Caterpillar — Testing and Adjusting, “Wiring Diagrams”.: Test Step 2. CHECK THE CURRENT
A Caterpillar service procedure — check it applies to your exact model before use.
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Procedure
- C. Start the genset.
- D. Add load to the genset.
- 5 and 6 for a 1 Ampere current transformer
Source: manual:CAT VR6 Service Manual.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.