Which pins to jumper?
#2
Looks like you have an OBD 1.5 system. This thread may have some useful information for you:
https://blazerforum.com/forum/2nd-ge...n-codes-65927/
https://blazerforum.com/forum/2nd-ge...n-codes-65927/
#3
If your 1995 has a 16 pin connector, the vehicle is equipped with OBD1.5 and you can not jumper pins on OBD1.5 systems, (late production 1995). You must use a scan tool capable of communicating with your PCM. It requires a unique software in the scan tool.
#4
Thank you for the replies. I talked to the mechanic that I take my cars to when I can't figure it out myself, and he said the same thing. I need a scan tool for it. I have a scan tool, but it will only do 98 and later.
#5
OBDII protocol was standardized in 1996, so if your scan tool works on 1998, it will communicate with 1996 & newer. The OBD1.5 was a mid year transition to OBDII. As a result, it requires special software to communicate with it.
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