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Need DBW help!!!!

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Old Jan 28, 2015 | 07:32 PM
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Default Need DBW help!!!!
So I am rounding third base on my RX8 swap. Here is the run down on my setup. 0411 pcm, 2002 corvette TAC and pedal, 2005 GTO TB (6 pin), and a 2002 Corvette OS. I curious how to wire the TB to the TAC. My TB only has one 5V and low red wire. The TAC uses two. I have heard to tie both 5V ref wires from the TAC to the TB and same with the Low ref. when I power the TAC and move the pedal the TB doesn't move. When I power the TAC up the TB blade snaps closed and relaxes. Any input guy or do I have to use the 8 pin ls2 TB?
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Old Jan 29, 2015 | 12:56 AM
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Nobody?
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Old Jan 29, 2015 | 10:21 AM
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come on guys. wanna get my RX8 going. SOOOOOO CLOSE!!!!
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Old Jan 29, 2015 | 11:13 AM
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Why are you trying to use an 05 GTO TB rather than an 02 vette TB?
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Old Jan 29, 2015 | 11:17 AM
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Bc im using a FAST 90 intake and LS2 TB is 90mm vs the 02 Vettes 75mm. Its a common swap for guys to use the LS2 TB on C5s.
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Old Jan 30, 2015 | 05:05 PM
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https://ls1tech.com/forums/generatio...dy-pinout.html
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Old Feb 7, 2015 | 07:45 AM
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Did you get this solved? If so, please post your solution for the sake of the archives.

Thanks.

Tipsy
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Old Feb 7, 2015 | 05:37 PM
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Not sure if this helps, planing on using this on my C5 with a fast 90 intake and LS2 TB. I just havent had the time to put it on

http://www.summitracing.com/parts/cei-108115
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Old Feb 7, 2015 | 09:40 PM
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its tricky.i bought the adapter but had to repin it. my issue is that it functioned in reverse. if it snaps closed it is in safe mode from not seeing the correct signal.
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Old Feb 7, 2015 | 09:43 PM
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try swapping 5v ref and tps ground. also try swapping the motor control wires. i just swapped until it finally worked
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Old Feb 11, 2015 | 01:25 PM
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Originally Posted by 98TA6.0
So I am rounding third base on my RX8 swap. Here is the run down on my setup. 0411 pcm, 2002 corvette TAC and pedal, 2005 GTO TB (6 pin), and a 2002 Corvette OS. I curious how to wire the TB to the TAC. My TB only has one 5V and low red wire. The TAC uses two. I have heard to tie both 5V ref wires from the TAC to the TB and same with the Low ref. when I power the TAC and move the pedal the TB doesn't move. When I power the TAC up the TB blade snaps closed and relaxes. Any input guy or do I have to use the 8 pin ls2 TB?
Solution:

Originally Posted by 98TA6.0
Just flashed the pcm with a corvette OS and used the 6 wire tb with the 02 corvette tac. Only used one of th 5v and low ref instead of both. All there is to it

.
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