WHERE IS DIAGNOSTIC PORT ON 91 OLDS SUPREME 3.1

1991 Oldsmobile Cutlass

Tiny

lmmowerman

December, 13, 2011 AT 2:25 AM

Looking for port to hook scanner to find codes

FOUND 830 RELATED QUESTIONS

Ecm Problem

88 ANSWERS

1 Answer

Tiny

factoryjack

December, 13, 2011 AT 2:30 AM

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

Please login or register to post a reply.

Code Read Retrieval/Clear Scion XD
 Step by Step video GMC Yukon XL 2000-2006