TM 9-2320-360-20-1 SOLENOID SWITCH TEST NOTE ENGINE switch must be positioned and held to START to perform this test. (1) Turn and hold ENGINE switch to START. (2) Place positive (+) probe of multimeter on wire no.  1819 at starter solenoid (3) Place negative (-) probe of multimeter on ground and look for 22-28 volts on multimeter. (4) Check wire no.  1819 on starter solenoid for loose connections or damage if no voltage is measured STE/ICE TEST #70 (1) Connect STEA/ICE test cable to STE/ICE receptacle in cab. (2) Set STE/ICE test select switch to "70". (3) Remove DDEC 6-way power harness connector from ECM. (4) Press and release TEST button (5) Attempt to crank engine while observing STE/ICE display for test results. (6) Install DDEC 6-way power harness connector on ECM. STE/ICE TEST #71 (1) Connect STE/ICE test cable to STE/ICE receptacle in cab. (2) Set STEA/ICE test select switch to "71". (3) Remove DDEC 6-way power harness connector from ECM. (4) Press and hold TEST button until 'CAL' appears in display. (5) Release TEST button and wait for offset value to appear in display (6) Press and release TEST button. (7) Attempt to crank engine while observing STE/ICE display for test results. (8) Install DDEC 6-way power harness connector on ECM. STE/ICE TEST #72 (1) Connect STEA/ICE test cable to STE/ICE receptacle in cab (2) Set STE/ICE test select switch to “72". (3) Remove DDEC 6-way power harness connector from ECM. (4) Press and hold TEST button until "CAL" appears in display. (5) Release TEST button and wait for offset value to appear In display. (6) Press and release TEST button. (7) Crank engine until 'OFF" appears on STE/ICE display. (8) Install DDEC 6-way power harness connector on ECM Check wires on ENGINE switch for loose connections. Change 2  2-371