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
  • 4,237 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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