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Use a test light. Attach the alligator clip to a good ground and pierce the power supply wire going into the switch. Turn the key on and there should be power for 2 seconds. Then pierce the wire coming out of the switch to the pump and cycle the key off, then back on. There should be the same 2 second on signal. If you have power going into the switch, and no power coming out, it's bad.

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โˆ™ 2006-04-07 18:28:34
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Q: How do you know if the fuel shut off switch is good it seems like it is already pushed in HELP?
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