Auto Bus Electricals of 2025
Best Choice1
DUOYIDUOYI OBD2 Breakout Box Can Bus Breakout Box with LED Light Auto OBDII Protocol Detector 16-Pin OBD2 Breaker Box Automotive Electrical Diagnostic Tools Can Bus Analyzer with 35inch Cable
Main highlights- 【OBD2 breakout box With Pass-Through Feature】OBD2 breakout box is a car diagnostic tool with pass-through function, which can connects inline between your OBDII diagnostic port and your ODB 2 reader or other ODB 2 device for effective and safe monitoring signals of protocol, power and grounds, and you can also use it to charge scanning tools via the ODB II port. Additionally, the breakout box can also be connected to a multimeter or oscilloscope for further detection of unconfirmed signals.
- 【Note】Do not place a jumper between the power pin 16 and ground pins 4 and 5; Do not use this tool to power up a load devices exceeding 1 amp; Do not jumper pins together without understanding the circuits.
- 【LED Indicator】Breakout box is designed with LED indicators that you quick visual indicators of the state of each data line plus power and ground via led lights.When vehicle body is properly grounded,Green LED of pins 4 and 5 will be on;when the power supply is normal,Red LED of pin 16 will be on;when the decoder communicates with the vehicle,pin 2 or 6/7/10/14/ 15 has signal waveform.Breakout box makes it super easy to test for good connections at the pins without dealing with finicky probes.
- 【Detect CAN bus/K-line/L-line/PWM Protocol Line】OBD2 breakout box works great for communication line diagnoses, which not only helps you see the OBD signals as they are operational, but also detect some diesel signals, such as CAN bus, K-line, L-line and PWM protocol line. You can place this OBD2 breakout box between your diagnostic tool and your vehicle, which makes bus can and K-line diagnostics easier.
- 【16 pins OBDII Interface & 90cm Cable】OBD interface of the detector adopts a 16 pins design,the input jack layout fully emulates the 16-pin layout of the OBDⅡ interface,allowing more tests to be performed quickly and intuitively,you can have quick access to all 16 pin connections during vehicle service and diagnostics.You do not need to directly operate the pins of the OBDII interface.The cable length of the OBDII data line detector is 90 cm,which makes the device connection more convenient.
- 【16 Standard 4mm Banana Sockets & Male and Female Connectors】The built-in input jack of the OBD2 breakout box can connect any type of 4mm banana plug, you can connect a multimeter or oscilloscope to any jack to check voltages or signal levels. OBD2 breakout box has male and female connectors for connecting the car OBDII system and the scan tool, so that after you connect the scan tool, you can also detect each pin on the connector through the breakout box.
9.7Exceptional
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Value for Money2
RED WOLFRED WOLF 12V 150A Power Distribution Block 4 Post 5/16" Stud Busbar M8 Terminal Bus Bar 12-48 Volt DC Battery Junction Post for Auto Boat Marine Solar System Positive Negative
Main highlights- Specification: Stud size: 5/16"(M8) dual stud; Max voltage: 48V DC; Max continuous amperage: 150A DC; The battery distribution block rated 150A when work in 12v supplier circuit, while rated 37A when work in 48V circuit
- Protect Covers: Each power distribution block bus bar comes with a protective cover and two nuts, which helps to cover as much of the exposed surface as possible to minimize the risk of accidental contact, prevent short circuits, and enhance the safety of the circuit
- Premium Quality: Power distribution block well-designed and well-protected with covers; Professional material designed, M8 stud and bus bar plate respectively are made of steering steel & tin-plated copper plating w/flame retardant nylon base
- Function: M8 dual stud blocks enable the utilization of one or multiple connections and wires to terminate heavy-duty cables, akin to battery junction posts used for battery power and ground connectionsl Keeping electrical components, batteries and cables safe and free from moisture, and also prevents solder from leaking during installation
- Clean Up Wiring: Marine bus bar helps clean up numerous connections and keep wiring clean and safe; Robust 12 V terminal block come in pairs, includes one positive bus bar (red) and one ground bus bar (black)
9.6Exceptional
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3
WUPP20% OffWUPP 12 Volt Fuse Block, Waterproof Boat Fuse Panel with LED Warning Indicator Damp-Proof Cover, 6 Circuits with Negative Bus Fuse Box for Car Marine RV Truck DC 12-24V
Main highlights- UNIVERSAL PROTECTION: The input rated voltage of the fuse box is 32V,and the input rated current is 100A.Each circuit outputs a maximum current of 30A. All bus bars and fuse pieces are nickel-plated copper, corrosion-resistant and highly conductive.
- SAFE MATERIAL: PBT flame retardant material base,good mechanical strength and high temperature resistance. It is insulated, heat resistant and flame resistant. There will hardly cause any issue like produce fracture, deformation, combustion or short circuit phenomenon.
