I have a 1990 LX that was modified to use a 130A 3G alternator. I have gone through two 130A alternators and I have the same exact problem. The problem that I have is that at idle, the alternator doesn't seem to be providing enough output. When I have my lights on, the ammeter gauge on my dash points to the lower-normal range. If my stereo is on, then it dips even lower. When I am cruising at highway speeds, the ammeter needle points to mid-normal. Shouldn't it point to upper-normal? Can this be a battery issue? The battery is a couple of years old but it _does_ start the car up fine. Can this be a voltage regulator issue? It's just hard for me to believe that the voltage regulator in two different alternators can be bad. Could it be a bad solenoid? I even upgraded the wiring to 4 gauge and bought a brand new D connector but still no success. Any help is greatly appreciated!
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