Chevy

Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Im working on an engine swap on a 1998 s10 blazer 4x4 4.3l.

Customer Question
I got everything back in...
Im working on an engine swap on a 1998 s10 blazer 4x4 4.3l. I got everything back in and went to turn over the engine and got nothing, no lights no power nothing. after fiddling with the fuse box I got it started. I had to take the head off due to another problem but after reasimbling it Im blowing ecm1 fuses left and right. Ive unplugged just about every sensor it runs to, removed 80% of the lume to check for bear wires and am still blowing fuses. last thing is the ignition as far as i can tell.
Submitted: 2 years ago.Category: Chevy
Show More
Show Less
Ask Your Own Chevy Question
Answered in 29 minutes by:
2/20/2016
Chevy Mechanic: Roy, import/domestic specialest replied 2 years ago
Roy
Roy, import/domestic specialest
Category: Chevy
Satisfied Customers: 7,924
Experience: ASE master tech for 40 years
Verified

good afternoon my name is ***** ***** I will assist

the key here is the fuse box. the fact you had to mess with that to get it going is a clue. it may be damaged underneath where the connectors are. have you unbolted it and looked underneath??? I am going to check on what is on the ecm1 circuit

Roy

Ask Your Own Chevy Question
Customer reply replied 2 years ago
I cant tell that it is damaged, at least not visually. I have an ome meter just not sure where to test for a good conclusion.
Chevy Mechanic: Roy, import/domestic specialest replied 2 years ago

forget an ohm meter. you need a volt and amp meter. check the components involved with the diagram I sent you disconnect them and see if it still blows. if it does, it is wiring or the box. if it does not then it is a failed component that you just hooked up

Roy

Ask Your Own Chevy Question
Customer reply replied 2 years ago
I may be missing it but Im not seeing a diagram. lol
Customer reply replied 2 years ago
alright so with the wiring harness detached there is no fuse being blown.so back to the harness any suggestions on how I should go about that?
Chevy Mechanic: Roy, import/domestic specialest replied 2 years ago

detached from where??? the engine or the fuse block???

Roy

Ask Your Own Chevy Question
Customer reply replied 2 years ago
Im pretty sure ive detached everything from the sensors, it blew another fuse shortly after that. I unplugged from the fuse box, flipped the key no blown fuse, Im feeling a bad wiring harness might be it. Would you know the part number for that ecm1 harness? Ive looked everywhere and cant find it.
Chevy Mechanic: Roy, import/domestic specialest replied 2 years ago

I agree. it does sound like a shorted harness. no I am not a parts person. I would rely on a deaer parts department to get that info for you. there are on line wire harness companies but I am 0 for 3 in getting the correct parts

Roy

Ask Your Own Chevy Question
Customer reply replied 2 years ago
Ok Ill give the dealer a call tomorrow and see what they can dig up. Ill let you know what happens from there.
Chevy Mechanic: Roy, import/domestic specialest replied 2 years ago

ok

please dont forget to rate me as it is the only way I get paid for my ansers

Roy

Ask Your Own Chevy Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a chevy mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Roy Your Own Question
Roy
Roy
Roy, import/domestic specialest
Category: Chevy
Satisfied Customers: 7,924
7,924 Satisfied Customers
Experience: ASE master tech for 40 years

Roy is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money.

Todd LRochester NY

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Chevy Technician

15,756 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

Chevy Technician

9,642 satisfied customers

15 years GM master tech

Tim&#039;s Auto Repair

Tim's Auto Repair

mechanic

8,884 satisfied customers

Have owned a repair shop for 25 yrs.

Dave Nova

Dave Nova

Chevrolet Technician

7,092 satisfied customers

ASE Master Certification. GM World Class Certification

John

John

Master A.S.E Automotive technician

4,071 satisfied customers

A.S.E MasterTechnician A1-A8 w/L1,38 years experience General Motors Master Technician

Don - Mo Lurch

Don - Mo Lurch

Auto Mech / Electronics

2,953 satisfied customers

Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

Ron Z.

Ron Z.

