generac generator symptoms of a bad battery charge rectifier

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Install a new 7.5 Amp fuse (Page 35) and begin the diagnostic flow to determine the cause of the fuse blowing.

### Step 1: Fuse Holder Inspection
Check that the fuse holder is not grounded.
*   **FAIL:** If the holder is grounded, replace the holder (Page 35).
*   **PASS:** If the holder is not grounded, proceed to disconnect Wire 15 at the J3 terminal on the engine controller circuit board (Page 35).

### Step 2: Wire 15 and Circuit Board Isolation
With Wire 15 disconnected from the J3 terminal, attempt to operate the unit.
*   **NO (Fuse does not blow):** Replace the engine controller circu

Generac QuietPact 40G/40LP Repair Guide

Generac generator symptoms of a bad battery charge rectifier

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