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Alternator wiring - 05 GTO harness with Vette alternator

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Old 02-09-2012, 10:15 PM
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Default Alternator wiring - 05 GTO harness with Vette alternator

I'm using the CTS-V / G8 GT accessory kit on my 05 GTO LS2 harness for my swap. I have just about all the wiring figured out but I'm struggling to find some good info on this alternator.

Here's what I have:


GTO Alternator from left to right:
1-gray
2-orange

Vette alternator from left to right:
1-red
2-gray
3-red
4-empty

I need to cut the GTO plug off of the harness and attach the new 4 pin plug. I just need to know exactly what wires are going to where and what their function is?

.
Old 02-10-2012, 09:26 PM
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Originally Posted by MX6.0
...I need to cut the GTO plug off of the harness and attach the new 4 pin plug. I just need to know exactly what wires are going to where and what their function is?

.
Can't help you on the wires, but why not de-pin the connectors instead of cutting them? All it takes is a $4.00 Metripak tool...
Old 02-11-2012, 12:04 AM
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Connector Part Information
• 7223-6224-40

• 2-Way F (GY)

Pin
Wire Color
Circuit No.
Function

A
WH
2
Battery Positive Voltage

B
BN
25
Charge Indicator Control/Charge Indicator Signal
------------------------------------------------------------------------



Connector Part Information
• OEM: 12186684

• Service: 15306009

• 4-Way F Metri-Pack 150 Series (BK)

Pin
Wire Color
Circuit No.
Function

A
--
--
Not Used

B
OG
225
Generator Turn On Signal

C
GY
23
Generator Field Duty Cycle Signal

D
RD/WH
2540
Battery Positive Voltage
Attached Thumbnails Alternator wiring - 05 GTO harness with Vette alternator-1.gif   Alternator wiring - 05 GTO harness with Vette alternator-2.gif  
Old 02-11-2012, 12:11 AM
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The 04 GTO are internally regulated. 05-06 are a PCM controlled generator to help MPG. They are Mitsubishi alternators.

Last edited by Jontall; 02-11-2012 at 12:31 AM.
Old 06-16-2013, 09:26 PM
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Take a look at the pins on your alternator. On mine, even though there we're 3 wires on the pigtail, there were only 2 pins on the alternator (no actual pin connected to the "D" wire). Mine only used the center 2 pins that were labeled L and F.



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