Introduction
In the ever-evolving landscape of automotive technology, precision and reliability are paramount. Hoo-ha Harness, a distinguished China-based contract manufacturer with over two decades of expertise, stands at the forefront of innovation, specializing in custom wire and cable harness assembly. Committed to delivering excellence, Hooha harnesses its extensive experience to provide top-notch solutions, adhering to the rigorous IPC/WHMA-A-620 standard.
Custom Wire Harness Assembly Expertise
With a proven track record in custom wire harness assembly, over-molding cable, and data cable manufacturing, Hooha Harness has become a trusted partner for businesses seeking reliable and tailored solutions. The company's commitment to quality is evident in its meticulous adherence to industry standards, ensuring that each product meets the highest benchmarks for performance and safety.
Introducing the 2.2 Ecotec Stand-Alone Wiring Harness
Hooha Harness takes automotive customization to a new level with its custom 2.2 Ecotec stand-alone wiring harness—a precision-engineered solution designed to enhance engine performance and simplify installation. The stand-alone engine harness for the 2.2 Ecotec boasts a straightforward 7-wire hookup, making it accessible for both enthusiasts and professionals alike.
Key Features of the 2.2 Ecotec Stand-Alone Wiring Harness
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Reliable Power Distribution
- Includes a relay pack for powering fans and a fuel pump, all seamlessly controlled by the computer.
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Quality Construction
- Manufactured in China with GM Weatherpak connectors and all-new parts, ensuring durability and longevity.
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Optimized Engine Performance
- The included computer comes pre-tuned to maximize engine performance, providing an out-of-the-box solution for enthusiasts seeking an immediate boost.
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Comprehensive Control System
- Weatherproof fuse/relay box for added protection.
- Fuel pump and fan control with included relays and fuses.
- Wiring provisions for engine coolant temperature and oil pressure gauges.
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Versatile Compatibility
- Supports various engine components, including fuel injectors, coil pack controls, turbo/supercharger control (where applicable), camshaft, and crankshaft position sensors.
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Full Sensor Integration
- Features provisions for essential sensors like MAP sensor, oxygen sensor, mass airflow or intake air temp, throttle body (DBW setups), IAC and TPS (DBC setups), alternator control, engine coolant temp, engine oil pressure, and knock sensors.
Custom Standalone Wiring Harness Cases

4L60E Engine Wiring Harness

8L90E standalone wiring Harness

ls swap ecu and harness

LS Wiring Harness

ls1 ecu and harness

ls1 stand-alone harness 4l60e

LS3 Standalone Wiring Harness

Standalone wire harness

standalone Wiring harness
We Support Custom Wire Harness Assembly
- Connectors: Support TE, Deutsch, AMP, Molex, JST, Aptiv, Hirose, Amphenol, Sumitomo, Yazaki, Lear, etc.
- Wire Gauge:
- depends on your needs
- Recommended by us
- Wire Colors: Available in a wide range, including white, black, red, yellow, blue, green, brown, orange, purple, grey, and more.
- Wire Length: Fully customizable to your specifications.
- Wiring Diagram: Tailor-made to meet your project needs.
- Custom type:
- Send drawing to customize.
- Send a sample to customize.
- Tell us as many details as possible to customize.
- Minimum Order: 50 pieces.
Customize Your Wire Harness
Send your sample or drawing/schematic for quote price→ Feedback with quotation(1~3 days) → Confirm quotation → Arrange sample you for approval→ [Make mold if needed (7 days) →Mold test] → Making samples(1~3 days)→ Samples test(Approval) → place order for Mass production(2~3 weeks)→ Quality checking→ Packing → Delivery → After Service → Repeat Order.