Wacker Neuson 5000178179 Voltage Adjust Wiring Harness
Wacker Neuson

Wacker Neuson 5000178179 Voltage Adjust Wiring Harness

$56.12
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SKU:
5000178179-Wacker Neuson
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The Wacker Neuson Voltage Adjust Wiring Harness is a genuine OEM component designed for the G150, G180, G230, G240, and G320 series portable generators. Sourced directly from Wacker Neuson, this harness is manufactured to the exact electrical specifications of the original part, ensuring correct signal routing and connector compatibility throughout the voltage adjustment circuit. It covers an extensive range of G-series configurations including standard, cold weather, custom, and Tier 4 Final variants across multiple model years. If your generator is showing irregular voltage output or the adjustment circuit has failed, part number is the correct OEM replacement to restore proper operation.

Key Features

  • Correct Conductor Gauge and Connector Spec — Manufactured to the original wiring specification, so connector pins, wire gauge, and insulation ratings match the voltage adjust circuit exactly as designed.
  • Direct Plug-In Replacement — Harness connectors mate to the existing generator control circuit without splicing or modification, preserving the integrity of the electrical layout.
  • Broad G-Series Compatibility — Fits G150, G180, G230, G240, and G320 portable generators across standard, cold weather, custom, and Tier 4 / Tier 4 Final configurations, including Transport Canada-spec units.
  • Stable Voltage Regulation — A correctly functioning voltage adjust harness maintains clean signal communication between the adjustment control and the alternator; a damaged or corroded harness causes erratic output voltage that can damage connected equipment.
  • Electrical Safety Compliance — As a live-circuit component in the generator's regulation system, using the genuine OEM harness ensures insulation ratings and conductor routing meet the original design intent, reducing the risk of shorts or arc faults.

The voltage adjust wiring harness carries low-voltage control signals from the voltage adjustment interface to the automatic voltage regulator (AVR) or excitation circuit inside the generator. It acts as the communication link that tells the machine how much output voltage to produce and maintain under varying load conditions. When this harness develops a break, a corroded pin, or damaged insulation, the generator may produce unstable or incorrect output voltage — which can damage sensitive tools, lights, or jobsite equipment connected to it. Replacing a faulty harness with the correct OEM part restores precise voltage control and protects both the generator and the loads it powers.

Part Details

Part Number5000178179
Old Part Number0178179
BrandWacker Neuson
Part TypeGenuine OEM
DescriptionVoltage Adjust Wiring Harness

Compatibility & Fitment

Name Model Machine Number
G150-GENERATOR, SKID, CUSTOM, DEERE T3 G150 5000620657, 5200001321, 5200006902, 5000620656, 5000620655, 5200003160, 5000620889, 5200007860, 5000620887, 5000620888, 5200014784, 5200010135, 5200010136, 5200010137, 5200025554, 5100025830
G240-GENERATOR, SKID, CUSTOM, DEERE T3 G240 5000620663, 5200001323, 5200006904, 5000620662, 5000620661, 5200003162, 5200025556, 5100025834
Mobile Generator G180 5200001322, 5000620886, 5000620884, 5200007861, 5000620885, 5200010140, 5200010138, 5200010139, 5100015615, 5200025555, 5100045089, 5100045575, 5100045576, 5100045590, 5100045591, 5100045592, 5100049844, 5100049845
G230 Generator, Custom T4i G230 5000620883, 5000620881, 5000620882, 5200007862, 5200010141, 5200010142, 5200010143, 5100015614, 5100045190, 5100045596, 5100045597, 5100049846, 5100049847
G320 Generator, Standard T4i G320 5000620275, 5200008718, 5200010219, 5200010260, 5200010144, 5200010145, 5200010146, 5100045191, 5100045601, 5100045602, 5200008717, 5100018533, 5100049848, 5100049849, 5200010261
G150 Generator,Hertz,T4 Final G150 Generator,Hertz,T4 Final 5100015616

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.