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04-03-2008, 07:19 PM
| #1 |
| Junior Member Join Date: Apr 2008
Posts: 2
 | Silverado fuel pump voltage Hello everyone I have a 2001 Silverado I am getting very good at changing out fuel pumps in past year for various reasons we wont get into. My question is does anyone know for sure what voltage I should get at fuel pump connection when I turn key on. Reading different numbers on various sites. I get 5 volts. So is supposed to be 5 or 12 ? |
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04-04-2008, 06:01 PM
| #2 |
| Senior Member  Join Date: Dec 2007 Location: Grande Prairie, AB
Posts: 2,206
 | 5 volts is for the fuel level sending unit, 12 volts should be for the pump itself, you won`t get a constant 12 volts either, its only on for a few seconds, you need someone to run the key while you check for voltage to pump |
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04-06-2008, 06:09 PM
| #3 |
| Senior Member Join Date: Mar 2007
Posts: 120
| If you are having fuel pump replacement problems, have read a number of folks with that problem. Use top quality fuel pumps, from gm, cost more in front end but last longer. |
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