i drove to work the other day in my 1988 soft top mwb land cruiser with a 13 bt engine fine after leaving work i noticed that my charge was very high and sat on 32v the whole way home(24v system) i didnt think any thing of it ,the next morning i was heading to work and the batttery and red turbo light came on aswell as the pre heat staying on i stopped immediatly and got towed home . i then removed the pre heat positive and negative to stop that working so that i could drive to work it was going fine with both the the battery and turbo light on but is still over charging ..... i need help