TM-9-2320-280-10 HMMWV Operator Manual Download
Page 53 of 405
TM 9-2320-280-10 2-4 Change 1 NEW CONFIGURATION KEY ITEM AND FUNCTION 1 Directional signal lever activates turn signal lights. 2 Warning hazard control activates the warning flashers. 3 Horn button activates vehicle horn. 4 Baffle operating rods slide open to allow heated air into crew compartment. 5 Fresh air intake lever is pulled back to allow fresh air into crew compartment, or pushed forward to close. 6 Simplified Test Equipment/Internal Combustion Engine-Reprogrammable (STE/ICE-R) diagnostic connector is attaching point for the vehicle test meter (VTM) to facilitate vehicle electrical and engine systems diagnoses. 7 Transmission shift lever is used to select vehicle driving range, “R” (reverse), “N” (neutral), “D” (drive), “ o D ” (overdrive) (M1123 and A2 vehicles only), “2” (second), “1” (first), and “P” (park). 8 Transfer case shift lever is used to select vehicle driving range, “L” (low range), “N” (neutral), “H” (high range), and “H/L” (high lock range). 9 Transmission indicator lamp comes on when ignition switch is turned on, and goes off when ignition switch is turned off. It is used to flash the diagnostic trouble codes when the transmission control module (TCM) is placed in the diagnostic mode. 10 Transfer case indicator lamp illuminates when transfer case has completed the low-range shift and high lock range shift. 11 Parking brake lever is used to apply parking brake. Safety release button must be depressed to release parking brake in new configuration. 12 Fording control switch (deep water fording kit only) allows operator to select “VENT” during normal operating conditions or “DEEP FORD” for deep water fording. 13 Steering wheel lock cable permits steering wheel to be locked to prevent unauthorized use of vehicle.