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1989 Chevrolet S10 Iac Valve

1b. This will plug into the A and B terminals of the Assembly Line Data Link (ALDL) plug, located under the dash near the fuse panel. The A and B terminals are the top two on the far right. With the jumper in place, I turned the key to the on position, waiting 30 seconds before unplugging the IAC.
1989 Chevrolet S-10 Tune-Up - Maintenance With a Shot of Whoop Ass

 1b. This will plug into the A and B terminals of the Assembly Line Data Link (ALDL) plug, located under the dash near the fuse panel. The A and B terminals are the top two on the far right. With the jumper in place, I turned the key to the on position, waiting 30 seconds before unplugging the IAC.  View Related Article

 

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