Why is the battery light not working on my Ford F-150?
Why is the battery light not working on my Ford F-150? Ford have a nasty habit of not taking care of the battery terminals which will always throw the charging system thru a loop. A lot of times its these simple connections but we throw $$$ thinking that's the issue because some forum says so... 3 people found this helpful. Start a new Ford F-150 question. What's the battery voltage on a Ford F-150? Batter light stays on. Battery Voltage gauge is at about 75% to the top. With engine off, I’m getting 12.4 volts at the battery. After starting,...