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
Here's what it should have
It only has wires to the a and m pins
That's all it needs.
It has wires only to the a and the m pins
Should it send codes through the a and m pins then ?
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.
Was told to use a jumper wire to view codes
They say to jump the a and b terminals
Not on that one.
What do i need to read my codes ?
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