HomeElectrical, Charging and Starting > Voltage RegulatorStandard Ignition VR-556 Voltage Regulator
Part #: VR-556

Standard Ignition VR-556 Voltage Regulator

45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac, LeSabre, DeVille, Eldorado, Seville, Lumina, Monte Carlo, 88, LSS, Bonneville, Skylark, Camaro, Achieva, Cutlass, Regency, Grand Am, Park Avenue, and 98
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Reliable Charging System Voltage Regulator for GM Vehicles

The Standard Ignition VR-556 Charging System Voltage Regulator is designed to maintain optimal voltage levels in your vehicle's charging system. Engineered for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, this regulator ensures consistent electrical performance and protects your alternator from voltage fluctuations.

  • Connector Gender: Female for secure and reliable connection
  • Terminal Gender: Male blade terminals for easy installation
  • Terminal Quantity: 1;1;4 providing multiple connection points
  • Terminal Type: Blade terminals designed for durability and conductivity
  • Compatible with various GM models including Buick LeSabre, Cadillac DeVille, Chevrolet Camaro, and Pontiac Grand Am

Technical Details and Compatibility

The VR-556 voltage regulator from Standard Ignition is built to meet the electrical demands of older GM vehicles. Featuring female connectors and male blade terminals, it offers a straightforward installation process while ensuring a secure electrical connection. The terminal configuration of 1;1;4 supports the specific wiring needs of models such as the Buick 88 and 98, Cadillac Eldorado and Seville, Chevrolet Lumina and Monte Carlo, as well as Pontiac Bonneville and Skylark. This part number VR-556 is engineered to maintain consistent voltage output, preventing overcharging or undercharging that can damage your vehicle's battery and electrical components.

Common Applications and Problem Resolution

  • Regulates voltage output to prevent battery overcharging
  • Maintains stable electrical system performance in Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles
  • Replaces faulty or worn voltage regulators causing dimming lights or electrical failures
  • Prevents alternator damage due to voltage irregularities
  • Ensures proper charging system function for reliable vehicle operation

Installation Notes and Tips

When installing the Standard Ignition VR-556 voltage regulator, ensure the vehicle's ignition is off and the battery is disconnected to avoid electrical shock. The female connector and male blade terminals should be inspected for corrosion or damage before connection. Properly secure all terminals to prevent loose connections that could lead to intermittent charging issues. Refer to the vehicle’s service manual for specific wiring diagrams and torque specifications to ensure correct installation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The VR-556 voltage regulator undergoes rigorous quality control testing to ensure consistent voltage regulation and fitment accuracy. This part is backed by Standard Ignition’s limited warranty, covering defects in material and workmanship under normal use conditions.

BrandStandard Ignition
Part NumberVR-556
Connector GenderFemale
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 45 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999BuickLeSabreN/A
1999CadillacDeVilleN/A
1999CadillacEldoradoN/A
1999CadillacSevilleN/A
1999ChevroletLumina3.8LV6N/A
1999ChevroletMonte Carlo3.8LV6N/A
1999ChevroletMonte Carlo3.1LV6N/A
1999Oldsmobile883.8LV6N/A
1999OldsmobileLSS3.8LV6N/A
1999PontiacBonneville3.8LV6N/A
1998BuickLeSabreN/A
1998BuickSkylark3.1LV6N/A
1998CadillacDeVilleN/A
1998CadillacEldoradoN/A
1998CadillacSevilleN/A
1998ChevroletCamaro3.8LV6N/A
1998ChevroletLumina3.8LV6N/A
1998ChevroletLumina3.1LV6N/A
1998ChevroletMonte Carlo3.8LV6N/A
1998ChevroletMonte Carlo3.1LV6N/A
1998Oldsmobile883.8LV6N/A
1998OldsmobileAchievaN/A
1998OldsmobileCutlassN/A
1998OldsmobileLSS3.8LV6N/A
1998OldsmobileRegency3.8LV6N/A
1998PontiacBonneville3.8LV6N/A
1998PontiacGrand Am3.1LV6N/A
1997BuickLeSabreN/A
1997BuickSkylark3.1LV6N/A
1997CadillacDeVilleN/A
1997CadillacSevilleN/A
1997Oldsmobile883.8LV6N/A
1997OldsmobileAchievaN/A
1997OldsmobileCutlassN/A
1997OldsmobileLSS3.8LV6N/A
1997OldsmobileRegency3.8LV6N/A
1997PontiacBonneville3.8LV6N/A
1997PontiacGrand Am3.1LV6N/A
1996BuickLeSabreN/A
1996BuickPark AvenueN/A
1996Oldsmobile883.8LV6N/A
1996Oldsmobile983.8LV6N/A
1996OldsmobileLSSN/A
1996PontiacBonneville3.8LV6N/A
1996PontiacGrand Am3.1LV6N/A108 or 140 Amp

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

This part directly replaces or is cross-referenced with the following part numbers:

11164451V1056KVR270R992RAA1404VR196VR990

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.