TM 9-2320-392-10-1
M1083A1 SERIES THEORY OF OPERATION - Continued 0003 00
ELECTRICAL SYSTEM Continued
Main Light Switch (Vehicle S/N 18,550 to 199,999) - Continued.
3.
When the SER DRIVE key is selected, the headlights, taillights, marker lights, and
clearance lights illuminate, and the stoplights illuminate when the master power
switch is turned on and the brake pedal is depressed.
4.
When the PANEL BRT key is selected, the instrument panel assembly lights are
illuminated.
0003 00-26
