2011 Expedition electrical problem

[Gordon Shumway]

Went our to start the expedition several weeks ago and it was dead no click or anything so i assumed the battery was bad and replaced it. Also replace the positive cable end. Now every couple of days when i try to start it it is dead, no click or anything. I discovered if i disconnect the battery and reconnect it, it starts right up. Have taken it to the dealer and they cant figure out what is wrong with it.

 

[riphip]

Check the rear window wiper to see if it works correctly.

https://www.expeditionforum.com/threads/battery-keeps-dying.44028/#post-399351

 

[mrbadwrench]

If the rear wiper checks out you'll need to do a parasitic draw test. Learn to do it yourself if you can because it can take a lot of time.

 

[Yupster Dog]

Went our to start the expedition several weeks ago and it was dead no click or anything so i assumed the battery was bad and replaced it. Also replace the positive cable end. Now every couple of days when i try to start it it is dead, no click or anything. I discovered if i disconnect the battery and reconnect it, it starts right up. Have taken it to the dealer and they cant figure out what is wrong with it.

Do a voltage drop test. sometimes the new terminals can be the problem. also test the rest of the cables. this is a good starting point and easy to do. You don't need a full multimeter to do it just a digital volt meter.

https://www.expeditionforum.com/threads/voltage-drop-testing-for-no-start.26144/