Mechanics

WHY DOES MY DIAGNOSTIC LINK ONLY HAVE TWO WIRES

1994 Chevrolet Beretta • 160,000 miles

Cant check codes because only have two wires on far right top and bottom
Avatar
Smedly
January 18, 2012.




Here's what it should have

http://i1198.photobucket.com/albums/aa448/Wrenchtech/57461554.gif

Wrenchtech
Jan 18, 2012.
It only has wires to the a and m pins

Tiny
Smedly
Jan 18, 2012.
That's all it needs.

Wrenchtech
Jan 18, 2012.
It has wires only to the a and the m pins
AD

Tiny
Smedly
Jan 18, 2012.
Should it send codes through the a and m pins then?

Tiny
Smedly
Jan 18, 2012.
It will if you are using the right equipment which I doubt you are. The scan tool has to provide external power because OBD1 links are not powered.

Wrenchtech
Jan 18, 2012.
Was told to use a jumper wire to view codes

Tiny
Smedly
Jan 18, 2012.
They say to jump the a and b terminals

Tiny
Smedly
Jan 18, 2012.
Not on that one.

Wrenchtech
Jan 18, 2012.
What do I need to read my codes?

Tiny
Smedly
Jan 18, 2012.

AD