803601655 XCMG GR2605 motor grader flashing relay

803601655 XCMG GR2605 motor grader flashing relay

803601655 is the flashing relay for the XCMG GR2605 grader. It controls the flashing of turn signals and hazard lights, ensuring clear signal indication. It is compatible with the original equipment manufacturer’s (OEM) electrical system and is easy to install and maintain.

Core Functions and Roles

It provides a stable flashing frequency signal for the vehicle’s turn signals and hazard warning lights (double flashers), ensuring normal turning and warning functions and improving operational and driving safety.

Designed according to XCMG GR2605 electrical specifications, it is compatible with the original vehicle’s circuitry and lighting system. It is vibration-resistant and interference-resistant, adaptable to complex construction site conditions, and reduces malfunctions such as abnormal flashing and failure to illuminate.

Using OEM interfaces and specifications, it directly replaces old parts without rewiring. After replacement, testing the turn signals and hazard lights will restore normal operation.

Key Technical Parameters

Model: 803601655
Compatible Model: XCMG GR2605 Grader
Operating Voltage: DC 24V (Engineering Machinery Standard)
Blinking Frequency: Meets national standards/original factory requirements, flashing evenly and stably
Interface: Original factory plug terminals, compatible with original vehicle wiring harness
Features: Vibration-resistant and dustproof, durable contacts, stable signal, original factory specifications

Common Faults and Troubleshooting

Fault Symptoms: Turn signals do not flash/remain constantly on, hazard lights are ineffective, abnormal flashing frequency.

Troubleshooting Steps:

Check if the plug is loose or oxidized, and if the wiring harness is damaged or broken.

Replace the flashing relay for verification. If the fault disappears, replace it directly.

Check if the bulbs and wiring are normal, and rule out light load issues.

Replacement and Maintenance Points

Replacement: Install in the original factory position, plug-in connection, no wiring modification required; test all light flashing functions after replacement.

Maintenance: Regularly check the tightness of the plug and the relay to prevent vibration from causing poor contact; clean the oxide layer on the plug to extend its service life.

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