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NO power in Drive?

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Old 03-29-2012, 02:30 PM   #1
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Exclamation NO power in Drive?

When I shift into drive, my Jeep has nearly no power to move forward. It baaareelly goes when I give it gas. Reverse works fine, and I can shift into 1-2 to go forward no problem, but 3 and D don't work. What's going on? I need this car!
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Old 03-29-2012, 02:38 PM   #2
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I'm going to check my trans fluid real quick..
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Old 03-29-2012, 06:14 PM   #3
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Dang, fluid level is good....what should I check?
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Old 03-29-2012, 06:52 PM   #4
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Go up under the dash on the passenger side. The TCU is located there. In it's harness, wrapped in yellow tape, is an inline fuse for the power to the TCU. REmove it and inspect it.
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Old 03-29-2012, 08:14 PM   #5
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Quote:
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Go up under the dash on the passenger side. The TCU is located there. In it's harness, wrapped in yellow tape, is an inline fuse for the power to the TCU. REmove it and inspect it.
Thanks will do that right now!
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Old 03-29-2012, 10:14 PM   #6
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Quote:
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Go up under the dash on the passenger side. The TCU is located there. In it's harness, wrapped in yellow tape, is an inline fuse for the power to the TCU. REmove it and inspect it.
That fixed it....why did it fix it? What's the TCU? Cruiser to the rescue. Again!
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Old 03-29-2012, 10:29 PM   #7
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That fixed it....why did it fix it? What's the TCU? Cruiser to the rescue. Again!
Cuz that fuse is inline with the power to the Transmission Control Unit aka TCU.

No power, no shifty.
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Old 03-29-2012, 10:39 PM   #8
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BTW, fuse blown or just a crappy connection?
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Old 03-29-2012, 11:48 PM   #9
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BTW, fuse blown or just a crappy connection?
Ah I see! Goody. The harness wasn't all the way in..
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Old 03-29-2012, 11:50 PM   #10
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Ah I see! Goody. The harness wasn't all the way in..
What harness wasn't all the way in?
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Old 03-30-2012, 12:32 AM   #11
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What harness wasn't all the way in?
The line that had the fuse in it has a harness at the end that goes to a silver box under the dash and it wasn't all the way in the box. I bet that silver thing is the TCU.
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Old 03-30-2012, 06:29 AM   #12
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The line that had the fuse in it has a harness at the end that goes to a silver box under the dash and it wasn't all the way in the box. I bet that silver thing is the TCU.

Sure is. Go drive your Jeep and enjoy it.
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