i just had to replace mine, but sounds like you need a 130 amp upgrade, im not sure if it's a direct bolt on, and dont think it's cheap, i just went with a lifetime warranty autozone pos 75 amp
but it works, also check fuses, sometimes a radio going off and on, could have a blown fuse.
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90 lx coupe:5spd, 176k miles, steeda water pump pulley, Mac cold air fenderwell, Mac h-pipe, supercoil, ADS chip, aluminum D/S, Black magic fan, 3.27grs.
Best time: 13.9116(on 225/60/15 firehawks)
Best mph: 98.17
Best 60': 1.9607
next mods:4.10's