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Item #:
94047407
One Wire Alternator Replacement for 100 Amp 1 Wire 10SI Self-exciting SBC BBC GM High Output
Item #:
94047407
GMD 6328
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If all you hear when starting your car is a click-click sound, your alternator is probably dead on you. ROADFAR alternator is built especially for extremes of heat and cold, performance lasts longer and runs more reliably.
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What Stands Out
High Output Power
Delivers 100 amps of electricity, ensuring robust power supply for your automotive needs, catering especially to demanding SBC and BBC setups.
Easy Installation
Designed for one-wire connections, allowing quick and hassle-free installation without extensive wiring modifications, saving time and effort for mechanics and enthusiasts.
Self-Exciting Operation
Features self-exciting technology that eliminates the need for external ignition sources, ensuring efficient performance and reliability in diverse driving conditions.
Product Details
| Item Weight | 9 lbs (4.08 kg) |
Who Should Buy?
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Classic Car Enthusiasts
Ideal for classic car restorations needing a reliable, high-output alternator with a straightforward, single-wire installation.
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High-Power Accessories
Users with upgraded audio systems or electronic accessories can benefit from the alternator's ability to sustain higher demands.
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DIY Mechanics
Perfect for home mechanics looking to simplify their installations while improving electrical performance in their vehicles.
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Modern Vehicles
Not suited for modern cars with complex electrical systems needing multi-wire connections for optimal performance.
Product Description
One Wire Alternator Replacement for 100 Amp 1 Wire 10SI Self-exciting SBC BBC GM High Output
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is a One Wire Alternator?
Answer: A One Wire Alternator is a type of alternator designed for simplicity in installation and operation. It has a single wire for connection to the battery, which allows it to self-excite and generate power once the engine is running. This setup eliminates the need for additional wiring or external regulators, making it particularly suitable for custom builds and older vehicles. It's widely used in SBC (Small Block Chevy) and BBC (Big Block Chevy) applications, ensuring high output while maintaining a clean engine bay. -
Question:
What vehicles is the 100 Amp 1 Wire 10SI suitable for?
Answer: The 100 Amp 1 Wire 10SI alternator is compatible with a variety of high-performance SBC and BBC engines, commonly found in classic cars, hot rods, and racing vehicles. This alternator is ideal for those who have upgraded their electrical systems to support additional accessories like high-powered lights, sound systems, or electric fans. The powerful output ensures that all components operate efficiently without straining the electrical system. -
Question:
How does a self-exciting alternator work?
Answer: A self-exciting alternator, like the 100 Amp 1 Wire 10SI, automatically starts generating power without needing an external power source for excitation. When it's connected to the battery and the engine begins to run, residual magnetism in the rotor creates a voltage in the stator windings, which results in a current that strengthens the magnetic field. This feature streamlines installation and makes the system more reliable, particularly in situations where space is limited or complications arise from a traditional dual-wire setup. -
Question:
What are the advantages of a high output alternator?
Answer: High output alternators, like the 100 Amp version, provide increased electrical power, which is essential in performance vehicles equipped with multiple electronic accessories. This ensures that all components, including lights, sound systems, and cooling fans, receive sufficient power. It enhances the overall performance and reliability of your vehicle's electrical system, making it particularly beneficial for those who frequently drain their battery or use high-demand devices while driving. -
Question:
Is installation of the One Wire Alternator challenging?
Answer: The installation of a One Wire Alternator is generally straightforward due to its simple wiring setup. You only need to connect one wire to the battery, eliminating the complexity of multiple connections. However, it is essential to ensure the alternator is mounted securely and the belt tension is adequately adjusted. If you are unfamiliar with automotive electrical systems, consulting a professional or referring to installation guides can ensure a proper setup that maximizes performance. -
Question:
Can I use this alternator for modified engines?
Answer: Yes, the 100 Amp 1 Wire 10SI alternator is particularly well-suited for modified engines. If you have upgraded your engine for higher performance, you might also have installed additional electrical components. This alternator meets the increased power demand efficiently, making it an excellent choice for those who demand reliability and performance from their vehicles. It seamlessly integrates with both stock and modified arrangements. -
Question:
What maintenance does a One Wire Alternator require?
Answer: A One Wire Alternator requires minimal maintenance compared to traditional setups. Regularly checking the electrical connections for corrosion, ensuring the belt is properly tensioned, and inspecting the alternator for wear or damage are recommended practices. Given its robust design, it is built for longevity, but addressing any issues proactively can help maintain optimal performance and efficiency for your vehicle's electrical system. -
Question:
What is the difference between a 1 Wire and 3 Wire Alternator?
Answer: The primary difference lies in the wiring configuration and functionality. A 1 Wire Alternator allows a single connection (to the battery) for both power and excitation, making it easier to install and simpler to use. A 3 Wire Alternator, on the other hand, requires multiple connections: one to the battery, one for excitation, and one for sensing voltage. While 3 Wire Alternators can offer better voltage sensing and regulation, the simplicity and reliability of 1 Wire Alternators make them very popular for many users. -
Question:
Where can I buy One Wire Alternator Replacement for 100 Amp 1 Wire 10SI Self-exciting SBC BBC GM High Output?
Answer: You can buy the One Wire Alternator Replacement for 100 Amp 1 Wire 10SI Self-exciting SBC BBC GM High Output at Ubuy. Ubuy provides a great selection of automotive parts, including this alternator, making it easy to find the components for your vehicle and have them shipped directly to you. Their user-friendly platform ensures a smooth shopping experience as you explore various options. -
Question:
Will this alternator work with a dual battery setup?
Answer: Yes, the 100 Amp 1 Wire 10SI alternator can work with a dual battery setup. However, proper connection and configuration are crucial to ensure both batteries charge effectively. It's recommended to use a battery isolator or a smart charging system to manage the charging process and prevent overcharging. This setup is ideal for vehicles with extensive electrical systems or for those who utilize multiple batteries for enhanced power supply, ensuring that each battery receives adequate charge while being properly utilized.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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GMD 6328
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Features & Benefits
- 100 Amp output for reliable performance.
- Self-exciting design for easy installation.
- High-temp lubricant and double-lip seals reduce noise and vibration.
- Durable construction increases longevity and reliability.
- Designed to withstand extreme heat and cold conditions.
- OEM-grade certified for superior quality and compatibility.
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