Interior Fuse Box Location: 1999-2007 Chevrolet Silverado Click to view0:17Electrical components such as lights, heated seats and radios all have fuses in your 2007 Chevrolet Silverado 1500 Classic LT 5 V8 Extended Cab Pickup (4 Door). This free video shows you how to replace a blown interior fuse on a 2007 Chevrolet Silverado 1500 Classic LT 5 V8 Extended Cab Pickup (4 Chevrolet Silverado 3500 Classic - 2007 Fuse Box Diagram Silverado 3500 Classic - 2007 Fuse Box; If a locked door is opened without using the. key in the driver’s door key cylinder or the RKE. transmitter, a ten second pre-alarm will occur. The horn will chirp and the lights will flash. If the. key is not placed in the ignition and turned to.