[Shop-talk] High Hydrocarbons

[Michael Porter]

On 8/28/2013 8:38 AM, Battmain wrote:
> Pre_OBD II still had a diagnostic connector that you could short to see if there are any codes. (at least my cars did.)
>
>

Pre-OBD, GM used what was known as the ALDL (Assembly Line Diagnostic 
Link), usually a 12-pin connector buried in the dash. Jumpering pins A & 
B initiated flash codes on the check engine light.


Cheers.

-- 


Michael Porter
Roswell, NM


Never let anyone drive you crazy when you know it's within walking distance....