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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 If you feel it is old or outdated, please follow up with a question or comment and someone may be able to update it, or reply with newer information if you have it.

Forum Post
12/09/08 17:36

1995 Chevy 1500 Fuel Pump Relay Question

I'm not getting power to the fuel pump relay when the key comes on. There are 5 prongs... one has constant power and the other 4 do not, even when the key is on. Two 20amp fuses inside the fuse box do not have power (ECM-1 & ENG-1). I also noticed that the gauges do not come on with the key, but the radio does. The battery is fully charged and it does crank over fine. Any suggestions or help you can offer would be greatly appreciated?? Thank you.
02/23/09 11:31

where is the fuel pump located on the 1995 chevy c 1500 pickup
05/28/09 23:45

i have the same problem doooo u know whats wrong
07/30/09 14:33

I am having the same problem with my 1995 Chevy PU. K2500, 5.7. Do not replace your fuel pump yet. That is not the problem. I have replaced fuel pump, fuel relay, ecm at the distributor, pick-up coil and ignition coil to no avail. On mine it is looking like there is a wiring problem at the ECM/ECU ( computer ). or the computer it's self. Learn from me don't just change out parts. Do you have a service engine soon light come on when you turn on the key? If not, that is the trucks basic diognostic to that you have power comming from the battery to the ecm at the distributor. If you have already fixed your problem I would love to know what it was. Mabe it is mine also.


09/05/09 22:00
Ronnie jones

I'm not getting power to the fuel pump relay when the key comes on. There are 5 prongs... one has constant power and the other 4 do not, even when the key is on. Two 20amp fuses inside the fuse box do not have power (ECM-1 & ENG-1). I also noticed that the gauges do not come on with the key, but the radio does. The battery is fully charged and it does crank over fine. Any suggestions or help you can offer would be greatly appreciated?? Thank you

09/11/09 21:40

1994 chevy 1500 turn key on no power to the fuel pump. fuel guage is'mt working. intermitted problem person who had truck before me replace pump twice sometime would start on own sometimes not. sound like eletric issue between reley and pump and guage. when you turn key I can't hear the pump turn on.
09/13/09 17:21

i have 19995 cheverolet truck and engine 1 fuse keeps on blowing out at thew turn of the key switch
09/20/09 13:42

I am working on a '95 G20 van with the same TBI system/ECM configuration. This van only has 6500 mi. It was totaled at three months old, not kidding. So the owner swapped the body with an older one. All was fine he stated until trying to start it. No fuel pressure. So he poured a little fuel down the TBI and it started as long as fuel was introduced, he made it backfire somehow and the tbi wiring was burned. He then spliced in another set of tbi connectors and wires. He then pulled the tank with intentions of replacing the pump and that is when the job was handed to me for takeover. I installed the pump and tank, tried to start it and of course it would not. No sound from pump. I then bypassed the FP relay to verify good wiring to FP and it was. I then checked voltage to oil pressure switch and it was found to be bad. I replaced the OPS thinking the the problem was cured. The fuel pump activated after the OPS change but still no action from the TBI injectors. Not injecting so I found they have voltage but they are ground controlled by the ECM, so I swapped it with another exact model ECM, but the same result. It acts like there is a power source not making it to the ECM because I found no voltage at all to the TPS, or the IAC. Now I am really confused. I cannot figure this out.
10/07/09 14:25

Where is the fuel pump relay? I have a similar problem, I can hear the fuel pump but it will not turn over.
01/01/10 15:18

fuel pump harness that comes thrugh the floor shortes out cousing no power to pump check bulk connector
01/09/10 11:34

96 chevy 1500 put in a new 4.3 and now i have no fuel and no fire. pump is getting fuel to the motor but not through the
01/10/10 11:10
mariano narvaez

I got same problem as dennis but my var is a camaro 95
04/11/10 13:26

I am having a problem with my 95 chev 2500. I ran my truck out of gas at the pump and guess what, the fuel pump failed. So last weekend i installed a new pump and now i cant get fuel to the motor. I have checked the filter and have gas in the fuel line to and after the filter. I can prime the truck with gass and it will start but will not stay running. What am i missing.
04/14/10 00:55

1994 Silverado. 5.7L Never one issue with driveability. Came home from work and then went out to start the truck 15 min later..cranks no start. no fuel at the TBI. I am going to spray fuel in TBI see if it starts then check power/grounds then change fuel filter. I will post my findings. hopefully this will help someone out
06/17/10 20:58

1995 chevy k1500 I have the same problems did anyone replace there ecm?
06/19/10 17:28

1995 chevy k1500 had all the same problems as everybody else spent $450 on all the b.s. turns out to be ignition switch. runs perfect now.
09/05/10 00:10
mark reed

Please help!!!!! we have a 1994 chevy 1/2 ton truck that we dove home fine the night before and i got up the next morning and it would only turn over and not getting fuel through the throtle body at all, we removed the bed and replaced the fuel pump only, not the entire assembly but when we turned the key on the new pump it did not come on or preasure up the line, still acts dead, so we replaced the relay with a new one, replaced firewall 20a fuse, still dead, but can spray eather on breather and it runs great, than dies, , , , however i did notice that the small plastic piece on top of the fuel assembly that the four wires go through is really loose or wobbly, can those break the power to the fuel pump or is it the computer that controls power going to the fuel pump??? just 8 months ago we put in a auto zone computer because the truck would run perfect for 10 minutes and then sputer and try to die out, , , so what is the problem now?????? Jo-ann
10/06/10 14:44

have all the symptoms you all stated, changed ecm, distributor, oil switch, map, egr, coil, found a broken ground, changed the plugs, has new wires, engine is fresh about 5000 miles

scanner is reading the computer, fuel pump is pumping but is at 9 volts on the scanner the cranking volts drop to 9 when starting, there is no spark


11/16/10 13:59

1994k1500 pickup truck, engine shuts off when turning on

headlights or stepping on brake pedal, runs ok baffled

does not do it all the time but seems to be happening more

cannot drive truck

11/21/10 11:03

I switched my negitives and positives on the battery on accident and now the truck won't start.its a 95 chevy 1500 the truck trys to crank over but doesn't start.any suggestions what could be wrong? I was told it was the PCM
12/05/10 09:21

I have a 98 1500 4.3 truck would start and thin die changed fuel pump now i am getting power to the relay but when i turn key over the gray wire to the pump mot getting power
12/05/10 09:23

I have a 98 1500 4.3 truck would start and thin die changed fuel pump now i am getting power to the relay but when i turn key over the gray wire to the pump not getting power
12/12/10 09:31

Please help! Can anyone tell me where to locate the fuel relay on a 1992 Silverado truck? Thanks. Jim
01/23/11 11:59

I have a 95 Chevy 1/2 ton truck and the other day it just qiut running. It shut down like something electrical but in fact it was the fuel pump located in the tank and the repair( after changing relays to no avail) was to strike the bottom of the fuel tank with a deadblow hammer about five solid times and the pump works now. Turn your ignition to on and listen near the tank, is you don't hear the pump when you first turn it on then that may be your solution too. Chevy's Rule !!
02/17/11 07:52

Same starting issues with the 1400 I'm working on. Chevy's suck. Mopar or no car!
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    Chevrolet 1500 Pickup '1995 Chevy 1500 Fuel Pump Relay Question'