Standard Ignition VR-788 Voltage Regulator

Charging System Voltage Regulator for Volkswagen Golf

Standard Ignition VR-788 is a 12-volt charging system voltage regulator that mounts on the alternator and uses a female oval connector with male blade terminals. It is built for select Volkswagen Golf applications from 2000-2006, including Bosch alternator setups, and is a direct-fit service part for charging system repair.

Key Features

• Charging system voltage regulator for alternator-mounted applications
• 12-volt design for select Volkswagen Golf models
• Female oval connector with 1 connector interface
• Male blade terminals with 2 terminal connections
• Compact regulator assembly with dimensions of 108.966 x 70.104 x 38.354 mm
• Cross-reference part number: 028903803L
• Standard Ignition VR-788 replacement part number for service matching

Detailed Description

Standard Ignition VR-788 is a charging system voltage regulator used to control alternator output on select Volkswagen Golf vehicles. This part is specified for 12-volt systems and mounts directly on the alternator, making it a practical replacement when the original regulator is no longer maintaining proper charging voltage. It is listed for 2004-2006 Volkswagen Golf with Bosch alternator applications, plus 2000-2001 Volkswagen Golf built in Brazil with Bosch equipment and 2002-2003 Volkswagen Golf applications with fitment verification required against engine and vehicle details. The part number VR-788 is also referenced by 028903803L, R2036, VR1096, and VR1175 for the same application.

For buyers searching for a Volkswagen Golf alternator voltage regulator, Standard Ignition VR-788 provides the connector style, terminal layout, and mounting location needed for a targeted replacement. Use the part number VR-788 when matching the regulator to the vehicle’s charging system configuration.

What It Helps Address

• Battery warning light caused by unstable alternator output
• Overcharging or undercharging conditions in the charging system
• Voltage fluctuation affecting electrical performance
• Alternator regulator failure on Bosch-equipped Volkswagen Golf models
• Charging system diagnosis that points to the alternator-mounted regulator

Installation Notes and Tips

• Verify alternator type before ordering, especially on 2004-2006 Volkswagen Golf Bosch alternator applications.
• Confirm connector shape, terminal style, and mounting location against the original part.
• Check vehicle year, make, model, and engine details for 2002-2003 Volkswagen Golf fitment.
• Inspect the alternator and charging system wiring before installing the new regulator.
• No hardware, instructions, or mounting brackets are included.

Quality Assurance

Standard Ignition supplies replacement electrical components for service applications, and VR-788 is cataloged with direct interchange references for matching the correct charging system regulator. This part number is VR-788.