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98 Chevy S-10 4.3

Tiny
LZRDKNG27
  • MEMBER
  • 1998 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • MANUAL
  • 156,256 MILES
Replaced ingnition switch and tumbler and now I have no power to fuel pump
Friday, February 18th, 2011 AT 4:41 PM

7 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Use a gage and check fuel pressure, engine cranking. Check ecm B fuse, use voltage tester on fuse circuit.
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Friday, February 18th, 2011 AT 5:01 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Stay on the original post, it's less confusing. The fuse is in the underhood electrical center, did you look at the diagram?
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Friday, February 18th, 2011 AT 5:24 PM
Tiny
LZRDKNG27
  • MEMBER
  • 5 POSTS
Yes. And thank you very much for helping me! There is a little black box with alot of little diferent color wires that were cut when I got the truck. Any idea what the purpose of that box is
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Friday, February 18th, 2011 AT 5:38 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
It the moment, I don't know about that box, where is it located? If you need a complete wiring harness, I'm not sure how to help, online?

The underhood electrical box is in the diagram.
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Friday, February 18th, 2011 AT 5:56 PM
Tiny
LZRDKNG27
  • MEMBER
  • 5 POSTS
What is this little black box with a red positive wire, black ground wire, and then a set of six wires colored, (black, brown, red, orange, yellow, green? The black box is about 2half inches by 1half inch.
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Saturday, February 19th, 2011 AT 2:48 PM
Tiny
LZRDKNG27
  • MEMBER
  • 5 POSTS
This box is located under the instrument panel driver side. Its only about 2half inches by 1half inches and its black, with a positive and negative wire. It also has a group of six small wires each differnt colors starting from black to green. There is also a set combination of two black wires with four little conectors all male conectors though. Any help is more than apreciated!
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Saturday, February 19th, 2011 AT 3:10 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Sorry, I don't know.
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Saturday, February 19th, 2011 AT 5:23 PM

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