Our Direx Partners
Updated: 8th October 2025
At IVECO, we know that convenience and quality matter. That’s why we work with a selection of approved Direx Partners - a network of trusted strategic partners - to give you access to a wider choice of high-quality parts, workshop equipment, and solutions all in one place.
Key Components of IVECO Wiring Looms
An IVECO wiring harness is an engineered assembly of multi-strand annealed copper conductors designed to supply power and transmit high-speed CAN BUS data across the vehicle. Every genuine loom incorporates specialised protective layers tailored to its position:
- Multi-Pole Connectors: High-impact plastic housings creating a detachable interface between harness sections or ECUs.
- Sealed Connectors: Silicone gaskets protecting against dust and water immersion up to 1 metre depth on exposed chassis routes.
- Pin/terminal: Sealed connector with silicone gaskets ensuring protection against dust and water immersion up to 1m.
- Insulated Conductors: Multi-strand copper wires colour coded to ISO 6722 and IVECO standards for clear function identification.
- Protective Conduit & Tape: Polyamide 6 (PA6) corrugated conduit and fabric tapes protecting conductors from fluids, heat and vibration abrasion.
- Relay/Fuse Box: Switching component (relay) or protection device (fuse box).
- Open/Closed corrugated conduit: Corrugated conduit made of polyamide 6 (PA6) or polypropylene.
- ID Labels: Production labels applied after factory testing to ensure accurate component identification and rapid installation.
Vehicle Wiring Locations: Daily Van to Heavy Trucks
Modern commercial vehicles use specialised wiring looms distributed throughout the chassis structure to support vehicle systems, driver comfort and ADAS safety features.
- Light Range (Daily & eDaily): Key harnesses include roof looms for lighting, dashboard wiring for cluster and infotainment controls, engine bay distribution, door-hinge looms, and rear chassis lines handling ABS/ESP and trailer connections.
- Heavy Range (S-Way, X-Way, Eurocargo): Uses heavy-duty frame-mounted distribution channels including full cab wiring, U-frame and H-frame chassis routes, ISO trailer sockets, and dedicated ADAS radar harnesses for BSIS and MOIS compliance.
Common Fault Symptoms & Diagnostic Matrix
Recognising early warning signs prevents minor electrical issues from escalating into complete component failure. The diagnostic matrix below outlines primary symptoms, probable causes and recommended technical actions:
| Anomaly Symptom | Likely Root Cause | Recommended Action |
|---|---|---|
| Intermittent Electrical Faults | Oxidised connector pins or loose terminal connections. | Clean pin contacts, check plug locking tabs and apply dielectric grease. |
| Short Circuits to Earth | Mechanical cable damage from rubbing against sharp chassis edges. | Inspect PA6 corrugated conduit for chafing along frame rails. |
| Starting & Cranking Issues | Loose or deteriorated battery earth straps or alternator wiring harness. | Check main battery terminal torque and verify alternator feed wire continuity. |
| Unexplained ECU Error Codes | Electromagnetic interference (EMC) due to damaged loom shielding. | Check ground strap connections and outer shielding integrity. |
| Burning Smell / Overheating | Overheating caused by poor contact resistance or undersized wiring. | Isolate circuit immediately and replace damaged harness with a genuine loom. |
Commercial Vehicle Electrical Fault Diagnostics: 5-Step Checklist
- STEP 1: ECU Fault Scan
Connect IVECO EASY diagnostic tool to scan for active error codes. - STEP 2: Visual Loom Inspection
Check PA6 conduit around wheel arches, sharp edges and engine bay routing for chafing or damage. - STEP 3: Connector & Seal Check
Inspect silicone seals for moisture ingress or pin oxidation; apply dielectric grease. - STEP 4: Earth & Feed Testing
Check main battery terminal torque, earth strap integrity and alternator feed wire continuity. - STEP 5: Genuine Replacement
Fit genuine IVECO replacement looms to ensure full EMC compliance and maintain factory warranty.
Why Quality Makes a Difference
The majority of commercial electrical malfunctions stem from low-quality wiring. Choosing genuine IVECO products increases operational lifespans and simplifies diagnostics:
- OEM Compliance: Manufactured with high-purity copper, oil-resistant sheaths and anti-oxidation connectors for a perfect fit.
- Rigorous Testing: Looms undergo vibration, thermal and resistance testing co-produced with certified ISO 9001 and IATF 16949 suppliers.
