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Dr. Hamman
Dr. Hamman, Ford Technician
Category: Ford
Satisfied Customers: 6033
Experience:  I have 30 years of Ford Technician experience. I have built many custom Fords, I also collect them.
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Ford Taurus SE: Fuse 28 keeps blowing. Transaxle light is on

Resolved Question:

Fuse 28 keeps blowing. Transaxle light is on consistently. I read another post that you suggested removing the side pan thinking a wire is shorting on the valve body. We've done that and can't see any damaged wires. It seems odd to me that there was transmission fluid in that pan tho with all the solenoids and wiring. We're at a loss at this point. Any suggestions?
Submitted: 1 year ago.
Category: Ford
Expert:  Dr. Hamman replied 1 year ago.

The oil in the pan doesn’t impair electrical flow in any way. It seems strange but oil is used a lot in the presence of electricity. Does it blow the fuse instantly when you put it in or does it take a while to blow.

Customer: replied 1 year ago.

It blows the fuse as soon as you turn the key to the on position.

Expert:  Dr. Hamman replied 1 year ago.

Hi, I am a professional certified mechanic, with an engineering background, and 35+ years experience. I will do my best to assist you. Also keep in mind I don't know if you are a pro or a novice, so feel free to add any additional info at any time.

 



I specialize in electrical problems and I will try to point you in the right direction on this. If the fuse blows as soon as you turn the key on, it makes it a lot easier to find the problem. I know it isn’t good that a fuse is blowing, but an intermittent fuse blow is a really tough to solve. Since you didn’t see a short inside the transmission, we will have to explore a bit to find the problem. I would unplug the transmission electrical connector and put a new fuse in it and see if the fuse blows with the ignition on. If the fuse doesn’t blow then you know the problem is inside the transmission. That will take a little exploring inside the transmission.



If the transmission isn’t the problem then you are going to get into the electrical system to find the short. BotXXXXX XXXXXne is when you have this type of issue no one can tell you what the exact problem is. You already had a dose of that when you opened up the transmission looking for the short. This is a lesson I have learned over and over. There is an inexpensive tool that will allow you track this type of problem. I have used these many times, and cant over stress how well they work. You can find nearly impossible to locate shorts with these tools. I will post a link HERE where you can get one. Without this tool you might have dig a lot deeper to find the problem. The PCM (power train control module) might have a short in it so be on the lookout for this. Go over all of this and if you have any more questions at all, I am here to help. Good luck with it, have a great day, and Thanks for using Just Answer.


I do not get paid for my work unless you rate at 3 to 5 Smiley Faces or Stars, a bonus is always greatly appreciated. If the answer is not clear, let me know what additional help you need, and I will be happy to assist you further.


Dr. Hamman, Ford Technician
Category: Ford
Satisfied Customers: 6033
Experience: I have 30 years of Ford Technician experience. I have built many custom Fords, I also collect them.
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Dr. Hamman
Dr. Hamman
Ford Mechanic
6033 Satisfied Customers
I have 30 years of Ford Technician experience. I have built many custom Fords, I also collect them.