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This relay is the key to keeping your Corvette's headlights running smoothly. Located on the left hand (LH) front side of the fenderwell, in front of the wheel under a black cover next to the vacuum bottle, this relay is essential for proper headlight motor functionality. There is one relay for each headlight motor, making it a crucial component for headlight operation.
There are three headlight door relays: one left side relay (bottom), one right side relay (middle), and one isolation relay (top). This relay fits both the LH and RH positions and the isolation relay is often overlooked. We highly recommend replacing all three at the same time and cleaning the old anti-corrosion compound out of the connectors and replacing it prior to plugging the connectors into the new relays.