TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 459 of 1205
DIAGNOSTIC FLOWCHART TRANSMISSION SYSTEM BRAKE SWITCH CIRCUIT TM 9-2320-387-24-l 8108 Check for following resistance across brake switch leads pins 1 and 2 (wires 81OA and 81OB): o R - Brakes Off = R - Brakes On. 1 Check pin j of Jl (wire 291 D) for >12V. 1 NO 9 Follow diagnostic procedure for pin j of Jl to obtain >12V on wire 291 D. YES 0 I Repair wire 81OA (para. 4-80). 2-407