- QUICK FIX: When the current or voltage exceeds the rated limits, the fuse will automatically blow. Each load is equipped with an LED indicator to signal whether a circuit has shorted or if the fuse has blown, allowing for easy identification and replacement. However, it is important to note that there may still be voltage present across the circuit even in the absence of a fuse; this occurs because the fuse box contains its own lighting circuit, which introduces resistance and consequently displays some voltage.
- FREE BLADE FUSES: 6-Way Package includes: 20A Fuse*4, 15A Fuse*4, 10A Fuse*2, 5A Fuse*2, Labels*2, Screws*4
- ENSURE NEAT WIRING: Rather than cluttering your battery terminals with a tangle of wires and fuse holders, the WUPP 12-volt fuse block and ground bus kit provides six dedicated fuses and six grounding points to maintain an organized, clean, and easily accessible wiring system. This simplifies the process of wiring electronics in your vehicle or boat.
9.4Excellent
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4
RVBOATPATRVBOATPAT Power Distribution Block 12V 150A 1/4" Stud Marine Bus Bar 12 Volt DC Battery Busbar for Boat Automotive Solar Wiring
Main highlights- Wide Application: Using the battery bus bar for wiring can keep the circuit neat and tidy, reducing the possibility of short circuit. Suitable for car, caravan, boat, yacht, solar system, etc
- What You Get: 1 x positive 12 volt bus bar, 1 x ground 12 volt bus bar, 2 x covers, 2 x 2 AWG 1/4" copper lug and 24 x terminals
- Unique Design: 12 stainless M4 terminal screws, 1 x 1/4" (M6) terminal stud & nut for easy installation and route your wires with minimal effort
- Product Advantage: Thick tinned copper plate busbar, base is made of high quality ABS material, which is mechanically strong, insulated, heat resistant and flame resistant, durable made for safety use
- Heavy Duty: This 12V bus bar can handle max operating voltage 48V DC , max continuous amperage: 150A
9.2Excellent
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5
Seamaka250A 12V Bus Bar Marine Power Distribution Block with Cover with 4 x 3/8”Post 3 x #8 Screws Terminals,Battery Bus Bar (Pair,Red & Black),Automotive Busbars 12 Volt for Car Boat Solar Wiring
Main highlights- Scope of application: Using battery bus bars for wire management and wiring can make circuit wiring neat and prevent electrical short circuit; Widely used in automobiles, automobiles, trucks, ships, boats, yachts, etc
- Product features: 3mm copper busbar is thicker than other 2.0mm brass busbars and can withstand 250A actual current; The bus bar is very firm and will not fall off, and the exposed areas on both sides allow 180 installation
- Parameter: Maximum voltage: 300V AC, 48V DC, and maximum current: 250A
- Packaging: One red terminal: 4 x 3/8 inch (M10) with screws: 3 x #8 battery bus bar, one black terminal: 4 x 3/8 inch (M10) with screws: 3 x #8 battery bus bar
- Material: The bus bar is composed of brass bottom plate and 304 stainless steel screw terminals, which is not easy to rust; The protective sleeve and base are made of nylon, which is flame retardant, can prevent electrical short circuit and is safer
9.1Excellent
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6
PSEQTPSEQT 12 Way Blade Fuse Block with Negative Bus ATC/ATO Waterproof Marine Automotive Fuse Box Standard Circuit Holder Panel for Auto Boat Yacht Vehicle Auto RV Car Trailer Truck SUV
Main highlights- Selected Quality: Made of PBT material, has high mechanical strength, good insulation, heat and flame resistance. It hardly causes any problems such as cracking, deformation, burning or short circuit
- Feature: When the current is too high or the wire shorts, the fuse will blow to avoid potential safety hazards. 70 labels are provided, you can quickly find which device has the problem
- Easy to Install: Two screw holes at both ends of the bus bar, use 4 screws to fix it in place. Fit for Car, Trailer, Truck, RV, Motorhome, Van, etc
- Application: Widely used for all vehicles, vessels, devices or other electrical applications. One-to-one positive and negative wiring keeps wiring on boats and cars neat and orderly. Maximum of 20 Amp per circuit & 75 Amp per panel
9.0Excellent
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7
PSEQTPSEQT 6 Terminal Bus Bar Ground Power Distribution Terminal Block Bus Bar with Cover for Auto Marine Car Pickup Trailer RV Boat - Red & Black 2Pcs
Main highlights- Wide Application: Widely used for car, pickup, Trailer, RV, motorcycle, recreational vehicles, truck, Van, caravan, yacht, boat, etc. 6-position single-row busbar provides neat and clean finish for any installation in your boat or car, perfect for all your electrical wiring projects. Easy to install, use M4 screws to fix it in place
