1999 GMC Sonoma Owner's Manual - Page 301

yellowblue Fuse/Circuit Breaker 2 3 Usage Cigarette Lighter, Data Link Connector Cruise Control, Body Controls TBC, Cruise Module, Cruise Switch Gages, Body Controls TBC, Instrument Panel Cluster, B+ Power Parking Lamps, Power Window Switch, TBC, Ashtray Lamp Not Used Headlamp Switch, Body Controls TBC, Headlamp Relay Courtesy Lamps, Inadvertent Power Relay HVAC Control Head Turn Signal Instrument Panel Cluster, Engine Controls Interior Illumination 4 5 6 7 Fuse/Circuit Breaker A B 1 Usage Not Used Not Used Not Used 8 9 10 11 12 6-63