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I Have a 2021 F250 that I had a plow installed on. When I lift the plow or angle the plow and it maxs out it really screws with the electronics. Ford says not there problem Fisher says its a ford thing. The truck is the new 7.3 gas with 2 batteries and alternators. Should be plenty of power. Has anyone have any ideas how to fix this problem.
 

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Too much power when it dumps back into the system. Load dump
 

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I just wish one of you, that has this issue, would go out and buy a battery surge protector, for welding on vehicles, and try it,see what happens. Heck,you could probably even borrow one from somebody to try.
 

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Well,we know Ford came out with a reprogramming to handle this, and have heard that it only sometimes works, but GM came out with a wire harness, with some sort of devices in it, for their trucks, 2014 and up.

GM Service Bulletin GM UI Bulletin #124j
 

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I Have a 2021 F250 that I had a plow installed on. When I lift the plow or angle the plow and it maxs out it really screws with the electronics. Ford says not there problem Fisher says its a ford thing. The truck is the new 7.3 gas with 2 batteries and alternators. Should be plenty of power. Has anyone have any ideas how to fix this problem.
does the truck use a current sensor? if so, is the plows heavy negative routed through the sensor?
 

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The 5 times my plow has been on my truck, and all uses in that time I think my electronics went haywire once. Tended to think was going from lift to angle fast. Typically I raise five a second then able or what ever. Never did since.
 
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I Have a 2021 F250 that I had a plow installed on. When I lift the plow or angle the plow and it maxs out it really screws with the electronics. Ford says not there problem Fisher says its a ford thing. The truck is the new 7.3 gas with 2 batteries and alternators. Should be plenty of power. Has anyone have any ideas how to fix this problem.
Hi...2020 Lariat, same deal with power train, charging. Fisher 8.5 straight no problem with electrical at all.
 
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