Question about 1991 Chevrolet S-10

1 Answer

Keeps blowing electronic controlmodule FUSE?

The ECMB fuse keeps blowing. I hear that this could be the fule pump or the control module. Where is the fule pump on a 91 S 10? Where is the control module? How do I test to find out which one is the problem?
Thank you in advance for your help. Bob

Posted by on

  • SharpStuff Dec 03, 2008

    Thank you for your help. I will go and have another look one last time befor I give up and pay for the fix.

×

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Top Expert:

    An expert who has finished #1 on the weekly Top 10 Fixya Experts Leaderboard.

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

  • Chevrolet Master
  • 63,801 Answers

I have seen this many times in my 30 years as a technician, it is always caused by a shorted engine wiring harness, look around the harness in area's of wear, like where it connects to the engine from the firewall or where is crosses metal like cylinder heads, it will be rubbed through somewhere.

Posted on Dec 02, 2008

  • yadayada
    yadayada Dec 03, 2008

    This can be the fuel pump, but it is rare, to check this disconnect the fuel pump relay and see if the fuse blows

×

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

2006 Buick Rendezvous 10 Amp ABS fuse keeps blowing. What could be the problem?


There is a shot to ground in the ABS system ! If familiar with electrical trouble shoot , find a wiring diagram an test the B+ power circuit ! That fuse supply's power to the electronic brake control module , if no short on wire from fuse box to brake control module , the module has an internal problem .

Jul 26, 2016 | 2006 Buick Rendezvous

1 Answer

Ecmb fuse keeps blowing on my 99 s-10 put new fuel pump in about a month ago and worked great since then but today it shut off and blew the fuse again not sure what to look for.


Well that circuit powers the memory for the computer as well as the fuel pump relay and other things.
You might be able to pull the pump relay and see if the fuse still blows, it will be tough to find the problem if it is at random times.
You'll probably need a shop manual to get the wiring diagrams to trace it.

Jan 27, 2013 | 1999 Chevrolet S-10 Pickup

1 Answer

85 gmc jimmy ecmB fuse keeps blowing


Have you fuel pump checked, as this could be a possible cause.

Sep 02, 2011 | 1985 GMC Jimmy

2 Answers

Keep blowing the ecmb fuse in my 1991 s-10


check your grounds & the fuel pump connections.the ground should run to the right rear of the motor. look at the wires back to the motor on the frame for anything that may have nicked a wire or a rub thru. You have a short and i belive it shut down if you hit a bump. loose or fraid wire some place. Best of luck & keep us posted on your fix.

Mar 10, 2010 | 2000 GMC Jimmy

1 Answer

No power to fuel pump and the ecmb fuse bows as soon as i put it


Unplug all wires to the distributor, coil, fuel pum and injectors, then see if the fuse blows, if it does, sounds like an ECM failure.

Sep 26, 2009 | 1993 Chevrolet S-10 Blazer

1 Answer

ECMB fuse keeps blowing on a 88 S15 pickup. I have replaced the fuel pump & the fuse block but my fuel pump still doesn't work


Un plug the Computer to see if the fuse doesnt blow now. You may have a short in the PCM or the harness.

Aug 31, 2009 | 1988 Chevrolet S-10

1 Answer

97 chvy 5.0 -ECM B fuse blows - Wont Start - Replaced ALL parts


that red wire is a test lead to jumper the fuel pump to test it.if ecmb fuse keeps blowing my guess is your ecm has a short in it,in that case it can be purchased at oreillys

Mar 28, 2009 | 1997 Chevrolet C1500

1 Answer

30a fuse fule system keeps blowing when starting car


Bad Fuel pump or electrical short in fuel pump wiring harness. Good Luck get back to me if you need help.

Dec 16, 2008 | 1983 Toyota Corolla Deluxe

1 Answer

Wont start has spark and fule


check the fuse box under the hood and make sure the fuel pump fuse is not blown.
if the fuse is blown, replace it and see if you have any fuel/spark. the fuel pump fuse controls almost everything electrical under the hood. if the fuse keeps blowing, then there is a short sumwhere in the engine wiring harness.

Jul 16, 2008 | Dodge Neon Cars & Trucks

Not finding what you are looking for?
1991 Chevrolet S-10 Logo

Related Topics:

203 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

yadayada
yadayada

Level 3 Expert

63661 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21981 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6812 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...