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post #1 of 10 (permalink) Old 02-28-16, 12:35 PM Thread Starter
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Transmission wiring and sensor issue

I have a 2000 Ranger pickup, automatic, 4.0 liter engine. The transmission has wires going to sensors (presumably a sensor for each of the gears?) and the wires are burned or have been shorted out in the past.

My question is which way to go - would it be better to buy a new wiring harness for the sensors or get an older transmission that has no sensors?

Something older could have a lot more miles on it but if I buy a harness and discover that the sensors are bad I could be up for more money than getting an older transmission.

Anyone know this issue or have an opinion?

Thanks - rev

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post #2 of 10 (permalink) Old 02-28-16, 05:21 PM
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Re: Transmission wiring and sensor issue

The Trans should have a bulkhead connector and a couple speed sensors. It may seem harder to replace the wiring but I would look for replacement harness. To replace to a non electronic Trans will be very difficult.
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post #3 of 10 (permalink) Old 02-29-16, 08:11 AM Thread Starter
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Re: Transmission wiring and sensor issue

R: Thanks! I feel the same way but what's the probability that the sensors were the cause of the problem? I could end up blowing a new harness and be back where ai started. I'm trying not to open a can of worms, do you think the sensors are most likely still OK?
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post #4 of 10 (permalink) Old 02-29-16, 10:26 AM
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Re: Transmission wiring and sensor issue

I've never seen a sensor ,solenoid cause a harness to melt. It must have been shorting, resting on the exhaust.
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post #5 of 10 (permalink) Old 02-29-16, 04:59 PM Thread Starter
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Re: Transmission wiring and sensor issue

Great! I'm glad you said that. I couldn't see how it would happen either. Thanks a lot for your replies!

rev
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post #6 of 10 (permalink) Old 03-01-16, 02:32 PM Thread Starter
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Re: Transmission wiring and sensor issue

Is this the right thing to buy?

4R44E 4R55E Transmission Internal Wire Harness 1995 Up New Fits Ford | eBay

Thanks - rev
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post #7 of 10 (permalink) Old 03-01-16, 09:06 PM
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Re: Transmission wiring and sensor issue

What harness is melted? External or internal wiring? For internal that looks correct.
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post #8 of 10 (permalink) Old 03-02-16, 07:43 AM Thread Starter
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Re: Transmission wiring and sensor issue

I believe it's external but I've never seen the old one so I don't know what I'm trying to replace.
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post #9 of 10 (permalink) Old 03-02-16, 05:37 PM
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Re: Transmission wiring and sensor issue

Well the one in the picture is the internal transmission harness if outside wires are melted that's not them.
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post #10 of 10 (permalink) Old 03-02-16, 06:27 PM Thread Starter
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Re: Transmission wiring and sensor issue

It's become a moot point. The owner decided to install an older transmission that doesn't have any sensors.

Thanks to all.

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