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 GS Auto to Manual swap Vris issues? 
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Joined: August 04 2014, 11:41 PM
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Post GS Auto to Manual swap Vris issues?
Ok, so my attempt to fix the auto transaxle in my '93 was a fail, so I'm swapping over to manual.
I've pulled all the relevant parts from a wrecker donor car and am preparing for a seamless swap...my question for those in the know is, how do I best deal with the Vris issues mentioned in the sticky? Is there a wiring trick or should I pull the whole engine harness from a manual car ?

Ryan wrote:
I have just discovered that everyone with a MTX swap and an ATX engine harness has a VRIS issue where #1 stays open and #2 stays closed all the time.

Working on resolving it, its a result of the wiring being different...

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August 28 2014, 11:58 PM
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Post Re: GS Auto to Manual swap Vris issues?
Just Search 'ATX to MTX swap', there's a lot of posts covering this with various problems encountered and resolved.

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August 29 2014, 12:51 PM
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Post Re: GS Auto to Manual swap Vris issues?
zipties

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August 29 2014, 8:52 PM
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Post Re: GS Auto to Manual swap Vris issues?
Daninski wrote:
Just Search 'ATX to MTX swap', there's a lot of posts covering this with various problems encountered and resolved.


Believe me, uber lurking has provided me with many hours to read up on the swap ( search doesn't parse the word swap btw) prior to asking this question.
I only ask, as I could not find an answer to the vris issue with atx harness/ecu with mtx. I have thoroughly researched the rest.

Sleeper6 wrote:
zipties

Agreed, though I am wanting a more elegant solution...i suppose i will pull the engine harness and ecu from a donor to get fully functional vris. I have a kl31 ecu waiting in the wings for an eventual kl motor upgrade for this car, so this is probably a better way to prepare for the future.

Ryan wrote:
The best way to do this is to use an MTX harness as well. There is some anomaly that I haven't found a solution to that stops the VRIS from working when you use an MTX ECM with an ATX harness.

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1996 MX-3 GSR Silver Stone 5 spd 4.11:1
1993 MX-3 GS Clear White Auto -> 5 spd 4.39:1
1993 MX-3 GS Blaze Red 5 spd - traded


August 30 2014, 12:13 AM
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Post Re: GS Auto to Manual swap Vris issues?
I have the engine bay harness for sale. It has been modified for the HEI/External coil module. Also no EGR plug, you won't need it since you're getting the KL31. But I am happy to sell it to you if you're interested

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August 31 2014, 7:01 PM
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Post Re: GS Auto to Manual swap Vris issues?
Thanks SuperK, however I spent my Labour Day at the local pickapart pulling a mtx harness and ecu as well as some zx2 rear control arm brackets for both of my cars in preparation for poly bushings. These cars are getting rarer and rarer...I appreciate the offer of assistance :D

If you've got or will get mini side skirts and/or a doubledecker, I'm you're paypal :lol:

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1993 MX-3 GS Clear White Auto -> 5 spd 4.39:1
1993 MX-3 GS Blaze Red 5 spd - traded


September 02 2014, 11:58 PM
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