Buy a haynes repair manual for chevrolet &gmc pickups, covers suburban and tahoe the 1999 chevrolet tahoe exhaust diagram, for bank 2, can be obtained from most chevrolet dealerships. Hot in park with ignition off. If you have access to a fax number, pm me the number and i can fax you a wiring diagram for the starter circuit.
03 tahoe radio wiring diagram
03 tahoe wiring diagram