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1995 Chevy 1500 Fuel Pump Relay Question

- Chevrolet-1500 PickupPage 1Page 2

This forum post has messages dated from 12/09/08 through 02/29/12, please be sure to read all the messages. If you feel it is old or outdated, please follow up with a question or comment and someone may be able to update it, or reply with newer information if you have it.

02/22/11 19:33

One a wire from the battery positive side to the orange wire at the ecm on the blue connector. Truck should start right up.
03/04/11 16:10

1500 pickup 4.3 tbi.....when i crank over the motor no gas is coming though the injectors.....but when spray fuild into tbi it starts right up....we checked fuel pressure....spark...even some wires on the ecm....and coil.....anyhelp
03/07/11 14:13

Chevy 1500 Pickup;just like Brent#12 fuel want stay running only if you prime the truck change out every thing new to work the fuel system Need Help?
03/15/11 15:29

1995 K1500 5.0L. Truck died on new year's day about an hour and a half from home. My buddy towed me home with his 3500(embarassing). I went to change out the fuel pump and sending unit but found that the problem was burned and stripped wiring going to the fuel pump so I ran new wiring to a toggle switch and told the insurance I installed an anti-theft device! Truck ran great for 3 weeks and then just crapped out again. There's fuel getting to the TBI but one injector siezed and the other is dripping. Bought new injectors only to find that the fuel meter body had a crack in the casting and was leaking. Also found that the wiring to the injector harnesses were frayed and shorting so I replaced those. Truck is running again but now has an odd idling problem. Runs great cold but once hot starts to choke out and lose RPMs then it will catch itself and come back to proper idle but if left unchecked it eventually chokes out and dies. cleaned out the EGR and checked vaccuum lines today and changing fuel filter in case of restrictions. And now I come to realize: Shoulda just bought a new motor!
03/15/11 16:01

95 chevy 2500. Cranked up this morning. Let run. Drove about a mile and it quit. Turned back on drove home. Died in the driveway. Left in my other truck. Came home drove it all around the yard. Went back 15 minutes later. Nothing. Wouldn't even turn over.
03/16/11 21:48

1995 chevy 1/2 ton pu turns over but wont start . changed fuel p.ump , cheked module , coil , alt, no spark volt meator dose not move when key is on . help!
03/29/11 22:43

I searched the question: "1995 Chevy 1500 Fuel Pump Relay Question." Then I read all 30 of the posts that came in. They were all asking for help but there were no responses at all to help them. What gives? Surely someone knows the answer. Usually someone will at least make an ignorant wild shot.

I have the problem too, and as most of the others I have slight variations in the symptoms. I'm wrecking my brain trying to figure how to test and isolate this thing. I need my truck back.

A friend told me my truck had a "roll over" switch that has gone bad and shut the power off to my fuel pump. Another asked my mileage claiming that the manufacture designed this to happen at 116, 000 miles so you would have to cough up some money. Is this the best I am going to find? I am a shade tree mechanic with no money so The Chevrolet Garage is as far away as Siberia. help me . . .

04/05/11 12:49

1> Start small and cheap: check your wiring. No cracks or burns. Make sure there's ample voltage going to your pump or your relay or whatever you're working on.

2> Then trace back, if the problem's not here, it's somewhere else! Trace your wiring, trace your lines, be patient!!

3> BUY A MANUAL! Idispensable item!! I bought a Hayne's manual for every vehicle I ever owned.

4> Make sure you know what you have! Unless you bought this truck brand new, other people have worked on it and changed who-knows-what! There might have been a motor swap or additions might have been made or someone who didn't know what they were doing might have botched something. Check everything against the manual to ensure it's done correctly.

After many days of working out in the fricking cold (live in Montreal), my truck finally seems to be running nicely.

I started by checking the cheap stuff as I said in my earlier post, and just replaced faulty stuff as I found it.

My problems seem to stem from an engine swap that was only half doneproperly. I have found wiring shoved wherever, spliced, cracked, shorted and burnt all over. My fuel pump was only running on half voltage(not supposed to be possible) and once I had it pumping properly I found that crack in the TBI fuel meter body. I found that I had an almost brand new EGR on the motor, but the fricking lines weren't even connected!

I did replace the pump relay and did blow my ENG-1 fuse once, I checked around the engine compartment fuse box and found that there were a few loose connections...

These trucks aren't terribly complicated and with a bit of tenacity you should be able to trace and correct most problems right in your driveway (I was under it when we got a foot of snow!).

04/26/11 13:26

Having problems with a 95 chevy blazer doing kinda the same thing, the fuel pump relay keeps over heating and the truck shuts off. Changed the relay and ran new wires. Any ideas what the problem is?
09/26/11 23:50
Thank author of this post/comment"bad plug"

especially on comment #5 The plug going into the top of the tank is probably bad Hard to see but the connectors inside are burned just enough for a poor connection try replacing it or cut it out and wire it direct
02/29/12 15:39
Thank author of this post/comment"sounds so familiar"

I started with the ECM, module, FP relay. Truck would run great when it ran but then it just shut off.Then I noticed that the VM was not coming up when I turn the key. Noticed that as long as the VM gauge was stuck down truck would just spin. Once it poopped up(hear a click in the dash) the truck would start fine. Now it just wont CLICK. Banging on dash, column, instr. cluster face dont help. Also not getting power to fuel pump till CLICK. Banging on the tank dont help.

Im leaning toward ignition switch myself. We shall see.

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    Chevrolet 1500 Pickup '1995 Chevy 1500 Fuel Pump Relay Question'