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I am ralph, new member and wondering if anyone can tell me anything about this plug

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I am ralph, new member and wondering if anyone can tell me anything about this plug

  #1  
Old 02-02-2019, 03:05 PM
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Default I am ralph, new member and wondering if anyone can tell me anything about this plug


same plug, somewhat different view

 
  #2  
Old 02-02-2019, 04:10 PM
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I suspect that it is an OBD1 diagnostic port. If your car is a 95 or earlier that is the type of port it would have. Some vehicle information would be very helpful.
Andy
 
  #3  
Old 02-04-2019, 01:16 PM
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Is that in the engine compartment or under the dashboard? IDK, just asking. If everything works the way it's supposed to, I'd guess it's just an accessory plug for something your car doesn't have.
 
  #4  
Old 02-04-2019, 03:15 PM
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This plug is located directly under the steering column in a huge cluster of wires; some leading to the ignition switch. I initially thought it was part of my crank no start issues Ive had. I thought best case was the sensor in the ignition lock cylinder disabling the fuel. last night I went through all fuse boxes,(for a second time) and verified all plugs were tightly secured, tried a couple of the reset system procedures and to my delight it fired right up and has started for last 5 times. Im very wary that I fixed the problem and it will happen again. I do know I must learn how to use multimeter as a lot of the tests require it. I also had unplugged the center plug on pcm under the radio and re-plugged it in. So im Not sure what the fix was

 
  #5  
Old 02-04-2019, 04:31 PM
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Based on your description of its location, it is indeed an OBD diagnostic port as Andy had suggested.

Sweeping the contacts as you did on the PCM connector and pins may have done the trick. You mentioned reset procedures. Was one of them a passlock reset? These cars are notorious for having passlock security issues that get worse with time and age.
 

Last edited by derf; 02-05-2019 at 01:54 PM.
  #6  
Old 02-05-2019, 08:23 AM
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A can of CRC Electrical Contact Cleaner on your work bench is well worth the $8 or so you'll pay. You might want to consider getting a can.
 
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