- Chevy Tech -

2,836 satisfied customers

18+yrs experience. State Inspector and Chevy Diagnostics

< Previous | Next >

Related Chevy Questions
I have a 93 Chevy S10 Blazer 4X4 it has 4.3L engine. This
I have a 93 Chevy S10 Blazer 4X4 it has 4.3L engine. This Truck/car has a problem when the ambient temperature is over approx 90 F. you can be driving along and it just shuts down like you shut the ig… read more
kwiggins29059
kwiggins29059
Associate Degree
219 satisfied customers
Im working on an engine swap on a 1995 Chevy S10 Blazer with
Im working on an engine swap on a 1995 Chevy S10 Blazer with a 4.3 vortec engine I just wantto double check and make sure there isnt a valve adjustment. Ive heard a few stories about there isnt, or th… read more
Lou P. master tech
Lou P. master tech
Mercedes Benz master tech
Bachelor's Degree
649 satisfied customers
GM s10 blazer: Hi Mike, I have a 93 S10 Blazer 4x4 with a 4.3
Hi Mike, I have a 93 S10 Blazer 4x4 with a 4.3 W engine. Has a rod or main bearing knock. Found a 94 GMC Jimmy 4x4 with a 4.3 W engine in good shape. Can I swap them without a lot of fabricating? Are … read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
Chevrolet K1500 4x4: ecm-1 fuse keeps blowing, ive read other
ecm-1 fuse keeps blowing, ive read other answers to this issue, still no help, brand new fuel pump, even unplugged pump to try new fuse still blows, also the fuel guage is pegged over full but ive unp… read more
Gary
Gary
Chevy Technician
Vocational, Technical or Trade Scho
9,642 satisfied customers
Im having an Issue with the ECM 1 fuse blowing, i tried about
I'm having an Issue with the ECM 1 fuse blowing, i tried about everything, and im at my wits end. please help!… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,061 satisfied customers
1998 Chevy Blazer: Coolant Temp Sending Unit..4X4..unit to the ECM.
I am tryin to locate the connector for the Coolant Temp Sending Unit for a 1998 Chevy Blazer 4X4. Im havin trouble locating the connector from the temp sending unit to the ECM.… read more
Tim&#039;s Auto Repair
Tim's Auto Repair
mechanic
High School or GED
8,884 satisfied customers
98 s10 4x4: i wont turn..batt..almost hesitates a second..changed fuel
Hello there my name isXXXXX have several Blazers A 74 k5 full time drive a 97 & 98 s10 4x4 4door 4.3l ..love em all work great except for my 98 s10 4x4 4.3l ..the problem is i wont turn on, it turns o… read more
Eric
Eric
Retired
N/A
14,436 satisfied customers
2001 Chevy S10 Blazer: 2wd..front brake..cap..the spindle nut
I am working on my son's 2001 Chevy S10 Blazer Extreme, it is a 2wd model. The front brake rotors need to be replaced. I have changed some front rotors before, there was a dust cap to remove, then you… read more
Tim&#039;s Auto Repair
Tim's Auto Repair
mechanic
High School or GED
8,884 satisfied customers
1998 chevy s10: cyl..ecm..the module or coil i think..intake
hi i have a 1998 chevy s10 4 cyl 2.2l chaged the ignintion module but it still blows the ECM1 fuse but not when the module is pluged in could a coil pak be bad i know there are no wires shorting out a… read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
1995 S10 4x4: 1998 4.3L short block with a 1995 top end function
Will a 1998 4.3L short block with a 1995 top end function properly in my 1995 S10 4x4 blazer?… read more
cartech
cartech
master tech
High School or GED
1,797 satisfied customers
1989 Chevy S10 Blazer 4X4: I engage the 4 wheel drive lever
I have a 1989 Chevy S10 Blazer 4X4 with (700R4)automatic transmission and 4.3L TBI engine. My problem is when I engage theXXXXXlever (has button on top) I don't get a 4 high or low light and theXXXXXd… read more
Jettadan1
Jettadan1
Lead mech
Some college
1,421 satisfied customers
1999 s10 blazer: 4x4..dim..driver side..passenger side bulbs goes
having headlight problems, 1999 s10 blazer, 4x4. the right headlight is very dim, i changed the bulb, the switch, cleaned 8 ground wires, still no luck, i notice that when i remove the driver side bul… read more
Gary
Gary
Chevy Technician
Vocational, Technical or Trade Scho
9,642 satisfied customers
2002 chevy s10: automatic..), suspecting blown head gasket, i..rebuild
2002 chevy s10 4.3 automatic -- i have water in my oil (white and milky, everywhere, terrible...), suspecting blown head gasket, i have engine rebuild experience and good help with more experience. pr… read more
ase_master327
ase_master327
Owner & Student
High School or GED
3,214 satisfied customers
1991 S10 Blazer: small shake..power steering pump going..going bad
my 1991 S10 Blazer when driving has a small shake to the left, i think it could be the power steering pump going bad… read more
Carfix4you
Carfix4you
Lead Technician
Associate Degree
412 satisfied customers
2000 Chevy S10: 4.3L V6 is blowing the 20 Amp hvac fuse..pack
My 2000 Chevy S10 4.3L V6 is blowing the 20 Amp HVAC fuse with both the blower motor unplugged and the blower motor resistor pack unplugged. Any suggestions?… read more
GM Expert
GM Expert
Associate Degree
194 satisfied customers
blazer: yesterday about a 4.3 vortec swap..4x4..aluminum oil pan
I sent you a question yesterday about a 4.3 vortec swap in a 93 s-10 4x4 blazer and accidentally gave you the wrong engine casting number of 10227196 when it should have been 14095090. The number i li… read more
Bob
Bob
Vocational, Technical or Trade Scho
2,784 satisfied customers
1988 Chevy S10 Blazer: 4X4..that periodically blows Can you..controls
I have a 1988 Chevy S10 Blazer 4.3 4X4 my problem is that we have an ECM1 fuse 10 amp that periodically blows Can you tell me what this fuse runs to or controls?… read more
BOBBYSS
BOBBYSS
TECHNICIAN/ADVISOR
Associate Degree
8,343 satisfied customers
1998 chevy s10 blazer 4x4: with (abs..adjustment due..replacing
1998 chevy s10 blazer 4x4 with (abs) the rear caliper parking brake lever is out of adjustment due to replacing the rear caliper . where is the parking brake lever and how do i adjust it?… read more
Davo
Davo
Master Auto Tech/manager of auto shop
Vocational, Technical or Trade Scho
1,644 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x