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OBD1 connector

Tiny
JERRY WILLIAM EXLINE III
  • MEMBER
  • 1995 BUICK CENTURY
  • 2.2L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I have tried connecting several scan tools to my car and non of them worked. I'm trying to get images of the wiring diagram on the ports. Can anyone help me out?
Saturday, March 9th, 2019 AT 12:46 PM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

There are three possible connectors for 1995. I attached them all for you to view.

Please tell me which one you have.

Roy
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Saturday, March 9th, 2019 AT 3:18 PM
Tiny
JERRY WILLIAM EXLINE III
  • MEMBER
  • 3 POSTS
I'm not sure which it would be. Below is a picture of mine. It only has three pins on it.
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Sunday, March 10th, 2019 AT 12:08 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Got it.

You have the oddball connector. You cannot bring out blink codes on that connector. You need someone with an OBD 1 scan tool with the correct connector to access the system.

GM used that for one year. It was a transition year to OBD2.

Roy
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Sunday, March 10th, 2019 AT 12:13 PM
Tiny
JERRY WILLIAM EXLINE III
  • MEMBER
  • 3 POSTS
Would by chance know what that connector is called or refered to as so I may be able to find a adaptor of that'll work?
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Sunday, March 10th, 2019 AT 12:17 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
It will not adapt to any OBD2 reader. It has to be for an OBD1 system only.
I had one for the old snap on MT 2500. I had to buy it separately from snap on.

Roy
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Sunday, March 10th, 2019 AT 12:25 PM

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