
The 120Ω Reading on Pins 6 & 14: The CAN Bus Termination Fault Most Techs Misdiagnose
You know the drill. Communication drops. The dash lights up with a symphony of U-codes, then goes quiet. You grab your multimeter and probe the OBD-II port—Pin
Manufacturer & Supplier
Automotive wiring harnesses/ OBDII J1962 connectors/ J1708 and J1939 connectors/ customized automotive parts.
All products are manufactured in strict compliance with approved drawings (DWG) and reference samples. Each unit undergoes 100% testing prior to packaging.

Wholesale | OEM | ODM

Wholesale | OEM | ODM

Wholesale | OEM | ODM

Wholesale | OEM | ODM
Check out our popular products to win more market share.
Our products are widely used across multiple industries, including automotive, consumer electronics, aviation, medical devices, aerospace & defense, energy & power, rail transportation, marine & specialty vehicles, industrial applications, and consumer markets.
Shenzhen Carsun Electronic Technology Co., Ltd specializes in the R&D, manufacturing, and sales of high-quality connectivity solutions, supported by comprehensive technical services. Our product portfolio includes automotive connectors (OBD2/J1962), diagnostic cables, medical equipment cables, and a wide range of industrial cables for communications, networking, power transmission, HDMI applications, and custom wire harnesses.
As a leading Chinese manufacturer, we serve diverse industries including automotive, medical devices, power systems, telecommunications, security, and consumer electronics. All products are rigorously produced in compliance with ISO and RoHS standards. Through advanced forecasting and inventory management, we maintain an exceptional on-time delivery rate.
No Drawing? No Problem!
If you don’t have a detailed drawing, don’t worry. We can work with a description, hand sketch, or pin-out table to create a manufacturing drawing and provide you with a quotation. Our team is here to make the process as seamless as possible for you.
We are an ODM/OEM manufacturer with deep expertise in wire harness and cable assembly solutions since 2005.
With over two decades of expertise in manufacturing automotive repair equipment, OBD-II cables, wiring harnesses, and related solutions, CARSUN’s products meet stringent global certifications, including CE, RoHS, FCC, ISO 9001, ISO 14001, IATF 16949, and SGS compliance.
Our solutions serve a broad range of industries, such as aviation, automotive, industrial automation and machinery, communications and data centers, medical devices, aerospace & defense, energy & power, and consumer markets.










We provide OEM and ODM services tailored to customers’ needs. Our wire harnesses and cable assemblies are widely used in industries such as UAVs, medical devices, automotive, automation equipment, power systems, industrial machinery, home appliances, and consumer electronics. Our products are exported to the United States, Europe, Japan, South Korea, and other countries and regions.
Samples are available. OEM and ODM services are welcome,
including design, engineering, prototyping, sampling, and production.
Our products are certified by UL, CSA, CCC, IATF 16949, ISO 9001,
ISO 14001, CE, RoHS, REACH, SGS, and more.
You can make payments via T/T, Western Union, or credit card
through PayPal, which provides full buyer protection.
Sample orders are processed within 1–5 days, while mass
production orders take 10–21 days, depending on quantity, OEM requirements, and other factors.
No MOQ required — we gladly accept all order sizes and offer
wholesale and drop-shipping services.
Before production, we provide a sample to the customer for approval. We have IQC to control the quality of incoming materials, IPQC to monitor in-process products, and 100% FQC to inspect every finished product.
Stay ahead in the competitive cable&harness products market.
Download our latest brochures to check out the hot selling cable products on market.

You know the drill. Communication drops. The dash lights up with a symphony of U-codes, then goes quiet. You grab your multimeter and probe the OBD-II port—Pin

Your multimeter gives you a number. This table translates it into your first actionable clue—before you even open a wiring diagram. Reading (Powered Off) Likely

Two years ago, a diagnostic case landed in our lab: a bundle of wiring harnesses pulled from fertilizer spreaders, all failing with intermittent CAN bus
We are certified with IATF 16949 for the automotive industry, as well as CE, REACH, RoHS, UL, SGS, ISO 13485, ISO 9001, ISO 14001, and ISO 45001 certifications.
We offer both OEM and ODM services tailored to our customers’ specific needs. Our wire harnesses and cable assemblies are widely used in various industries, including UAVs, medical devices, automotive, automation equipment, power systems, industrial machinery, home appliances, and consumer electronics. Our products are exported to the United States, Europe, Japan, South Korea, and other countries and regions around the world.
Carsun®️ is a professional manufacturer of R&D, Production, and Marketing (3 in 1) in home automation and 14years-oversea sales experience.
Complete product with HD-Camera: 80,000pcs/Month.
For EU / US order, by local express about 1-3 days.
For small order, by air express like DHL, UPS, TNT, FedEx ,Aramex and etc, about 3-7 days.
For big order, by air about 7-12 days, by sea about 15-35 days.
Warranty is 14 months, life-time maintain!
0 Risk Policy: return within 7 days for any dissatisfaction.
Our raw materials are sourced from qualified suppliers and comply with standards such as ISO9001,ISO14001, IAFT16949,UL and RoSH. We have a strong quality control team that ensures product quality in accordance with AQL standards.
At Carsun, We turn complex into simple! Follow the following 3 steps to start today!
Tell us as specific as possible of your needs, provide the model name of products, drawing, reference picture and share your idea.



Contact us to get a free quote and more expertise about custom or wholesale Cable &Harness supplies. Your request will meet a right solution at Carsun.

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