- Safety Quality: Nickel-plated copper busbar contact plate has low resistance, maximum conductivity and anti-corrosion protection. High temperature resistance, abrasion resistance, and safer use. 6 terminal bus bars are ideal for car and marine boat wiring, helping to organize and clean up messy wiring, suitable for all types of power and ground distribution
- Main Parameters: A pair of red & black base 6 screw terminal power distribution block with ring terminal and cover, wide range of use to protect your safety. Max voltage: 300V AC/48V DC; Continuous Rating: 130A AC/150A DC. Terminal Screw: M4 x 6; Terminal Stud: M6 x 2
- Excellent Accessories: Transparent polycarbonate cover adds extra protection, fireproof and dustproof, and protection from accidental touch. Environmentally friendly flame-retardant nylon base has best mechanical strength and durability. Stainless steel studs and screws are anti-rust and anti-corrosion, suitable for any environment
8.9Very Good
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8
GLOSOGLOSO Circuit Breakers Stud Bolt Type for Truck Bus RV Automotive Motorcycle No Bracket Metal Cover Auto Reset (T1) - 3 Pack (50A) E511
Main highlights- [Specification] - Stud type circuit breakers voltage 14V DC, 5A, 6A, 10A, 12A, 15A, 20A, 25A, 30A, 40A, 50A for selection. It is designed to protect the system from circuit problems caused by short circuits, wiring errors, equipment failures, or other high current events.
- [Save money] - Stud type circuit breakers can be reused. After the circuit is repaired, there is no need to replace it with a new fuse.
- [Function] - Stud type circuit breakers provides circuit protection in case of circuit overload or short circuit. Prevent cars from damaging electronic devices due to excessive current
- [Automatic Reset] - Stud type circuit breakers has a cut-off value. When the current reaches the cut-off value of the circuit breaker, it will automatically disconnect the circuit. At this time, it is necessary to cut off the power supply and check the circuit in a timely manner, because after a period of time, the circuit will automatically close.
- [Application] - Stud type circuit breakers are widely used in automotive video systems, buses, trucks, ships, tractors, and yachts, as well as auxiliary circuits for ship electrical control
8.7Very Good
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9
PIT66PIT66 300A 48DC Heavy Duty Bus Bar, Power Distribution Box with 4 x M8 (5/16") Studs, 4 Way Module Bus Bar Terminal Block 12 Volt Fit for Automotive Car RV Marine Solar and Electrical Equipment, Red
Main highlights- Wide Application: 300A 48DC heavy duty bus bar Suitable for a wide range of power systems,it‘s ideal for automotive, car, truck, marine, boat, RV, solar energy, and other electrical equipment etc
- Premium Material: Distribution block is made of brass and nickel-plated for excellent conductivity and durability. The housing is made of fiberglass and nylon, which prevents damage and corrosion, prolonging the service life of the equipment while ensuring stability and safety during operation.
- Fitment: Bus bar compatible with 12V, 24V, 48V DC power system,maximum rated amperage 300A w/ M8(5/16") terminal studs (also available in M10)
- Excellent Workmanship: Manufactured by advanced technology and implemented strict quality control measures, ensuring excellent performance and quality
- Easy to lnstall & Use: Bus bars are fixed with screws , easy and quick to install and remove. Removable windows for unobstructed wiring , top blank for adding labels to each branch , easy to maintain and manage
8.6Very Good
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10
ONLINE LED STORE12% OffONLINE LED STORE True Mods 4" Power Distribution Terminal Block Battery Bus Bar [Max. 300V AC/48V DC] Positive Insulated Busbar for Auto Marine Car Trailer RV Boat - Red
Main highlights- YOU'RE COVERED - What's the first thing that always breaks on a busbar? The cover. They're usually thin, rigid, and brittle. Not these covers. Our covers are flexible, flame-resistant, and aren't held on by tiny, breakable clips or easy to lose nuts.
- WORKS WITH YOU, NOT AGAINST YOU - Extra tall cover cutouts give you maximum flexibility with minimal effort. Use whatever gauge wire you need, route your wires from either side, double-stack wires if necessary, the covers will still fit.
- TRULY UNIVERSAL - Whether your working on a boat, a car or an RV, we've got you covered. Built to handle up to 300V AC, 48V DC, and 150A at 32V DC (4,800W), these power distribution blocks are ideally suited for all of your power needs.
- START WITH THE BEST - Every successful project starts with a solid foundation. These sturdy junction blocks feature a robust, tin-plated brass busbar, a flame-resistant base, and durable stainless steel hardware.
- SIMPLE - Sometimes "more options" just means more difficult. Our 6 terminal, 4-3/4? busbar gives you everything you need without overcrowding your system, or your patience.
8.3Good
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