FORD LINCOLN NAVIGATOR PARASITIC DRAW KILLS BATTERY DIAGNOSIS & FIX

In today's video we take a look at a 2004 Lincoln Navigator with a V8 5.4l engine. The owners complaint is that when he parks the car for the night, then tries to start it up in the morning. The battery is dead. The owner has already had to purchase 3 new batteries in the past year. Judging by the symptoms it sounds like we are dealing with a parasitic drain on the battery. This means that even while the vehicle is turned off, something is staying on and draining the battery. Let's see if we can find out what it is!
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Disclaimer:
Due to factors beyond the control of Advanced Level Auto, I cannot guarantee against improper use or unauthorized modifications of this information. Advanced Level Auto assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Advanced Level Auto recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of Advanced Level Auto, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Advanced Level Auto.

[@avasonsyn]

Between Eric here, Eric O and Eric the car guy, if you name your kid Eric they will grow up to be Awesome Auto Technicians. That's just science right there. Awesome work again!

[@ErikTheVikingMechanic]

Almost there lol

[@SouthMainAuto]

@@ErikTheVikingMechanic 🤣

[@the_retired_mechanic]

I felt your pain upside down in that car. I always open doors and latch them at the start . Once you established the cause it was easiest fix ever. 👍

[@Autokey_Security_Services]

Hey use an Infrared Camera to find parasitic draw... You can see what fuse and or module has a load on it from the temperature difference... its pretty fun and very fast to find the suspected circuit..

[@DLMorel]

Its amazing to watch you disconnect wiring with one hand and still make the video with your other hand.

[@richard1835]

Thank you Eric for spending the time and effort to help your viewers understand Parasitic Battery Drain. You sure picked a hard vehicle to teach with.

[@jamaalburrows9548]

Ive been watching these vids for about two weeks now, u have earned my subscription.

[@glennfields8121]

Extremely useful video. You provide an incredible service to your viewers. Now I know why my back hurts so damn bad as I have contorted myself in very much the same way trying to repair our family vehicles. Thanks again. Great job. Thanks for reminding viewers about "waking up' modules and how to avoid doing so.

[@angusalamezie6193]

I want to appreciate you and Oz mechanic. Thank you all for what you have done for me.

[@stealthg35infiniti94]

Eric, Excellent job is finding the parasitic drain. You did a fantastic job in explaining the step by step method of finding the problem even a novice would understand.

[@juanrodriguez-ry6yt]

after 48 years of strugling with electrical i purchased a flir tg167 first time i used it i found a glowing alt. i am sold. you rock my brother

[@jonasnyruprikkinen4103]

Incredible troubleshooting! Sir you need to stop apologizing, there is no need, because you do great work, and fantastic info and knowledge to the rest of us. Keep it up if you enjoy it 🤩

[@richard1835]

Lincoln Navigator. A vehicle with multiple modules and a ton of wiring. Thank you Eric. Great Auto Electric Troubleshooting Video.

[@jameshuddy5625]

Nicely done my friend finding a parasitic draw in a Ford is so difficult because of the modules waking up all the time. You showed incredible patience waiting for everything to go back asleep thank you awesome video

[@mikechiodetti4482]

You did it right, good diagnosis! It's those 45 minute waits that are tough, and Ford's Smart Junction Box can be real joy to work on.

[@kingsleycollins6730]

From UAE watching, You did well man... I like the way u patiently sorted things out. Nice one

[@robertmedina6875]

Great video as usual Eric! Thanks man! I just did a draw on a 2006 z71. It was factory fog lights !

[@DanOKC]

Like your approach to isolating the problem.

[@mrfunnylookinhayes9088]

Man really great video. My kids mom having issue with her battery draining every two days. I told her she need to drive the truck.

[@jollymary2801]

Learned something new today. I really like your train of thinking....

[@richard1835]

You gotta swing from a vine or go upside down to check that fuse box without an open door access. Great job. Excellent diagnostic work.

[@HouseCallAutoRepair]

Fantastic as always Eric! Try looking for voltage ACROSS fuses, so you don't need to disturb them! (I'm out of commission for a short while. No vids until I get my computer data recovery)

[@jyao5409]

Yep... there is a table out there for reference

[@allenotis8616]

typical voltage drop 5mv per amp across 15A fuse . Measuring parasitic currents this way can be done, but you need a voltmeter with 50 microvolt or better resolution .

