Ford — Service Procedure
A Ford service procedure — check it applies to your exact model before use.
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Procedure
- Connect the negative lead of the voltmeter to the
- Record the battery voltage reading shown on the
- Connect the red lead of a tachometer to the
Source: manual:194-216 Ford LSG-423 2.3L Industrial Engine Service manual (May1986).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.