Re: OT not starting 1996 chevy tahoe

Posted by Revredneck on April 03, 2007 at 06:19:38 from (216.51.219.140):

In Reply to: OT not starting 1996 chevy tahoe posted by jaker2 on April 02, 2007 at 20:00:55:

It sounds like your fuel pump relay isn't working. There is a fuel pump fuse also. It should be in the big fuse and relay panel under the hood (but check the panel in the dash, too). Check the fuse first.
The fuel pump is controlled by the computer. It should come on for about 2 seconds when you turn on the ignition, then when you crank the engine, it should come on full-time. There is also a switch located in the oil pressure sender that will bypass the relay when oil pressure gets up. If if won't get juice to the pump after cranking long enough to build oil pressure, it's either a bad fuse or bad wiring. There is a pigtail somewhere under the hood that should allow you to put 12 volts into it and make the fuel pump run, but I don't remember where it is. Usually a red wire, if memory serves. Also, be sure the ground is good in the wiring harness to the tank. Good luck and God Bless,
Tommy

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