Trouble Shooting: Notes

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, and 2003 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For information not covered in this article, see STARTER - GENERAL TROUBLE SHOOTING .

Note condition and operation of SECURITY indicator light (if equipped). If SECURITY indicator light stays on or flashes continuously, repair anti-theft system as necessary. See THEFT DETERRENT . Check starter solenoid terminals and battery grounds. Check for proper installation of aftermarket electronic equipment. Check IGN-A (40-amp) fuse located in underhood fuse/relay center. Check CRANK (10-amp) fuse, located in instrument panel fuse block. If problem is found repair as necessary. If problem is not found, perform self-diagnostics. See SELF-DIAGNOSTIC SYSTEM .