Question about 2000 Chevrolet Venture

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2000 CHEV VENTURE ,FUEL PUMP WILL NOT CUT IN ....

The fuse are good,I think there is a short or ground in the wiring to the pump.Would some of the pins be baad..

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Unplug fuel pump harness at pump and use a test light and see if turns on when someone starting van. If it does then plug it back in. and try hitting the tank where the pump is while someone is starting it. If it starts replace the pump. If no light comes on then test the fuel pump relay.

Posted on Apr 12, 2009

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Posted on Jan 02, 2017

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Sorry to say it could also be a faulty ECM. The ecm uses circuit boards to provide grounds to a bunch of components and can short out internally.
Most of those components can fail and cause the same problem by causing a short "thru" the ECM. Things like injectors, O2 sensors, and so on.
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that gray wire is the fuel pump power supply . You cut the wire were an positive tested it ??? An what does that mean . you positive tested it ? Wish you people would learn to talk like a mechanic would ! If you cut the wire near the relay an checked with a ohm meter or a test light with B+ volt , of couse it going to show ground ! It's going through the fuel pump windings to ground on the other side . What fuse keeps blowing ?ECM B - 20 amp ? This powers the fuel pump as well . May not even be the fuel pump circuit blowing the fuse . You need to find everything that fuse powers and isolate the different circuits . Videos on youtube showing how to find a short .

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My fuel gauge was not working so my son ran a jump wire for the ground at the fuel pump and now the truck wont start i am afraid he may have shorted something is there a fuse for the fuel pump or a relay...


YES THERE IS A FUEL PUMP FUSE IN THE FUSE PANEL. I THINK HE MAY HAVE JUMPED A HOT WIRE AND GROUNDED IT INSTEAD OF A GROUND WIRE. HOPE THIS HELPS. GOOD LUCK.

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You have a short to ground.What that means is,you have a power wire...............that is grounding on the vehicle somewhere,or possibly back in the fuel pump.The fuel pump theoretically could be shorted internally causing the problem.It also could be a wire or wires back where you were working possibly got pinched.Disconnect negative battery terminal until problem is solved.

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