[@juergenscholl2843]

Thank you for the video. If you don't feel like voltage drop testing the fuses while searching the draw you may want to pull fuse by fuse but not put them back in until you pulled all of them. That way you'll avoid waking up components and you don't have to wait for them to power down.

[@stevenq.singleton1012]

Stay true and kind to yourself. Thank you for recording!

[@adrianking5736]

Appreciate the effort you make to bring us great videos. Awesome.

[@Justme-ed7of]

When I was dealing with the same problem, I just had made leads long enough to take multimeter in the car with me. So I didn't need to have a helper. Additional leads voltage drop was irrelevant.

[@zrkn1]

Great detective work, very educational and entertaining. The heat and humidity in cramped spaces must have been unbearable but you overcame it and kept moving forward. You are doing a good job!

[@turtlebro4498]

Awesome work. i never would have thought that to be an issue

[@GapRecordingsNamibia]

A semi easy one, and good fault finding technique... Well done.

[@hectorgomez3580]

Exactly because of this video i did my drain check on my Vw mk4 👍🏻

[@davidgesswin1536]

Eric keep up your good work you help alot of people .

[@adamtrombino106]

I'm glad you said something about letting Fords time out for about 40 mins to an hr. Service data says this, and covers all vehicles from about '00 to about '11. It has been my experience that the smart junction fuse box battery saver relay sticks, and will cause about a 400mA draw. Sometimes it's just the relay, other times the magic box. If so, the box must be programmed to make the remote key fob work, even with the same P/N. Glad you found the issue!

[@carmenjimenez8233]

Muy interesante nunca pensé q ese sería el problema nunca me a pasado gracias por tu tiempo para enseñar .

[@derofromdown-under2832]

As Murphy dictates, you start removing fuses at one end, but Murphy makes it that you should have started at the opposite end. I feel for you Eric. It must have been a real pain... An excellent fault find and diagnosis... WELL DONE!!! 10/10

[@JohnDiMartino]

On a truck that old I’d wire that DVD player to a key on source and call it done. Great job ,excellent job on the diagnostics as always!

[@gabrielsaldana8913]

Awesome job guy's, thanks for the training!

[@JT-lq4yd]

This case was hard for Eric being hot, upside down. Great video! Keep them coming, I am learning a lot. If I am not mistaken, the IR emitters for the wireless headset were illuminated.

[@abrhaassad5516]

Hey man thank you for this video !!! Appreciate your time and effort

[@alex4alexn]

These are such awesome vids, i learn so much! thanks buddy

[@justinwiechmann1035]

Bad ass dude! bad ass way of diagnosing the problem

[@hillelsalzman21]

So much fun watching you brother!

[@unclemarksdiyauto]

Great video Eric. I was going to suggest trip the door latch/actuators so the vehicle “thinks” the doors are closed, but you did it before the end of the video. Always fun to record in one hand and remove DVD from ceiling with the other hand. Thanks for the video. They are always educational!

[@akhtarkh]

If the DVD unit is still operational, perhaps you can install an on-off toggle switch on the housing to disconnect the power when not in use.

[@fredsalter1915]

Maybe a firmware update woulda fixed the DVD player. It seems like it was not going to sleep when the car was turned off.

[@scientist100]

@@fredsalter1915 internal short but the op has the idea of a true solution. I actually did this on a GPS system. I installed a relay that was triggered by the ignition switch, usually these modules have direct power and another power circuit powers them on internally. A short would cause amp draw like this, very typical with radios too because they have direct current and ground.

[@lucasatsuo123456]

And if you see 19:36 the dark spot on the right of the DVD has like 2 small purple lights. Which I think are the Infrared LEDs to read the remote controls input. Indicating it was on

[@LessThanHandy]

Awesome video - always learning from you. Thank you.

[@ganeshnarayan5505]

Great job Eric and Great video thanks for sharing.

[@Nvable]

Great diagnostic. 👍

[@gilron9585]

great video! I like the methodical checking of the problems :)

[@husaintalaq6460]

Very nice video. It's very educational. Following you from Saudi Arabia. Thanks

[@joshuaburt1017]

You always do good work bro! Keep it up

[@a1automotivelearn208]

Outstanding job Eric bro

[@bxb00t90]

Love the energy your channel rocks keep it up

[@daveco1220]

My new favorite channel🔥

[@tgoodm1]

Great videos as always...

