Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Alternator Regulators - LEECE-NEVILLE: Description: Regulator
Turn ignition switch off when working on regulator. Use care to prevent a short circuit between voltage regulator relay and regulator base when working on regulator. Use an insulated tool when making adjustments. Do not ground regulator "F" terminal, nor connect "F" and "G" terminals together when checking for maximum output or regulator contacts will be fused together.
Two unit type has a load (field) relay and a voltage regulator. All units are of the conventional vibrating contact design with the voltage regulator having an upper and lower set of contacts for more precise control under varying load conditions. Load (field) relay has a single core winding and a single set of contacts.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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