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Topic: Problem getting power to fuel pump in 82

in Forum: C3 Electrical


Problem getting power to fuel pump in 82

Posted: 5/6/02 4:24pm Message 1 of 5
Former Member
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North Oxford, MA - USA
Joined: 5/3/2002
Posts: 3
Vette(s): 1982 Vette
I am having a Problem getting power to fuel pump on 82
All electrical seems fine - I am getting check engine light, and the fuel pump does work - just not getting power to it. Any suggestions??? |wave|

|UPDATED|5/6/02 4:39:15 PM|/UPDATED|



tphilie
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Problem getting power to fuel pump in 82

Posted: 5/6/02 6:39pm Message 2 of 5
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Joined: 1/29/2002
Posts: 1049
Pretty funny Todd, I am goiing through this now. Did you check the plug at the tank? There are 3 wires, Fuel gauge, pump motor and ground. Key must be "On" for you to check this. If you have power there, the problem is most likely the fuel pump relay. do you know where that is? Let me know, I can help you, just ordered one today from the Chev garage.


Problem getting power to fuel pump in 82

Posted: 5/7/02 11:01am Message 3 of 5
Former Member
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North Oxford, MA - USA
Joined: 5/3/2002
Posts: 3
Vette(s): 1982 Vette
Thanks - Checked all the wires and they have juice to them - where would I find the relay switch?? - and how do I check it??


tphilie

Problem getting power to fuel pump in 82

Posted: 5/7/02 11:39am Message 4 of 5
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Joined: 1/29/2002
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Did you check the wires at the plug at the gas tank? The relay in on the left side of the car, in the battery compartment. Take out the battery and it is behind the ECM against the body. It is easier to take out the bolts holding it to the body, than taking out the ECM. The relay has 5 wires gooing into it. I can check the colors if you need me to. The easiest way to check it is to pull the assembly out and take the cover off the relay (it just pulls off, it's plastic) With the relay exposed, turn the key to the "On" position and you will hear it click or you can watch it open. if it doesn't it is bad. If you don't understand it let me know, or if you need to know the wire colors. (The brown w/white stripe one runs the fuel pump)


Problem getting power to fuel pump in 82

Posted: 5/7/02 11:15pm Message 5 of 5
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Joined: 1/29/2002
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Todd, IM is down right now so I'll post here. After you replace the realy, make sure fuel is spraying out of the injectors. Mine isn't right now, that's how I know where the relay is. I hope my problem isn't the ECM |cussing|


in Forum: C3 Electrical


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