Originally Posted by MrFatbooty
Resistance definitely would be an issue. I take it this cutoff switch was installed on the power wire for the fuel pump? If the pump is not receiving enough current it can indeed not perform like it's supposed to. 18 ga is some pretty scrawny wire.
im not sure which wire its considered but the yellow with green strip with silver dot wilre that runs along the left side of the car from the back seat was jus cut and tapped into..is that the power wire?