Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

M6 to A4 and A4 to M6 Conversion info requested

Old Aug 29, 2008 | 01:04 PM
  #461  
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Originally Posted by 9000th01ss
The pin has no weather protector on it.
I just took a pin and section of wire that was for the A4 and used it in #44
did it work good ?
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Old Aug 29, 2008 | 07:05 PM
  #462  
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Originally Posted by the_merv
I don't know about the GT).. but I have all the ones for my Camaro Harness, it's a LS1 Harness.
Care to list 'em? I can cross ref 'em with both sets of pinouts.

Thanks,
Frank
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Old Aug 30, 2008 | 12:51 PM
  #463  
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Quick question... Lets say I wanted to do this.. and I didnt get my pcm tunes.. Will the car start and be able to drive?
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Old Aug 30, 2008 | 12:52 PM
  #464  
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it will start and drive fine, it will just throw a bunch of codes.
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Old Aug 30, 2008 | 12:56 PM
  #465  
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Originally Posted by Ryans99ls1
it will start and drive fine, it will just throw a bunch of codes.
cool. Thanks.
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Old Aug 30, 2008 | 02:03 PM
  #466  
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Originally Posted by Engine_HP
did it work good ?
Yes, I just used a regular butt connector to join the two wires, put some silicone in the ends to weather proof those, and tucked the connector in with the rest of the wires.
I guess if I wanted to I could have pulled the pin and complete length of wire out and not had to put a splice in it anywhere.
Or just swap pin positions and cut the wire down at the A4 harness.
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Old Aug 30, 2008 | 11:13 PM
  #467  
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Originally Posted by fmowry
Care to list 'em? I can cross ref 'em with both sets of pinouts.

Thanks,
Frank
You mean the PCM Connectors..?
I have the ones that I took out of mine still labeled on the 4L60E Tranny Connector for refrence..

Originally Posted by Ryans99ls1
it will start and drive fine, it will just throw a bunch of codes.
You sure about that..?

I drove a Car that was a M6 Conversion, and it would hold the RPM's thinking it was a Auto when I went to shift Gears.

It was a bitch..kinda cool though in a way cause I had auto-powershift..lol
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Old Aug 31, 2008 | 01:32 PM
  #468  
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Originally Posted by the_merv
You sure about that..?

I drove a Car that was a M6 Conversion, and it would hold the RPM's thinking it was a Auto when I went to shift Gears.

It was a bitch..kinda cool though in a way cause I had auto-powershift..lol
That sounds like a vaccum leak or a TB issue to me. Electronics shouldnt really hold RPMs all that much but who knows what was going on. Ill find out this week when i finish mine up and get back to you haha. Im not getting a tune right away either so i should have a definite answer.
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Old Aug 31, 2008 | 04:54 PM
  #469  
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Originally Posted by Ryans99ls1
That sounds like a vaccum leak or a TB issue to me. Electronics shouldnt really hold RPMs all that much but who knows what was going on. Ill find out this week when i finish mine up and get back to you haha. Im not getting a tune right away either so i should have a definite answer.
There are a ton of differences between the A4 and M6 tunes.
A lot that effect the idle characteristics too.

When I did a 'rewrite entire' on my car with HPTuners it even changed what some of the VCM pinouts did, some went dead, some needed to be pinned and run to new things, like the reverse lockout, etc.
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Old Aug 31, 2008 | 05:09 PM
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^^That is one that I had mentioned about that is needed to pin if you want it to work correctly. For the LS1 F-cars it's PCM RED, PIN #44.

All the Auto ones except for the Fused power should have no signal once the Tune is changed.
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Old Sep 2, 2008 | 07:54 AM
  #471  
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Default Completed T-56 Swap

I just swapped in a T-56 into my 99 TA. It took two days and a lot of headaches but it is done and that feels great.

