WAI WPM1058 Wiper Motor - Rear

Reliable Rear Wiper Motor for Buick, Chevrolet, Pontiac, and Saturn

The WAI WPM1058 rear wiper motor is designed to restore proper rear windshield wiper function on select Buick, Chevrolet, Pontiac, and Saturn models. Engineered for durability and precise fitment, this motor ensures consistent performance for your vehicle's rear wiper system.

• Rear wiper motor specifically designed for select GM vehicles
• Two mounting holes for secure installation
• Four terminals with male and female connector genders for proper electrical connection
• Does not include washer pump or wiring harness
• Compatible with Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander

Product Details and Specifications

The WAI WPM1058 is a rear wiper motor built to meet the exact specifications required by your vehicle. It features two mounting holes to ensure a stable and secure fit. The motor includes four terminals, with male terminal gender and female connector gender, facilitating straightforward electrical connections without the need for additional adapters. This part does not come with a washer pump or wiring harness, so existing components must be retained or replaced separately if needed. The motor is engineered to provide reliable rear wiper operation, helping maintain clear visibility through the rear windshield in adverse weather conditions.

Compatible Vehicles and Applications

This rear wiper motor is compatible with the following makes and models:

• Buick Montana
• Chevrolet Relay
• Pontiac Terraza
• Saturn Uplander

Use the WAI WPM1058 to replace a malfunctioning rear wiper motor on these vehicles to restore proper rear wiper functionality.

Common Issues Addressed by WAI WPM1058

• Rear wiper not operating or moving intermittently
• Wiper motor making unusual noises or failing to start
• Inconsistent wiper speed or stalling during operation
• Electrical connection problems due to worn terminals
• Rear wiper arm not returning to park position

Installation Notes and Tips

When installing the WAI WPM1058 rear wiper motor, ensure the two mounting holes align correctly with the vehicle’s mounting points for a secure fit. Verify that the four terminals match the vehicle’s wiring harness connectors, noting the male terminal and female connector genders. Since the washer pump and wiring harness are not included, inspect existing components for wear or damage and replace separately if necessary. Follow vehicle-specific service manual instructions for proper removal and installation procedures to avoid damage to the motor or surrounding components.

Quality Assurance and Warranty

WAI manufactures the WPM1058 rear wiper motor to meet industry standards for durability and performance. While specific warranty details are not provided, WAI products typically undergo rigorous quality control to ensure reliable operation. For warranty information, refer to the product packaging or contact the manufacturer directly.