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JkC824 · 04-05-2007, 05:23 PM

can someone please help me? I'll try to explain my best. I just bought a 1987 GMC 350, It has dual gas tanks and the PO told me that the right one needed a new pump so i put one in and it still didn't work. So i checked the switch. That was the problem. I started and both worked an then i tried to start it again and now my truck won't start at all. I have power at the switch and back to the plug where u connect the tanks in but as soon as i plug the tanks in i lose power at the switch and tanks and the truck will not start. PLEASE HELP ME! Could this be the oil pressure safty sensor switch?

04-05-2007, 05:23 PM	#1
JkC824 Registered User Join Date: Apr 2007 Location: PA Posts: 7	Help Me can someone please help me? I'll try to explain my best. I just bought a 1987 GMC 350, It has dual gas tanks and the PO told me that the right one needed a new pump so i put one in and it still didn't work. So i checked the switch. That was the problem. I started and both worked an then i tried to start it again and now my truck won't start at all. I have power at the switch and back to the plug where u connect the tanks in but as soon as i plug the tanks in i lose power at the switch and tanks and the truck will not start. PLEASE HELP ME! Could this be the oil pressure safty sensor switch? Last edited by JkC824; 04-05-2007 at 08:58 PM.



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