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90 Silverado Code Reading Issues

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Jul 18, 2012, 12:57 PM

Post #1 of 2 (1125 views)
90 Silverado Code Reading Issues Sign In

1990 Chevy Silverado, 5.7 ltr V8, 185K ...Having a problem with service port, unable to pull trouble codes. Upon inserting tester into port, no response from tester. I am trying to locate the power and ground wires from port back to computer. Any Ideas would be appreciated

Hammer Time
Ultimate Carjunky / Moderator
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Jul 18, 2012, 1:15 PM

Post #2 of 2 (1109 views)
Re: 90 Silverado Code Reading Issues Sign In

What are you plugging into this?


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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