Hi, I have the following problem: Vehicle: Mazda MX-5, NB, built in 1999, 110 hp car starts hard when it is running, it runs well, but: the power consumers make difficulties. e.g.: giving gas = light becomes darker, clutch = light again bright. Also: when light is off, the ventilation becomes stronger again and radio turns on again and again on its own. Was therefore already in 3 heat stations, I got the following statements: 1. Workshop: Controller of the LiMa is defective. ” 2nd workshop: Controller of the LiMa is defective. “The controller sits directly on the LiMa”, replace, cheaper. 3. Workshop: Battery is defective. Can be excluded, however, since with others tried. Questions now: Which version is correct? And where does this controller really sit? If the controller is in the control unit, can a LiMa be installed from the NA, if there is the controller directly and it is LiMa? Would I be pleased with quick answers.