[@TheTruthBeToId]

Very impressive work.

[@YahwehsTexasServant]

You're a genius. Thank you for this video

[@vpimike2646]

Great work Eric. I would recommend that you get a nice garage to take it to and get an air conditioner for it so you can work in comfort 😉

[@mikecont9742]

Great diagnostic video.

[@montehyler]

Another great video! Keep up the good work!

[@stevenlatham4397]

So many gadgets, so many problems... Luxury comes at the cost of dependability. Excellent video. The thumbnail photo is fucking hilarious.

[@menoaz]

Thank you. Very entertaining

[@kapilapatikiriachchige5169]

Awesome Explanation, fantastic

[@hifiman4562]

Excellent work.

[@Dinesh-il1hz]

fantastic job Eric

[@FixIt1975]

You are the man! I'm only about half as good at this than you are

[@richardtregonning954]

You the best from Richard in the UK love the Chanel

[@ebrahimsadeghi5883]

Nice troubleshooting 👏👏

[@borgsimpson935]

Great tutorial. I need one of them labscopes.

[@roxanneabbott8424]

Eric another awesome job!!!

[@dalestephan6777]

Great troubleshooting!!!!

[@MattyEngland]

Nice video as always Eric 👍👍

[@Pbaglio21]

Thanks for the video brother

[@pnwnewsinfo]

I have a 2005 LN and it just started doing this after a battery change. I don't have a DVD player in the Base model. Thanks for this!

[@elizaldefanatico]

Thanks for making this video. It was the same issue draining my battery. There must be an internal issue with these overhead dvd players. Important thing to know is that fuse 21 is the instrument cluster. At first I thought this was my issue. This circuit takes 40 minutes to go to sleep. If you pull the fuse leave it out and test the other fuses. If you put it back in you will have to wait another 40 minutes for it to go to sleep again.

[@arthurfricchione8119]

Nice find Eric. Go get something cold to drink and cool off. Stay safe and well Artie the heat is bad up here in New York also. 👍

[@richard1835]

Great idea using the jump pack as your power source.

[@1964huerta]

Awesome video thanks for sharing!

[@7minnow]

Great Job!

[@freddyangulo9804]

Great video bro,my Navi is doing the same thing most likely is the same problem...👍👍👍👍

[@cyberslacker5150]

Great video! I was following your wiring on Mitchel. Maybe you should have started with the door latches on all 4 doors closed but the doors open. That way you have access to the inside of your vehicle. Also make sure that it's the supply wire to the fuse box that's taking the amps and not any other line.

[@scroberts9316]

I feel for you with the extreme heat, cramped and uncomfortable quarters, all while trying to do the work. My back's always sore after working under a dash, or around the kick panel areas.

[@steveedwards1072]

Greetings from Pearland. Great job Eric. Peace

[@danman9017]

wow working in that heat.thanks

[@fredsalter1915]

Eric dropping the F-bomb. It's about time! LOL! Fantastic vid, sir. Shoulda opened all doors originally.

[@luis140500]

Great job man 👍

[@khalidkfy7368]

Very nice work 💪

[@rogersiples3335]

Great job!

[@gfccbgjxvhd874]

Super vidéo 👍 thanks

[@tayyabahmad9453]

Good work brother

[@dannzx]

great video and the moral of the story is it's always the last fuse...👍

[@TbirdThunderHD]

Great work!

[@NeoAndersonReloaded]

Great job Remember less is better. They want us to buy all this extra crap with causing more problems later. I miss the 80's/90's

[@0099958]

Good job

[@GMZee559]

Great video Brotha‼️‼️👏👏👏👏

[@fire7765]

Great job

[@edwardjames6070]

thanks Eric

[@davidwaters5348]

Another good video Eric

[@iiro173]

Nice work 💪👍

[@Truthcanbeconfusing]

YOU ARE THE MAN!!!!

[@mansouralblooshi3004]

Good job bro.

[@jonk6137]

Good find

[@Veronica-jt6ps]

Thank you

[@carlbyington5185]

you.... the MAN !!!!