This boost mod is designed to raise the stock 14.2V cold toyota voltage set point
to either .4V higher (stage 1) or .8V higher (stage 2)
To provide better performance from your stock or high amp alternator that are limited to this
To provide better performance from your stock or high amp alternator that are limited to this
voltage. Any toyota, lexus, or scion will accept this boost plug (it will plug in between the factory
harness and the alternator)
this only works in square plug Toyota and Lexus alternators.