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Manual vs auto ECM

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Offline zav6a

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Manual vs auto ECM
« on: March 17, 2012, 06:46:58 PM »
Have an 89 manual ECM.  Want to install an auto.  I realize the loom will need some work but are the ECMs interchangeable?
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Offline Drone637

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Re: Manual vs auto ECM
« Reply #1 on: March 19, 2012, 10:30:47 AM »
With an 89, is this a Samurai or a Sidekick/Tracker?  You could switch to the Volvo automatic, since it does not require a separate TCM (Transmission Control Module).
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Offline Rhinoman

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Re: Manual vs auto ECM
« Reply #2 on: March 19, 2012, 03:58:45 PM »
You can run the auto ECM, the loom should be the same you'll just have to add any extra wiring to the trans and the lock up relay. If the loom is different then its no big deal as there are only a few wires to add.
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Offline zav6a

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Re: Manual vs auto ECM
« Reply #3 on: March 21, 2012, 08:51:06 PM »
Thanks all.  And Bret at TT says my manual ECM will work as long as I don't care if the lockup works.
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Offline Drone637

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Re: Manual vs auto ECM
« Reply #4 on: March 21, 2012, 11:56:24 PM »
I have read about people wiring up the lockup to a switch so they can turn it on while on the highway.
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Offline Skyhiranger

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Re: Manual vs auto ECM
« Reply #5 on: March 23, 2012, 01:03:02 PM »
Quote from: zav6a on March 21, 2012, 08:51:06 PM
Thanks all.  And Bret at TT says my manual ECM will work as long as I don't care if the lockup works.

I guess you are putting in a 3 speed auto?  If so, then what Brent told you is correct.
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Offline zav6a

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Re: Manual vs auto ECM
« Reply #6 on: March 23, 2012, 08:53:03 PM »
Yep, should have said 3spd.
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