1989 GMC W-Series Light Relays, Sensors & Control Modules
- Diode Dynamics®Inline ResistorGMC W-Series 1989, Inline Resistor by Diode Dynamics®. Quantity: 2 Pieces. This is a pair of inline resistors, designed for use with 194, 168, or 921 size bulb applications. Each resistor draws 5 watts of power, the same as a standard...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$10.00
- Keep It Clean®Headlight Relay KitGMC W-Series 1989, Headlight Relay Kit by Keep It Clean®. Looking to maintain the top condition of your electrical system? Keep It Clean is ready to help you! Just choose from our immense selection of premium replacement electrical...Increases Your Headlight Output By Delivering More Amperage to Your BulbFactory Harness Compatible$20.85