- Warranty Protection: Fully covered under official IVECO parts warranties for complete peace of mind.
Key Takeaways
Parts make a reliable and cost-effective choice by offering:
- Preventative Inspections: Scheduled visual checks every 50,000 km catch loom wear before failure occurs.
- Guaranteed Reliability: Products built to exact original specifications prevent intermittent ECU errors and short circuits.
- Faster Turnaround: Genuine replacement harnesses simplify workshop diagnostics and get your vehicle back on the road sooner.
Frequently Asked Questions
Can a commercial vehicle wiring loom be repaired?
Minor localised wire damage or connector issues can be repaired using certified heat-shrink tubing or self-amalgamating tape. However, widespread degradation requires a full genuine replacement to ensure safety and EMC compliance.
Where can I find genuine IVECO parts in the UK?
You can source genuine IVECO wiring harnesses, replacement looms and electrical components through authorised UK dealership networks or direct from specialist parts teams.
How do I diagnose an intermittent electrical fault on an IVECO Daily?
Intermittent faults are typically caused by corroded pins or loose battery earth connections. Connect an IVECO EASY compatible diagnostic tool to scan stored ECU fault codes, then perform a visual inspection of connectors around wheel arches and engine bay routing.
For specialist advice or assistance locating the correct replacement harness for your vehicle, request a call back from our parts team or find your local dealership today.
Here are the partners who help us deliver even more value for you.
Petronas
Oils and Lubricants
Petronas is IVECO’s trusted partner for high-performance oils and lubricants, designed to keep your vehicle running at its best. With advanced formulations tailored for commercial vehicles, Petronas products deliver superior engine protection, reduce wear, and enhance fuel efficiency.
Green Chem
AdBlue
Green Chem supplies high-quality AdBlue to help keep your IVECO vehicle compliant with the latest emissions standards. AdBlue products are formulated to reduce harmful NOx emissions, support environmentally responsible operations, all while your vehicle performs at its best.
Learn More
WÜRTH
Supplies and Consumables
Würth equips our service centres with high-quality tools, fasteners, chemicals, and maintenance products. Thanks to Würth’s reliable quality, our technicians have exactly what they need to service your vehicle quickly and professionally, so drivers can complete their missions with confidence.
Learn More
Quest Consumables
Supplies and Consumables
Quest Consumables makes sure our workshops are always stocked with the everyday essentials needed to look after your IVECO. From cleaning products to workshop consumables, Quest helps us work efficiently and keep your vehicle in perfect condition, so every visit is smooth and hassle-free.
Learn More
Locks4Vans
Automotive Security Solutions
Locks4Vans protects what matters most by providing advanced security solutions for your IVECO van. Offering robust, high-quality locks to innovative anti-theft systems, they help keep your vehicle and precious cargo safe. Nothing enhances a long journey more than peace of mind.
Learn More
Brigade Electronics
Safety Equipment
Brigade puts safety first with advanced equipment designed to protect drivers, passengers, and everyone around your IVECO. From reversing cameras and alarms to cutting-edge collision avoidance systems, Brigade helps prevent accidents and makes every journey safer.
Learn More
Alliance Automotive Group
Truck and Trailer Parts
Alliance Automotive Group helps keep your IVECO performing at optimum by supplying an extensive range of quality truck and trailer parts. Their reliable stock and quick delivery mean we can fit the right parts fast, keeping your vehicle on the road and your business moving with minimal downtime.
Learn MoreOur partners help us deliver the unparalleled IVECO standard of service.
For Parts or general enquiries, get in touch with the experts today.
Call the IVECO Parts Team
Monday to Friday 9am - 5.30pm.
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The ideal solution for every vehicle
Experience the same efficiency on the road as on day one with IVECO Genuine Parts. High-performance parts for an efficient journey.
Provide Authentic Value to your vehicle choosing NEXPRO Parts. Quality parts designed to extend the life of your vehicle.
Reduce your impact on the planet by using remanufactured parts. Sustainable change starts here.
A new generation of specifically developed accessories, that customise and maximise your driving experience.
IVECO Parts Warranties
• Best-in-class warranty. Reliability and quality certified by IVECO.
• Benefit from the same warranty as Genuine Parts. NEXPRO warranty has a life of 12 months for spare parts and 24 months for the batteries.
• Up to 3 year warranty on all our engines and gearboxes, when fitted in an approved IVECO workshop or supplied over the counter. If fitted in an approved IVECO workshop, labour is included under warranty.