LT1 EFI Question/OBD II

[Ron Tyler]

> All OBDII vehicles must have the connector defined by SAE J1962.  

> 
> If the connector has pin 2, 7 or 10 then it is OBDII.
> If the connector has a pin 2, but no pin 7 or pin 10 it uses the J1850 VPW
> standard
> If the connector  has pin 10, but no pin 2 or pin 7 it uses the J1850 PWM
> standard
> If the connector has a pin 7, but no pin 2 or pin 10 it uses the ISO 9141-2
> standard


FWIW, I had the J1962 connector and none of the pinouts described. The
PCM is from a '95 F-body. I disposed of the J1962 and installed an ALDL
-- 
Ron & Stephanie Tyler
'72 LT1/T56 240Z
http://www.whit.org/jcaudle/LT1-3.jpg