07-02-2005 | #1 |
Join Date: Jun 2005
Location: Lancashire England
Posts: 6
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Power Key Bypass
I want to bypass the Power Key
I have a 1990 LT5 Engine fitted to an Ultima GTR. The wiring has been quite a challenge. The engine is running well but have not got the secondary throttles to come in yet. I have only 1 trouble Code 24 VSS signal. I don't think taht should effect 2nd throttles. The power key is my next try but I have no wiring diagrams for a 1990 only 1991 and on. Any body know the resistance values for full power key module and the wiring codes and colors at the ECU. John England
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Using an LT5 1990 fitted to an Ultima GTR and Porsche Box |
07-23-2005 | #2 |
Join Date: Jan 2005
Location: Slidell, LA
Posts: 8
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What is it you are exactly trying to do with the power key?
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07-23-2005 | #3 |
Join Date: Jun 2005
Location: Lancashire England
Posts: 6
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Secondary Power
Hi
I've fitted an LT5 to an Ultima GTR it uses a Porsche G50 gearbox. The cars running well but the second thottles are not coming in. The engine is 1990 and uses a seperate ESC module for the Knock sensor. The power key has been earthed out. There is no speed sensor as I can not fit one to the Porsche box so I get the assosiated trouble code. I sometimes get a cam sensor code. I don't get any vacuum or second injector codes. The engine pulls smoothly with no hesitation. There are no indications of lean mixture. The engine revs up to 7000rpm ok. Can you help? John
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Using an LT5 1990 fitted to an Ultima GTR and Porsche Box |
08-02-2005 | #4 | |
Join Date: Jul 2005
Posts: 5
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Quote:
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08-02-2005 | #5 |
Join Date: Apr 2005
Location: I'm in a constant state of euphoria in the Z!
Posts: 237
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Sounds like an awesome car. Can you post some pics of it when you get a chance? I've never seen an Ultima GTR?
Thanks!! Jim
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