TM  5-5420-226-20-1 Symptom-2 DETAILED TROUBLESHOOTING PROCEDURE VEHICLE OPERATION -  POWERPLANT, STARTING (Continued) FROM STEP o¹² ! ~ Check front    accessory harness (CKT    54A)    at bulkhead dmconnect for   electrical power (MASTER Second Technician (Operator’s Station) l   Set    MASTER BATTERY switch OFF. First Technician (Commander’s Station) l   Displace front accessory harness from bulkhead disconnect (page 10-269). l   Set    multimeter to   measure 18  to   30   volts dc   or   use STE/ICE Test No. 89   (page 4-81). l   Connect red    probe of   meter to   contact B   (CKT 54A) of   front accessory harness connector at bulkhead disconnect and    black probe to   ground. l   Check    if   meter    indicates 18  to   30   volts dc. Does    meter indicate 18  to   30   volts    dc? 1 I I 0- n + 0 1, II TO   VEHICLE GROUND l*v!?q (’”T 54’)” BULKHEAD DISCONNECTS (ON    RIGHT BULKHEAD) o l   See   Step 67 . P T^{l   Check    front    accessory} harness (CKT    54A)   at bulkhead disconnect for electrical power (MASTER BAITERY switch ON). TA106835 4-146