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- 2nd Generation S-series (1995-2005) Tech (https://blazerforum.com/forum/2nd-generation-s-series-1995-2005-tech-41/)

- - fuel pump test (https://blazerforum.com/forum/2nd-generation-s-series-1995-2005-tech-41/fuel-pump-test-24876/)

arrowsbydish

11-16-2008 12:47 AM

fuel pump test

can someone tell me where to find the test lead for the fuel pump. i have a 98 jimmy 4.3 4 x4. 4 door.

rriddle3

11-16-2008 10:44 AM

RE: fuel pump test

If you're talking about the schraeder valve, it's on the fuel line above the intake manifild at the back of the engine.

arrowsbydish

11-16-2008 12:49 PM

RE: fuel pump test

there is supposed to be a wire to apply juice to see if you can hear the pump run. i read it was supposed to be on the left fender. but i cannot find it. im also looking under the carpet.

hard2h8

12-18-2008 07:32 PM

RE: fuel pump test

I have a 95 Blazer LS with the W code. My truck ran a rough but started every time. I went outside about a week ago and it wouldn't start. I replaced the Cap & Rotor, the Plugs, and the Wires and tested and have spark at all 6 plugs. After reading all the forums, I'm starting to believe it's a fuel problem. Can anyone PLEASE tell me where the fuel pump test lead is and what it looks like??? I keep reading about it but I don't know how to find it.

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