Hot Rod Forum banner
voltage fluctuation
1-1 of 1 Results
  1. Electrical
    Here is what is going on: Voltage will (sometimes) hold at 13.8-14V on a 3 wire alt (140 amp) chevrolet 350 setup. As soon as the headlights come on, you see a voltage drop of .5-1 V, the compressor for air ride, another 1-2 V and so on. I also see a voltage drop with an increase in engine rpm...
1-1 of 1 Results