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How do I use a jumper wire to get diag. Code on 1995 Chevy Truck

Tiny
JOHN45
  • MEMBER
  • 1995 CHEVROLET SILVERADO
  • 25,000 MILES
Want to use a jumper wire to get engine code to tell me whats wrong
Saturday, November 5th, 2011 AT 5:16 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
You can't do it on that truck. You can't even use and OBD2 code reader on that one. It's a transition year and it has an OBD2 connector with an OBD1 system. You need a professional scan tool for that one.
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Saturday, November 5th, 2011 AT 5:44 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,864 POSTS
Connect terminals "A" and "B" together, then turn on the ignition switch. In every one I've ever seen, A and B will be right next to each other in one corner. One of the two pins will be missing in each of the other three corners of the plug.
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Saturday, November 5th, 2011 AT 5:45 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
There is no "A" or "B" on this one.
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Saturday, November 5th, 2011 AT 5:50 PM

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