TM 10-3930-659-20 6-67. STE/ICE CHASSIS WIRING HARNESS MAINTENANCE (Con't). 4. Connect STE/ICE chassis wiring harness connector (16) to STE/ICE turn signal/emergency flashers and blackout lights wiring harness connector (15). 5. Connect two STE/ICE chassis wiring harness connectors (13) to under cab wiring harness connectors (14). TA707917 6-257