HELP!!! My car is going HAYWIRE!

[Tech5]

1 - 9.87 with the engine off
2 - 13.91 warming up
3 - 13.15 with engine warmed up headlights on and ac blasted


engine off it should be around 12 volts... make sure that battery is good and your connections are top notch.... check the eld like mike said they do an can go bad i had that problem a few times but not likely

[k20ej8]

1 - 9.87 with the engine off
2 - 13.91 warming up
3 - 13.15 with engine warmed up headlights on and ac blasted


engine off it should be around 12 volts... make sure that battery is good and your connections are top notch.... check the eld like mike said they do an can go bad i had that problem a few times but not likely

battery is good, but low on charge. i will check the eld prolly get a new one at the junk yard with a 80A battery fuse that popped also.