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I did a tran swap in a 1990 gmc 1500 when I got done truck ran for a half mile trip then died replaced fuel pump and it still wont start

Seems like sumthing is pulling the battery down to

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Check and make sure that you didn't get wires pinched between the transmission bell housing and engine.

Posted on Apr 13, 2019

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Check your ground cables .

Posted on Apr 12, 2019

  • Mike Calvert
    Mike Calvert Apr 13, 2019

    Thanks, I had started checking motor to chassis grounds when it started snowing and I had enough for that day when I get back to it that's where ill start.

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POSSIBLY A BAD ALTERNATOR GM PRODUCTS HAVE A BUILTIN VOLTAGE REGULATOR AND WHEN IT GOES OUT THEY ARE DONE KAPOOT

Posted on Apr 12, 2019

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Posted on Jan 02, 2017

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SOURCE: 2000 chevy silverado 1500 4.3 eng

Chevy Trucks, Blazers, S10 pickup and the like will vapor lock ecspecially the 2000 models. Do not tighten the gas cap past 1 click. There is a tube that runs from the top of the tank down and this gets hot and collapses or burns in half. We just bought a reinforced rubber tube cut it to lengh and use it instead of part and it's worked grat for 2 years so far.

Posted on Feb 01, 2009

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SOURCE: 1990 F150 Fuel pump just replaced but wont turn on

Replace the fuel pump relay. And if your truck has dual tanks there's three fuel pumps, one in each tank and another secondary fuel pump.

Posted on Aug 21, 2009

  • 181 Answers

SOURCE: our truck just died and wouldnt start. we

diesel or gas engine. if you have a power stroke, look at powerstroke.org

Posted on Aug 30, 2009

greezy_je208
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SOURCE: 1998 gmc 2500 sle 5.7 wont stay running

this is in fact the right answer check the oil guage in the truck it should read about 375.

Posted on Dec 15, 2009

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SOURCE: 1995 nissan pickup truck fuel problem

Fuel injected or carb? Make sure fuel line itself is clear. Some pumps are designed to self regulate (carb systems) some continually pump and a psi regulator sends back the excess fuel back to the tank (fuel inj systems) If the line is obstructed then pump can't deliver fuel fulltime.

If you think pump is not on consistent, try running a dedicated wire through a switch directly to the pump. If it works then you are looking for an electrical fault going to pump. Good luck.

Posted on Mar 10, 2010

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