SymbolDescription1Park Lamp Relay2Courtesy Lamp Relay3Retained Accessory Power (RAP) Relay4Power Seats Circuit Breaker5Power Windows Circuit Breaker6Inadvertent Power Relay7Door Lock Relay8Headlamp Ground Relay9Driver Door Unlock Relay10Door Unlock Relay GMC Yukon XL 2500 2000 Main Fuse Panel/Board – Fuse Symbol Map