1991 chevy c10 fuel pump runs with relay removed

Asked by Guru969JHW Oct 10, 2022 at 03:50 PM about the 1991 Chevrolet C/K 1500 Silverado LB RWD

Question type: Maintenance & Repair

1991 chevy c1500  fuel pump runs with switch off and relay removed

2 Answers
157,615

James answered 2 years ago

Start tracing wires. With something this old who knows what a previous owner did to keep it running. The fuel pump circuit is supposed to be controlled by the ECM. So either the circuit has been bypassed for some reason or you have a short. Hope that helps! Jim

Mark helpful

Your Answer:

Related Questions

  • 1991 chevy c10 fuel pump runs with relay removed 2 Answers

    1991 chevy c1500 fuel pump runs with switch off and relay removed

    1991 Chevrolet C/K 1500 Silverado LB RWD

    -

    Maintenance & Repair

  • No fuel to engine Chevy 1991 Cheyenne 1 Answer

    1991 Chevy Cheyenne v6 standard 5 speed on the floor. Runs sometimes as long as RPMS are up. Won't idol. Won't start now. Changed fuel fillers, no help ther. Fuel pump with ignition on. No fuel in ...

    1991 Chevrolet C/K 1500 RWD

    -

    Maintenance & Repair

  • why am i getting no power to the fuel pump after replacing relay and fuel pump on 96 chevy c1500 1 Answer

    i have did power test. it seems as though im getting power from the orange wire where the relay goes and also from the harness under the cab that runs to the fuel pump. but no power to the exact har...

    1996 Chevrolet C/K 1500 WT LB 4WD

    -

    Maintenance & Repair

  • Can I bypqss Fuel pump relay 1 Answer

    How to bypass fuel pump relay on '93 chevy v6 4.3l std

    1993 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • Fuel pump relay 3 Answers

    Why would fuel pump relay get hot and go bad after 15 to 20 miles of driving

    1997 Chevrolet C/K 1500 Cheyenne RWD

    -

    Maintenance & Repair

C/K 1500

Looking for a Used C/K 1500 in your area?

CarGurus has 5 nationwide C/K 1500 listings and the tools to find you a great deal.

Postal Code:

Shortcuts

Search Chevrolet C/K 1500 Questions

CarGurus Experts

  • #1
    Andrew Olsen
    Reputation
    15,950
  • #2
    Rowefast
    Reputation
    9,670
  • #3
    John Saffrahn
    Reputation
    6,480
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Sierra 1500
143 Great Deals out of 7,206 listings starting at $3,950
Used Ford F-150
321 Great Deals out of 15,103 listings starting at $1,712
Used Chevrolet C/K 2500
1 listing
Used Chevrolet S-10
3 listings starting at $12,975
Used Chevrolet Corvette
28 Great Deals out of 1,058 listings starting at $15,871
Used Chevrolet Camaro
16 Great Deals out of 307 listings starting at $9,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.