Voltage Control

Shop Mechman® voltage control products including external regulators, RVC bypass modules, GM 2-pin RVC modules, single-wire turn-on harnesses, and voltage boost harnesses for lithium and AGM battery systems.

Many late-model GM, Ford, and Toyota vehicles use computer-controlled charging that varies alternator output based on conditions the factory ECU decides, not on what your electrical system actually needs. Voltage control products let you bypass or override that behavior so a high output alternator can charge at a consistent target voltage.

Module and harness compatibility depends on your factory connector, regulator type, and battery chemistry. Review the product notes carefully, and see our plugs and harnesses for connector adapters.