HomeElectrical, Charging and Starting > Alternator / Generator and Related ComponentsStandard Ignition VR-147 Charging System Voltage Regulator
Part #: VR-147

Standard Ignition VR-147 Charging System Voltage Regulator

⚙️ 14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and Isuzu, I-Mark, LUV, Pickup, and Trooper
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Reliable Charging System Voltage Regulator for Chevrolet and Isuzu Vehicles

The Standard Ignition VR-147 Charging System Voltage Regulator is designed to maintain optimal voltage levels in your vehicle's electrical system. Engineered for compatibility with Chevrolet I-Mark, Isuzu LUV, Pickup, and Trooper models, this regulator ensures consistent performance and electrical stability.

Key Features of the Standard Ignition VR-147 Voltage Regulator

  • Connector Gender: Female with a single round connector for secure connection
  • Dimensions: 136.398 x 66.04 x 72.39 mm (5.37 x 2.6 x 2.85 inches) for precise fitment
  • Terminal Configuration: Six male pin terminals for reliable electrical contact
  • Voltage Rating: 12 volts, suitable for standard automotive charging systems
  • External mounting location for easy access and maintenance
  • No installation hardware or instructions included

Detailed Description of the VR-147 Voltage Regulator

The VR-147 voltage regulator from Standard Ignition is a critical component in the charging system of select Chevrolet and Isuzu vehicles. It controls the alternator output to maintain a steady 12-volt supply, protecting the battery and electrical components from voltage fluctuations. The regulator features a female round connector and six male pin terminals, ensuring a secure and stable electrical connection. Its external mounting design allows for straightforward installation and inspection. With precise dimensions, this regulator fits seamlessly into the designated mounting area on Chevrolet I-Mark and Isuzu LUV, Pickup, and Trooper models.

Common Applications and Issues Addressed

  • Prevents overcharging or undercharging of the vehicle battery
  • Eliminates flickering or dimming dashboard lights caused by voltage irregularities
  • Resolves battery drain issues related to faulty voltage regulation
  • Maintains consistent alternator output for reliable engine starting
  • Protects sensitive electronic components from voltage spikes

Installation Notes and Tips

When installing the Standard Ignition VR-147 voltage regulator, ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical hazards. The external mounting location allows for easy access; however, verify the connector orientation matches the female round connector specification. Since no hardware or instructions are included, refer to the vehicle’s service manual for detailed installation procedures and torque specifications. Proper terminal connection is essential to avoid electrical faults.

Quality Assurance and Warranty Information

Standard Ignition manufactures the VR-147 voltage regulator to meet or exceed OEM specifications for durability and performance. While specific warranty details are not provided, Standard Ignition products typically undergo rigorous testing to ensure reliability in demanding automotive environments. For warranty coverage, consult the product documentation or authorized Standard Ignition distributors.

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1986IsuzuPickupN/ARegulator
1985IsuzuPickupN/ARegulator
1985IsuzuTrooperN/A
1984IsuzuI-MarkGASN/A
1984IsuzuPickupN/ARegulator
1984IsuzuTrooper1.9LL4N/A
1983IsuzuI-MarkGASN/A
1983IsuzuPickupGASN/A
1982ChevroletLUVN/A
1982IsuzuI-MarkGASN/A
1982IsuzuPickupGASN/A
1981ChevroletLUVN/A
1981IsuzuI-MarkGASN/A
1981IsuzuPickupGASN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.