Having problems with your Saturn SL1 ?
I just put a 97 sl1 motor in my 96 sl1 and there is one plug on the harness that looks like a square. I can't find out where it goes. the motor is a 1.9 sohc. It is the only plug that looks like a square and it reaches somewhere under the intake manifold.
Check for the mass air flow sensor plug,and the throttle position switch plug.
Repair Help & Product Troubleshooting for Saturn SL1
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