Repair Manual Mobile Generator - Wacker Neuson
Repair Manual Mobile Generator - Wacker Neuson
Repair Manual Mobile Generator - Wacker Neuson
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G 70 ECM/Sensor Troubleshooting<br />
5.1 Checking Power to the ECM<br />
Prerequisites Fully-charged (12+ Volts) battery<br />
Cable running between battery and starter relay is in good conditon and connections<br />
are good.<br />
Procedure Follow the procedure below to check incoming power to the ECM.<br />
1. Check the voltage between red wire #51 at B+ terminal strip and ground.<br />
Is at least 9.8 VDC measured?<br />
Yes ____ No ____ Your reading<br />
Continue. Check red wire #51 and all wiring between B+<br />
terminal strip and the battery.<br />
2. Check voltage between red wire #49 at START/RUN switch and ground.<br />
Is at least 9.8 VDC measured?<br />
Yes ____ No ____ Your reading<br />
Continue. <strong>Repair</strong> red wire #49.<br />
3. Place the START/RUN switch in the ON position.<br />
4. Check the voltage between red wire #53 at START/RUN switch and ground.<br />
Is at least 9.8 VDC measured?<br />
Yes ____ No ____ Your reading<br />
Continue.<br />
Replace the START/RUN switch.<br />
This procedure continues on the next page.<br />
wc_tx000956gb.fm 39
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