fuel fuse blowing while running on 1990 chevy truck

Asked by Apr 25, 2015 at 11:58 AM about the 1990 Chevrolet C/K 1500 Extended Cab SB 4WD

Question type: Maintenance & Repair

The fuse keeps blowing when starting to drive, runs for a few minutes then blows only
while driving.  at idle it keeps running.  It is a 10A fuse, even tried 20A   when running cold
it chugs alot just changed plugs. wont start after fuse blows, did this a few months ago
and ran fine for a long time now wont.  any ideas?

1 Answer

14,365

What is obvious is there is a wire somewhere shorting out. Where does the fuse that blows go to? That is the circuit to start at. The power coming into the fuse is good, so after the fuse, trace the wires and the connections the circuit hooks up to. Make sure there are no worn or frayed wires. Connections good and tight and clean? You said it will not start after the fuse blows? It is connected to the starter relay or to the computer module? Putting in a larger fuse, in electrician's phrase, your giving it the smoke test. (by pass the fuse and what is shorting out will burn and just follow the smoke) So be careful putting a larger fuse in. Fuses are an insurance policy that the car will not catch on fire or damage an expensive bit of equipment. A length of wire costs at the most 5 bucks, or even a wiring harness is $100. But replacing a smoldering car, is expensive. Let us know what the fuse is connected to.

1 of 1 people found this helpful.

Your Answer

Add photo

Related Questions

  • fuel fuse blowing while running on 1990 chevy truck 1 answer

    The fuse keeps blowing when starting to drive, runs for a few minutes then blows only while driving. at idle it keeps running. It is a 10A fuse, even tried 20A when running cold it chugs alot ju...

    1990 Chevrolet C/K 1500 Extended Cab SB 4WD

    -

    Maintenance & Repair

  • our 1990 chev truck 1500, fuel pump not turning on, 3 answers

    our truck was running, turned it off and it wouldn't start again, towed it home and it started once no power. Replaced the 25a fuse under the hood, and the relay switch, also the oil pressure switch ...

    1990 Chevrolet C/K 1500 Standard Cab SB 4WD

    -

    Maintenance & Repair

  • How do you repair the fuel gauge in a 1990 Chevy truck? 1 answer

    My Fuel Gauge will only read to 1/2 of tank when the tank is full

    1990 Chevrolet C/K 1500 Standard Cab SB

    -

    Maintenance & Repair

  • I have a 1990 chevy truck 2 answers

    Will a 87 chevy motor work in my 1990 chevy tbi

    1990 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • 1996 K1500 parking lamp fuse keeps blowing. 3 answers

    Parking lamp fuse keeps blowing. tail lights are out, brake and turn signals still work fine. I replaced the head light switch, now the fuse doesn't blow any longer, but with the keys off the daytime...

    1996 Chevrolet C/K 1500 WT Standard Cab LB

    -

    Maintenance & Repair

Search Chevrolet C/K 1500 Questions

Chevrolet C/K 1500 Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 3,420
#2 John Saffrahn
John Saffrahn
Reputation 2,530
#3 Rowefast
Rowefast
Reputation 2,100
View All

Related Models For Sale

Used GMC Sierra 1500
762 Great Deals out of 69,764 listings starting at $1,800
Used Ford F-150
2,064 Great Deals out of 208,242 listings starting at $290
Used Chevrolet C/K 2500
217 listings starting at $8,200
Used Chevrolet Camaro
245 Great Deals out of 31,897 listings starting at $1,000
Used Chevrolet S-10
5 Great Deals out of 1,350 listings starting at $1,500
Used Chevrolet C/K 3500
238 listings starting at $4,797

Used Cars For Sale

1998 Chevrolet C/K 1500 For Sale
166 listings starting at $3,290
1997 Chevrolet C/K 1500 For Sale
138 listings starting at $1,695
1996 Chevrolet C/K 1500 For Sale
91 listings starting at $3,000
1995 Chevrolet C/K 1500 For Sale
93 listings starting at $4,800

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.