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92 Gt won?t start unless I ground the OBD1 port top right side I?m taking I got a bad ground can?t find it
 

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how did you elec test, and not find a bad ground?
 

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how did you specifically test?

where did you put the leads?

and NO, ohm test is not good for testing a ground, you do a voltage drop test on an energized circuit.
 
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