avi4t

i have a Honda civic 88 automatic that gives a error code 20. i already tried replacing the main fuse box. the voltages are around were it should be(usually a volt less then it should be) but when i change the high/low beams on the car starts to die. while the beams are off the car runs but still lacks power on take off. i have similar symptoms like

http://www.automobile.hondaciviclx.c....php?p=3434683

has but he has an error 16, with mine it has 20. (my car isn't flooding.) when i go the speed i need it at, it could stay there, but still have problems with the beams. also had a speed sensor error code 17 for awhile, got these codes when i went 50 miles. Please help asap!!!!!I'm ready to strap a couple pounds of c4 to it and blow this car up.

that was my first problem i changed out the alternator now it takes 1-2 mins be for the car dies be for it would take 2-3 sec and also now only when it is in revers the battery light comes on i hate wiring because i am not good at it