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by electrons
Tue Apr 07, 2020 3:40 pm
Forum: Technical Discussions
Topic: Any advice. Lost 30%+ range and Dealer said no dice
Replies: 5
Views: 3542

Re: Any advice. Lost 30%+ range and Dealer said no dice

$500 to balance a pack? What are they going to do, take them out of the car and put on scale? "Hey, the lower is heavier than the upper!" I've heard of 'balancing' before. https://batteryuniversity.com/learn/article/bu_803a_cell_mismatch_balancing And it has something to do with keeping cells of si...
by electrons
Tue Apr 07, 2020 12:22 pm
Forum: Technical Discussions
Topic: Replace 12V battery in 2017-2018 FFE
Replies: 8
Views: 79

Re: Replace 12V battery in 2017-2018 FFE

At first I thought I should just pro-actively replace my 12v battery before it inevitably fails, but maybe it's really better just to put one of those "Portable Jump Starter" batteries in the compartment below the rear cargo area where a charge cord goes. .... many models available on amazon or walm...
by electrons
Sun Apr 05, 2020 3:18 pm
Forum: Technical Discussions
Topic: "Yellow Wrench" light while driving in the rain... later red warning!
Replies: 30
Views: 1194

Re: "Yellow Wrench" light while driving in the rain... later red warning!

Thanks for the encouragement. I installed the water shield, along with winter tire change out. It was indeed easy to put in. $147 with shipping. I didn't see the cheaper ebay one soon enough that Heima found, so others can get it cheaper. I cleaned the area where the metal plate attaches the connect...
by electrons
Sun Apr 05, 2020 5:19 am
Forum: Technical Discussions
Topic: "Yellow Wrench" light while driving in the rain... later red warning!
Replies: 30
Views: 1194

Re: "Yellow Wrench" light while driving in the rain... later red warning!

Anyone have the part number for the splash shield? CM5Z-9916A315-A High Voltage Lower Battery Connector Shield TSB 20-2004 for installation of the Water Shield: https://static.nhtsa.gov/odi/tsbs/2020/MC-10170911-0001.pdf The old Field Service Action which got folded into TSB 20-2004: https://static...
by electrons
Fri Apr 03, 2020 6:11 am
Forum: Technical Discussions
Topic: "Yellow Wrench" light while driving in the rain... later red warning!
Replies: 30
Views: 1194

Re: "Yellow Wrench" light while driving in the rain... later red warning!

Heima, good points. Yes Twitter may turn out to do something, Its hard to tell. One can Tweet to @Ford and someone like "Drew", who DM'ed me back, asked me about some more story details and he set up a Case Number, although it so far looks like he wll just throw it back to the dealership for now. I ...
by electrons
Wed Apr 01, 2020 4:23 pm
Forum: Technical Discussions
Topic: "Yellow Wrench" light while driving in the rain... later red warning!
Replies: 30
Views: 1194

Re: "Yellow Wrench" light while driving in the rain... later red warning!

Filed an NHTSA complaint explaining how Ford won't add the water splash shield thingie even though they have an admitted problem, as proven by FSA 16B02 and TSB 20-2004. Called Ford Customer Service; she barely spoke English, thick accent, but got the points through. She said "You have to do dealers...
by electrons
Sun Mar 29, 2020 5:45 am
Forum: Technical Discussions
Topic: "Yellow Wrench" light while driving in the rain... later red warning!
Replies: 30
Views: 1194

Re: "Yellow Wrench" light while driving in the rain... later red warning!

Heima, interesting analysis. I didn't know it was an Eaton Bussman part. Also, you might be right that Ford was naming low-volume sales states with road salt laws on purpose with FSA 16B02. I tried to get my dealership to go ahead and perform TSB 20-2004 which was really an expanded version of 16B02...
by electrons
Sat Mar 28, 2020 6:50 am
Forum: Technical Discussions
Topic: "Yellow Wrench" light while driving in the rain... later red warning!
Replies: 30
Views: 1194

Re: "Yellow Wrench" light while driving in the rain... later red warning!

Given the splash shield is only around $123 or so and easy to install (TSB 20-2004 shows it is), I'll just order the dang part and complain to the dealership that they gave me a band-aid solution without helping me with the real underlying root problem: Water ingress causing amp surges. That disconn...
by electrons
Fri Mar 27, 2020 11:53 pm
Forum: Technical Discussions
Topic: "Yellow Wrench" light while driving in the rain... later red warning!
Replies: 30
Views: 1194

Re: "Yellow Wrench" light while driving in the rain... later red warning!

Heima, Did you find out there is a 350 amp fuse inside the switch from a Workshop Manual? Per my 1st post, the yellow warning came on while driving. I continued several miles to home OK, & the car continued under full power. (( Only the HV battery can power the main electric motor. The 12v system ca...
by electrons
Fri Mar 27, 2020 2:00 pm
Forum: Technical Discussions
Topic: "Yellow Wrench" light while driving in the rain... later red warning!
Replies: 30
Views: 1194

Re: "Yellow Wrench" light while driving in the rain... later red warning!

There is a high-voltage wiring issue with the battery near the drivers side rear-wheel. Water can get in there and cause some corrosion in the connectors. Wow, I just took a picture of that. Awful they put the connectors so close to the tire back there! https://i.imgur.com/fO0qAS2.jpg Now I see why...

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