4r100 faulty signal - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 09-29-2019, 05:43 AM Thread Starter
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4r100 faulty signal

I cant remember the exact code , pulled at a transmission shop , but i was told it could be either a bad solenoid pack or a faulty wire going to solenoid pack. I pulled the solenoid pack and checked the Ohms and all were in specs.
So how do i check the connecting pigtail for a problem before i go stripping the wire loom looking for frayed wires? I have spent countless hours trying to locate something on the internet , but have gotten nowhere.
Also, I was having problems with my TPS and have one ordered. Will that have anything to do with my OD light blinking?
symptoms. harsh jerk between 1/2 gears..temp higher than normal for daily driving due to increased pressure, so I'm told. Other than that she drives smooth.
Ohms reading on solenoid...
1-2 20.5 20-30 range
1-3 20.5 20-30
1-4 14.3 10-20
1-5 20.6 20-30
11-12 4.6 3.0-5.0
7-8 32k 16k-37k temp between 69*-104*F

Any help would be appreciated. I like to learn and try fixing my own problems before taking it to a shop. Not that i dont appreciate skilled/professional mechanics, its just that i love the dollar as much as the next guy.
Jeff Simpson is offline  
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