Generac — METER COULD BE DAMAGED.

A Generac service procedure — check it applies to your exact model before use.

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Procedure

1. 3. If not already done, disconnect the red (+) and white
2. (-) wires from the solenoid coil (see Figure 10).
3. 4. Use an accurate volt-ohm-milllammeter (VOM) to
4. test solenoid coil resistance, as follows (Figure 11):
5. a. Connect one VOM test lead to terminal end of the
6. red wire; the other test lead to the outer (right hand)
7. terminal. Read the resistance.
8. b. Connect one meter test lead to terminal end of
9. white wire; the other test lead to outer (left hand)
10. terminal. Read the resistance.

Source: manual:83045.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.