WHY DOES MY DIAGNOSTIC LINK ONLY HAVE TWO WIRES

1994 Chevrolet Beretta

Tiny

smedly

January, 18, 2012 AT 10:28 AM

Cant check codes because only have two wires on far right top and bottom

FOUND 16406 RELATED QUESTIONS

Wiring Issue?

68 ANSWERS
134 IMAGES

11 Answers

Tiny

Wrenchtech

January, 18, 2012 AT 10:59 AM

Here's what it should have

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

Tiny

smedly

January, 18, 2012 AT 11:29 AM

It only has wires to the a and m pins

Tiny

Wrenchtech

January, 18, 2012 AT 11:32 AM

That's all it needs.

Tiny

smedly

January, 18, 2012 AT 11:33 AM

It has wires only to the a and the m pins

Tiny

smedly

January, 18, 2012 AT 11:43 AM

Should it send codes through the a and m pins then?

Tiny

Wrenchtech

January, 18, 2012 AT 11:49 AM

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.

Tiny

smedly

January, 18, 2012 AT 11:57 AM

Was told to use a jumper wire to view codes

Tiny

smedly

January, 18, 2012 AT 12:00 PM

They say to jump the a and b terminals

Tiny

Wrenchtech

January, 18, 2012 AT 12:00 PM

Not on that one.

Tiny

smedly

January, 18, 2012 AT 12:06 PM

What do I need to read my codes?

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