1999 Chevy S-10 Just installed new fuel pump assembly

Tiny
POLYWOG692001
  • MEMBER
  • 1999 CHEVROLET S-10
Electrical problem
1999 Chevy S-10 4 cyl Two Wheel Drive 210000 miles

Just put in new fuel pump assembly and now I have no power to fuel pump. Checked all fuses and they are good is there a fuel cut off switch and if so where is it located?
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Wednesday, September 23rd, 2009 AT 1:18 AM

4 Replies

Tiny
2CEXPT
  • MEMBER
There's no fuel cut off switch-check and test the ECM B fuse 20amp and fuel pump relay.

Do you hear the fuel pump come on for 2 secs when key at run position?
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Wednesday, September 23rd, 2009 AT 1:43 AM
Tiny
POLYWOG692001
  • MEMBER
No when the key is turned on the new fuel pump makes no noise. Where is the ecm b located and the relay please thank you
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Wednesday, September 23rd, 2009 AT 1:58 AM
Tiny
2CEXPT
  • MEMBER
The ECM B fuse is in the underhood fuse block and FP relay same location
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Wednesday, September 23rd, 2009 AT 3:16 AM
Tiny
JIM GRIMISON
  • MEMBER
I had this same problem on my 2000 s10. After alot of trouble shooting I foun that I had inadvertanly broken the ground wire connection located inside of the frame (driver side by the rear bumper. The wireing sheath prevented seeing it but ohming it ot told me it was open ground due to infanant resistance from pump connector to chassis. Hope this helps.
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Saturday, September 26th, 2009 AT 10:07 AM

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