Tranny Swap with a twist

**Naf** · 11-21-2006, 03:54 AM

Dear All,

I hope you all are havin a great Day.

As the topic states i am interested in a tranny sway from a M30 (4L60e) to a M12 (T-56) out of a Cadillac CTS-v.

I found other similar swaps but they are only similar and outdated. I am lookin for Torque settins and Wire diagrams, especially wire diagrams.
Now the twist is i am workin on a 2006 Caprice SS. It is the older sister to the Holden Marano which is the Pontiac GTO. I have found everything i need, but the wire diagram is stoppin me.

I am lookin forward to your replies

Naf

**Sarge** · 11-21-2006, 04:38 AM

YOu want the wire diagram for a 06 GTO M6?

**Naf** · 11-21-2006, 04:42 AM

04 is prefered, but i will take a 06.
Thanx so much

**Sarge** · 11-21-2006, 01:31 PM

Lemme see what I can do man....

**rrrcustom** · 11-23-2006, 11:40 AM

While we're on the topic, has anyone done a swap from an automatic to a 6 speed in the GTO's? I bought a 6 speed because I wanted the wife to not hate me(she doesn't drive manual, and she didn't know I was getting the car (I didn't think I would be getting a new car that morning myself, for that matter), and now I wish I had gotten the 6 speed. Do swap kits come up frequently, or do I need to find a wrecked GTO?

**Naf** · 11-23-2006, 10:56 PM

Thats a good question. I personally do not know of anyone who has done the swap for a GTO, your best guess is to visit a scrap yard, if you wanted to save money, however, you could just visit your local dealer and enquire about the necessary parts. But be prepared to dish out some serious money.

**rrrcustom** · 11-24-2006, 07:42 AM

I would never go through a dealer for most of the parts. Maybe trim parts that show wear after use. Nothing mechanical.

I worked for years as a line mechanic at a Chevy dealership, back in the 90's, so I have the mechanical ability, I just wonder about what's needed to successfully perform the swap these days. Different computer(most likely), but what about anti theft systems? Those are what really throw you for a loop these days. Does the computer have to be programmed to the key?

Also, again, have any of you seen swap "kits" or salvage yards offering these things. I'm sure I could find a wrecked GTO in a yard somewhere. I don't really want to buy every conceivable item involved with the transmission/wiring/computer, just to make sure I get everything needed.

**Naf** · 11-25-2006, 12:16 AM

Eh Sarge,

You still recovering from the turkey?

Anyways just curious about the wirin diagram. Did you get any info yet

**jacobyb** · 11-25-2006, 06:17 AM

I have done a swap from auto to manual on a Honda and it was a PAIN in the ass.

**Naf** · 11-25-2006, 07:44 AM

Originally Posted by jacobyb

I have done a swap from auto to manual on a Honda and it was a PAIN in the ass.

Apples to oranges My friend, Apples to Oranges.

How could you generalize like that....For one you are comparin two completely different...

**rrrcustom** · 11-25-2006, 08:50 AM

I did one on my '89 5.0, and it wasn't much more difficult than changing a clutch. The difficult part was getting the pedal assembly up under the dash. Had to pull the dash away from the firewall, and even then it was difficult. The wiring was easy, and I used the stock auto computer with no problems. That was in a car that was 15 years older than the GTO though, I'm sure the computer part won't be that simple.

**Naf** · 12-03-2006, 12:47 AM

Eh Sarge,

I must be worse than a mesquito in your ear over this, but did you find any info on the wirin? I am so isolated here, and its cold...

**Sarge** · 12-03-2006, 03:53 AM

Hell no....I even ask Pontiac for a wiring diagram for you....no luck....somewhere on this planet is a wiring diagram....

**Naf** · 12-03-2006, 05:36 AM

Painless harness'?

They helped me find the right guy for the new diagram for my 78mm to 90mm fly-by-wire throttle body...
Let me try him for the wire diagram...

Thanx Sarge for your help...

**Naf** · 12-07-2006, 10:00 AM

No luck either...

I am going to bug my dealer for a printout of the wire diagram...I might also take my portable harddirve and copy the whole book...God knows i need it more then they do...