Hella Wipe Wash Interval Relay - 5WG 002 450-291
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HELLA 5WG 002 450-291 Relay, wipe-/wash interval for DAFFree delivery in 1–3 days£47.99Visit shop →
RELAY WIPEWASH INTERVAL 5WG 002 450-291 FOR DAF XE 280 C 12.6L 6cyl CF 85Free delivery in 1–3 days£50.09Visit shop →
RELAY WIPEWASH INTERVAL 5WG 002 450-291 FOR DAF XE 280 C 12.6L 6cyl CF 85Free delivery in 1–3 days£50.09Visit shop →
RELAY WIPEWASH INTERVAL 5WG 002 450-291 FOR DAF XE 280 C 12.6L 6cyl CF 85Free delivery in 1–3 days£50.21Visit shop →
Product Information
Full details
The Hella Wipe Wash Interval Relay (5WG 002 450-291) is a precision-engineered control unit designed for commercial and heavy-duty vehicles requiring reliable 24V wiper system management. It is ideal for fleet operators and mechanics seeking an OE-quality replacement that offers consistent wipe-wash and interval timing sequences; however, users must verify voltage compatibility and pin configuration to ensure it matches their specific vehicle wiring architecture.
All features
| Model Part Number | 5WG 002 450-291 |
|---|---|
| Brand | Hella |
Extended Product Information
FAQs
Is this relay compatible with 12V cars?
No, this is a 24V relay designed specifically for heavy-duty and commercial vehicle electrical systems.
What does the 6-pin design mean for installation?
It means the relay has a specific orientation. Ensure you align the pins with the corresponding slots in your vehicle's relay block before applying pressure.
Can I use this for a custom wiper setup?
While it can be used for custom builds, you must ensure your system operates on 24V and that your motor does not exceed the 3.5A limit.
Does the relay come with a mounting bracket?
Yes, it includes a holder specifically designed to mount this relay unit securely within your vehicle.
What are the exact delay timings?
The relay provides a 4-second drop-out delay, a 1-second switch-on delay, and a 5-second interval pause.
Troubleshooting
Wipers fail to activate in interval mode
Check the 6-pin seating to ensure all terminals are making full contact. Verify the vehicle's wiper motor fuse.
Relay makes a clicking sound but wipers do not move
The relay is functioning, but the wiper motor or linkage may be obstructed. Check the motor power supply.
Wipers continue running after wash cycle ends
Inspect the relay for internal shorts or contact sticking. Replace if the delay timing fails to trigger correctly.
Pros and Cons
Pros
- Ensures exact OE-fitment for seamless replacement
- Reliable timing intervals for consistent visibility
- High-quality construction built for demanding vehicle environments
- Includes necessary mounting hardware for immediate installation
Cons
- Limited to 24V systems; incompatible with 12V automotive setups
- Requires specific pin-out verification before installation
- Does not include installation wiring instructions
Setup, Compatibility & Care
Installation requires access to the vehicle's electrical junction box or relay panel. Ensure the ignition is switched off before removing the old unit. Match the 6-pin orientation carefully with the socket to avoid bending pins. Because this is a 24V component, verify your battery system voltage with a multimeter if you are unsure of the vehicle's electrical configuration. To care for the unit, keep the relay compartment dry and free of debris. Periodic inspection of the connection terminals for signs of corrosion or heat discoloration is recommended during routine maintenance intervals.