Is there something special to get the ses codes off the 86-87? Shorting pin a to pin b only makes the light flash fast. It has a SES light on so want to check it.
Alternatively I could use a pinout for the computer.
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Buickmastermind
1986 LeSabre Limited
Flame Red Metallic
3.8l V6 new rebuild
Custom cold air intake
K&N Air Filter
Dual exhuast
Shift kit