803687884 XCMG GR2605 motor grader relay

803687884 XCMG GR2605 motor grader relay

803687884 is a dedicated relay for the XCMG GR2605 grader, used for circuit on/off control and signal conversion. It is compatible with the original equipment manufacturer’s (OEM) electrical system, vibration-resistant and durable, easy to install, and ensures stable and reliable control circuitry.

Core Functions and Roles

It receives control signals, switches high-power load circuits, and realizes logic such as equipment start/stop and operating condition switching. It is a key actuator in the electrical control system.

Designed for the XCMG GR2605’s operating conditions, it features dustproof, vibration-proof, and anti-interference capabilities, adapting to complex construction site environments and reducing poor contact and malfunctions.

It uses OEM interfaces and terminals, directly plugging into the original vehicle wiring harness without rewiring. After replacement, testing the corresponding function will restore normal operation.

Key Technical Parameters

Model: 803687884
Compatible Model: XCMG GR2605 Grader
Operating Voltage: DC 24V (Engineering Machinery Standard)
Contact Capacity: As per original factory specifications, compatible with corresponding load circuits
Interface: Original factory plug terminals, connects to original vehicle wiring harness
Features: Vibration-resistant and dustproof, durable contacts, stable signal, original factory specifications

Common Faults and Troubleshooting

Fault Symptoms: Corresponding function malfunction, no circuit continuity, abnormal alarm.

Troubleshooting Steps:
Check for loose plugs, oxidation, water ingress, damaged wiring harness, open circuit/short circuit.

Replace the relay for verification; if the fault disappears, replace it directly.

Check the load and wiring to rule out overload or short circuit issues.

Replacement and Maintenance Points

Replacement: Install in the original factory position, plug-in connection, no wiring modification required; test the corresponding control function 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 lifespan.

Get a personalized quote now

1 803601655 Flashing Relay
2 803687884 Relay
3 803678559 Relay
4 803741091 Metal Clamping Fastener
5 803741090 Relay Socket
6 803742957 Fuse Box
7 803689741 DANA (Digital Anchored Motor) System
8 381100399 Control Box Wiring Harness
9 380906214 Control Box Body
10 803689000 Relay

*For other spare parts procurement needs, please contact us!