The Wacker Neuson DC Wiring Harness is a genuine OEM component designed for the G100, G120, G150, and G180 series portable generators. As a direct-from-manufacturer replacement, this harness is built to the exact electrical specifications of the original, ensuring correct routing, connector fit, and conductor sizing across all covered configurations — including standard, cold weather, Tier 4i, Hertz, custom skid, and mobile variants. Whether you are servicing a G150 mobile generator on a job site or restoring a G180 cold weather unit, part number is the correct harness for the application. Confirm your model and machine number against the fitment list before ordering to ensure an exact match.
Key Features
- Genuine OEM Electrical Specification — Manufactured to Wacker Neuson's original conductor gauge, insulation rating, and connector spec — so voltage drop, circuit protection, and terminal fit are exactly as the generator was designed to operate.
- Plug-and-Play Connector Matching — Factory-matched connectors align directly with OEM terminals on the generator control panel and DC output circuits, eliminating the need for splicing or adapter fittings.
- Broad G-Series Coverage — A single harness part number that spans the G100, G120, G150, and G180 generator families across standard, cold weather, Tier 4i, custom skid, and Hertz configurations.
- Protects DC Circuit Integrity — A correctly functioning DC wiring harness maintains stable low-voltage supply to control boards, battery charging circuits, and auxiliary outputs — a damaged or corroded harness can cause erratic shutdowns, failed starts, or control panel faults.
- Electrical Safety Compliance — Using the correct OEM harness ensures conductor ratings and insulation grades meet the original design intent, reducing the risk of shorts, heat buildup, or ground faults in the DC circuit.
The DC wiring harness carries low-voltage direct current between the generator's battery, voltage regulator, control board, and auxiliary DC outputs. It is the backbone of the machine's control and charging circuits — if the harness develops a break, corrosion at a terminal, or damaged insulation, the generator may fail to start, display control faults, or lose battery charging function entirely. Replacing a worn or damaged harness with the correct OEM part restores full electrical continuity and ensures all DC-powered functions operate as intended.
Part Details
| Part Number | 5000178169 |
|---|---|
| Old Part Number | 0178169 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | DC Wiring Harness |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G150 | 5200001321, 5200006902, 5000620889, 5000620887, 5000620888, 5200014784, 5000620656, 5100026980, 5100026981, 5100026982, 5100029212, 5000620655, 5000620657, 5200007860 |
| Mobile Generator | G180 | 5200001322, 5200006903, 5000620886, 5000620884, 5200007861, 5000620885, 5000620658, 5000620659, 5000620660 |
| G100 Generator | G100 | 5000620649, 5000620650, 5000620651 |
| G120 Generator | G120 | 5000620652, 5000620653, 5000620654, 5200001320 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.