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Diagnostics port wiring diagram please.?

This is a discussion on Diagnostics port wiring diagram please.? within the Computer & Tuning forums, part of the LSx Technical Help Section category; Hello I went to have my car inspected and they plug into the diag. port, the inspector said the port ...

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    Member RARON455's Avatar
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    Diagnostics port wiring diagram please.?

    Hello I went to have my car inspected and they plug into the diag. port, the inspector said the port was not comm. with the computer and that the port did not have any power on it, Does anyone have a wiring diagram for this so I can try to trace the problem out, I bought a haynes manual and it does not have this diagram. Thanks car is a
    1998 trans am, M6

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    First thing I'd check is be sure the CIG/ACCY fuse isn't blown - it powers the DLC port and the most likely problem. obdii.com doesn't have a complete wiring diagram, but shows the pins if the fuse is good, so you can check for power with a meter.

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    Member Pirate BlackJack Jay's Avatar
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    hey... i dont have access to alldata from my computer but i used mitchell 1 on demand and this is what i came up with... hope it helps... if not i'll get


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    Member Pirate BlackJack Jay's Avatar
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    i meant to say i'll get you a better one in class on monday... i am sure i can take a break from rebuilding my 350 engine to look that up for u... it is automotive related... i'll also check out my friends 99 ta and ask him if he knows somthin about that.. i have a camaro.. so i cant really help u there..

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    Quote Originally Posted by 2001NBMZ28 View Post
    First thing I'd check is be sure the CIG/ACCY fuse isn't blown - it powers the DLC port and the most likely problem. obdii.com doesn't have a complete wiring diagram, but shows the pins if the fuse is good, so you can check for power with a meter.
    +1..

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    Member RARON455's Avatar
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    thanks fellas the fuse is good, this thing is drivin me nuts.

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    Member Pirate BlackJack Jay's Avatar
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    Quote Originally Posted by RARON455 View Post
    thanks fellas the fuse is good, this thing is drivin me nuts.
    u use my diagram or u need another one?

    oh u might enjoy this article...


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    Member Pirate BlackJack Jay's Avatar
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    oh there were a few mistakes btw.. like its a 300 and the mechanic thought the 300 was a peice of junk.... and i didnt fix my car's problem i made chevy do it for free.... since they messed it up....

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    Member RARON455's Avatar
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    Thanx pirate that diagram was correct and helped me fix the problem!!!

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    Member Pirate BlackJack Jay's Avatar
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    Quote Originally Posted by RARON455 View Post
    Thanx pirate that diagram was correct and helped me fix the problem!!!
    welcome bro....

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