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

What is it you are exactly trying to do with the power key?

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

Any trouble code will default to reduced power.

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