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Old 06-15-2016, 05:22 AM   #4
Drew in Houston
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Join Date: Aug 2006
Location: PA/MD
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Did you confirm that the Cobalt valve has the same impedance as the correct Saab unit? You might also check for frayed or rubbed through wiring. That loom breaks down there and the the wires can rub open with vibration and engine movement.

Whether the fuse blows or not might just be related to you moving the wiring around when you mess with the valve. "Beating on it" probably won't change the current draw in a circuit, but it might make the engine move further, making a short in damaged wiring.
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