TM 9-2350-261-20-1(2) Cable assemblies — continuedWhen cables are connected, the large key (1) located by the white stripe (2) on the cable connector mates withlarge keyway (3) of connector on VTM or transducer.(a) Diagnostic Connector assembly Cable W1 iS used to power the VTM and provide access to testpoints and sensors connected to vehicle/equipment mounted DCA.There is no DCA capability in the M113A2FOV presently.(b) Test probe cable w2.The test probe cable for both general and special measurements. It is used formeasuring voltages, frequency, resistance and continuity, and also for the first peak series and compressionunbalance tests. W2 is divided into two color coded leads, red for E1 and black for E2. Test clips El and E2 ofW2 attach to points on the vehicle/equipment being tested.(c) Ignition adapter cable W3. The ignition adapter cable W3 is used in measuring dwell angle, pointsvoltage, engine rpm and power tests. W3 is divided into two color coded leads, red for E 1 and black for E2.Cable W3 is not used in the M113A2 FOV.(d) Transducer cables W4. The transducer cables W4 are used as extensions to connect the VTM to apressure transducer, pulse tachometer, current probe or ignition adapter cable. If necessary, two transducercables can be joined using connector adapter, TK item 29.3-240Change 1
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