My major problem was mounting the master to low, this caused a chain reaction of no clutch-disengagement and the clutch pedal was really low (below the brake). I moved the master cylinder up about 3/8" and everything worked great.
There was some unexpected soldering to be done on the clutch switch and I did not expect that.
I used hp tunders for my flash and everything worked perfectly.
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Old Sep 2, 2008 | 12:13 PM
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Originally Posted by zdb350ci
I just swapped in a T-56 into my 99 TA. It took two days and a lot of headaches but it is done and that feels great.

My major problem was mounting the master to low, this caused a chain reaction of no clutch-disengagement and the clutch pedal was really low (below the brake). I moved the master cylinder up about 3/8" and everything worked great.
There was some unexpected soldering to be done on the clutch switch and I did not expect that.
I used hp tunders for my flash and everything worked perfectly.
Happy to hear that....
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Old Sep 3, 2008 | 01:15 PM
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Originally Posted by the_merv

You sure about that..?

I drove a Car that was a M6 Conversion, and it would hold the RPM's thinking it was a Auto when I went to shift Gears.

It was a bitch..kinda cool though in a way cause I had auto-powershift..lol

Ok you guys were right. I started mine and the rpms do hang. I touch the throttle and it shoots up to 2500rpm waits, then drops to idle.
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Old Sep 3, 2008 | 03:06 PM
  #474  
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Originally Posted by Ryans99ls1
Ok you guys were right. I started mine and the rpms do hang. I touch the throttle and it shoots up to 2500rpm waits, then drops to idle.
Wait till you drive one like that and shift at 4K.. it suprises you..
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Old Sep 4, 2008 | 01:48 PM
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Originally Posted by the_merv
Wait till you drive one like that and shift at 4K.. it suprises you..
hahaha thats exactly what i was thinking.
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Old Sep 5, 2008 | 11:30 AM
  #476  
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Ok Merv, which pin can I use for the #44 for the reverse lockout?
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Old Sep 5, 2008 | 07:38 PM
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^^What do you mean..

It's the RED PCM Connector, Pin #44.

Do you mean how to Pin it?
If you are converting from a A4.. save the wire that goes to Pin #42 on that Connector, just pop it out and move it over to Pin #44.
How you pop it out is to take the Connector apart, carefully pop off the Red Plastic piece off of the front of it, and lift up on the plastic clip holding the wire in. As you lift on it, pull the wire out. Take a paper clip and push it through the rubber on #44, then carefully insert the wire you just pulled out into that spot.
On the other end of that wire, which should be near where the Auto Plug was, connect that to the Green wire on the Reverse Lockout Connector.
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Old Sep 8, 2008 | 10:03 AM
  #478  
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Originally Posted by the_merv
^^What do you mean..

It's the RED PCM Connector, Pin #44.

Do you mean how to Pin it?
If you are converting from a A4.. save the wire that goes to Pin #42 on that Connector, just pop it out and move it over to Pin #44.
How you pop it out is to take the Connector apart, carefully pop off the Red Plastic piece off of the front of it, and lift up on the plastic clip holding the wire in. As you lift on it, pull the wire out. Take a paper clip and push it through the rubber on #44, then carefully insert the wire you just pulled out into that spot.
On the other end of that wire, which should be near where the Auto Plug was, connect that to the Green wire on the Reverse Lockout Connector.
Pin #42 is what I was needing to know. I didn't know which PIN I wouldn't be using anymore. That way I dont have to buy a new pin and I can just use the one that is being used in pin #42 ..

Thanks for the other info bc I didn't know all that either.
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Old Sep 8, 2008 | 12:31 PM
  #479  
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No prob..

All you guys are making me jealous.. you are finishing yours up and mine won't be back on the road until Feb..
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Old Sep 14, 2008 | 10:56 AM
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I'm doin an a4 to m6 conversion Can someone please tell me what interior wirin still has to be done if I use a manual harness and since I'm usin the Manuel Harness will the the reverse lockout and and other stuff work like it should or is there still wirin to do to make all this work
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