Standard Ignition RY-1663 Fuel Pump Relay

Fuel Pump Relay for BMW 750iL

Standard Ignition RY-1663 is a 12-volt fuel pump relay built for direct replacement in select BMW applications. It is compatible with 1988-1994 BMW 750iL models and uses a 7-blade terminal layout with a rectangular single-connector design.

Key Features

• Fuel pump relay function for controlled electrical switching
• 12-volt electrical specification
• Female connector with rectangular shape
• 7 male blade terminals for the listed application
• No mounting bracket included
• Standard Ignition RY-1663 replacement part

Detailed Description

Standard Ignition RY-1663 is a fuel pump relay for air and fuel delivery systems in 1988-1994 BMW 750iL models. This relay manages the electrical circuit that powers the fuel pump, helping maintain proper fuel delivery when the ignition and control signals call for operation. The part number RY-1663 is also referenced for interchange use in the same application, including 20899, 13631725654, AR7167, and R7166.

For buyers searching for a BMW 750iL fuel pump relay, BMW 750iL relay replacement, or Standard Ignition RY-1663 for 1988-1994 BMW 750iL, this part matches the listed connector and terminal configuration. It is a direct-fit style relay for the specified vehicle range and position N/A.

Common Issues This Part May Address

• Fuel pump not receiving power
• Intermittent engine starting problems related to relay operation
• Fuel delivery interruption caused by a failed relay
• No-start condition traced to the fuel pump control circuit
• Electrical switching faults in the fuel pump circuit

Installation Notes and Tips

Verify the connector shape, terminal count, terminal type, and voltage before installation. Confirm the vehicle is a 1988-1994 BMW 750iL and compare the existing relay to Standard Ignition RY-1663 for proper fitment. Inspect the relay socket and surrounding wiring for heat damage, corrosion, or loose terminals before installing the replacement.

Quality Assurance

Standard Ignition supplies replacement electrical components for automotive repair applications, and this relay is built to match the listed fitment and electrical configuration for the specified BMW 750iL models.