6V systems. It features a stainless steel probe, (3) heavy-duty clips with positive soldered connections, and includes a 5 ft red twin clip coil cord lead.

Frequently Asked Questions

What is the OTC Circuit Tester 3634 used for?

The OTC Circuit Tester 3634 is used to diagnose electrical circuits, open circuits, and shorts/grounds on 12V and 6V vehicle systems. It helps automotive technicians quickly identify wiring faults without guesswork, using a stainless steel probe and heavy-duty clips for reliable contact.

What are the specifications of the OTC Circuit Tester 3634?

The OTC Circuit Tester 3634 is compatible with 12V and 6V systems. It features a stainless steel probe, three heavy-duty clips with positive soldered connections, and includes a 5 ft red twin clip coil cord lead. It is designed for testing electrical circuits, open circuits, and shorts/grounds.

Where to buy the OTC Circuit Tester 3634 worldwide?

3G Electric supplies the OTC Circuit Tester 3634 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this vehicle circuit tester.

How to use the OTC Circuit Tester 3634 for diagnosing shorts?

To diagnose shorts with the OTC Circuit Tester 3634, connect the heavy-duty clips to a known good ground and the circuit under test. Probe the wire or component with the stainless steel probe. If the tester lights up when it should not, a short to ground is present. Always follow vehicle service manual safety precautions.

Used in

Common applications for OTC
Automotive repair — OTC bearing splitters (model 1124) for removing bearings from transmission shafts
Heavy equipment maintenance — OTC hydraulic electric pump (model 4044) for powering hydraulic cylinders in press applications
Truck wheel service — OTC Budd Wheel Socket (MPN 1948A) for removing and installing lug nuts on commercial vehicles
Industrial assembly — OTC lock nut sockets (MPN 1939) for tightening SAE lock nuts on machinery
Agricultural equipment repair — OTC puller set (model 4518) for extracting gears and pulleys from tractor components
Construction equipment maintenance — OTC drive socket set (MPN 4542) for servicing metric and SAE fasteners on excavators
Not sure this is the right part? Photo-identify it

OTC Products

3G Electric supplies OTC vehicle circuit testers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from OTC

View all OTC parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first