G8b-201-01: Omron
As the original Omron G8B-201-01 is a legacy part that is largely discontinued from primary factory runs, finding an exact one-to-one replacement can require alternative approaches:
is critical to preserving classic motorcycle electrical systems. Technical Overview and Specifications Omron G8B-201-01
When it comes to automotive and heavy-duty industrial switching, electrical engineers and automotive technicians rely on components that can endure harsh environments while delivering flawless performance. Among the most respected components in this arena is the (and similar variants in the broader Omron G8 series).
While modern vehicles utilize digital body control modules (BCMs) to manage lighting circuits, older powersports vehicles rely heavily on discrete electromechanical and analog electronic components like the G8B-201-01. This guide covers its technical specifications, primary vehicle fitments, common failure signs, and how to track down replacement parts or modern alternatives. Core Specifications and Electrical Design omron g8b-201-01
The relay is typically positioned under the main seat pan, behind a side fairing panel, or tucked inside the front headlight bucket assembly.
Suitable for controlling HVAC systems, lighting, and security systems.
Often occurs if you have switched to LED bulbs without adding load resistors, as this relay is calibrated for the resistance of standard incandescent bulbs. Solid Light: As the original Omron G8B-201-01 is a legacy
utilizes a 3-pin layout to effectively bridge the dashboard controls, power source, and turn indicators. Specification Omron Electronics OEM Cross-Reference Honda 38301-MF8-771 Terminal Configuration 3-Pin Mini Faston Layout Rated Voltage 12V DC nominal Primary Application Turn Signal / Indicator Flasher Terminal Mechanics (The 3-Pin Configuration)
Honda part numbers 38301-MF8-771 , 38301-MEG-000 , 38301-MR7-004 , and 38301-KK9-952 .
| Parameter | Value | | --- | --- | | | 1A (SPST-NO) | | Rated Load | 20 A at 14 VDC (resistive) | | Max Switching Voltage | 75 VDC, 30 VAC | | Max Switching Current | 20 A | | Coil Voltage | 12 VDC | | Coil Power Consumption | Approx. 0.96 W (80 mA at 12V) | | Must Operate Voltage | ≤ 70% of nominal coil voltage | | Must Release Voltage | ≥ 10% of nominal coil voltage | | Contact Resistance | ≤ 30 mΩ (initial) | | Insulation Resistance | ≥ 100 MΩ (at 500 VDC) | | Dielectric Strength | 500 VAC, 50/60 Hz for 1 min (between coil & contacts) | | Operate Time | ≤ 10 ms | | Release Time | ≤ 5 ms | | Mechanical Life | ≥ 10⁷ operations | | Electrical Life | ≥ 10⁵ operations (at rated load) | | Ambient Temperature | -30°C to +85°C (no freezing) | | Mounting | Through-hole PCB terminals | While modern vehicles utilize digital body control modules
: Some wiring harnesses used this relay to isolate the high current required for warning hazards or auxiliary lighting rigs.
While specific datasheets for discontinued or legacy OEM-only parts like the G8B-201-01 can be rare, its primary characteristics align with standard automotive relay standards: 12V DC.




