WHERE IS DIAGNOSTIC PORT ON 91 OLDS CUTLASS SUPREME 3.1

  • Tiny
  • lmmowerman
  • 1991 Oldsmobile Cutlass
  • 125,000 miles

Looking for port to hook scanner to find codes

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Tuesday, December 13th, 2011 AT 2:25 AM

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  • Tiny
  • factoryjack
  • Expert
  • 4,262 posts

I believe under the dash, to the left of the steering column, by the park brake.

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Tuesday, December 13th, 2011 AT 2:30 AM

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