Chevy

Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Chevrolet Silverado 1500: How to remove and replace the ecu…

Customer Question
How to remove and...
How to remove and replace the ecu unit on my 1994 chevrolet pickup. My Haynes manual showes it to be installed vertical but it's installed horizontal. My probable is there is no room to remove it.
Submitted: 3 years ago.Category: Chevy
Show More
Show Less
Ask Your Own Chevy Question
Answered in 11 minutes by:
6/28/2015
Chevy Mechanic: SuperDave, ASE Certified Technician replied 3 years ago
SuperDave
SuperDave, ASE Certified Technician
Category: Chevy
Satisfied Customers: 1,491
Experience: over 16 years experience
Verified
Inside passenger compartment, under RH end of I/P behind glove box. View Full Image CAUTION: The ignition must be "OFF," when disconnecting or reconnecting the control module connector, to prevent internal damage to the control module.To prevent possible Electrostatic Discharge to the control module, DO NOT touch the connector pins or soldered components on the circuit boards.REMOVAL:Disconnect the negative battery terminal.Remove glove box panel.Remove mounting brackets and/or retainers.Remove control module from tray.Disconnect control module harness connectors.Remove access cover and PROM.INSTALLATION:Install PROM and access cover on to new control module.Install mounting brackets and module(s).Install control module into tray until clips lock.Install control module harness connectors.Install glove box panel.Connect the negative battery terminal.Perform functional check.
Ask Your Own Chevy Question
Chevy Mechanic: SuperDave, ASE Certified Technician replied 3 years ago
If for any reason, you can't rate my answer OKAY, GOOD, or EXCELLENT (or 3-5 STARS) today.
Please reply and let me know why, so I can help you more.
All follow up responses are FREE, after completing the required rating.
Thank you!David
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 SuperDave Your Own Question
SuperDave
SuperDave
SuperDave, ASE Certified Technician
Category: Chevy
Satisfied Customers: 1,491
1,491 Satisfied Customers
Experience: over 16 years experience

SuperDave 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
Chevrolet c1500 pickup 2rwd: 1998 Chevrolet c1500 pickup fuel
1998 Chevrolet c1500 pickup fuel gauge needle flickers but read correctly. When key is first turned needle goes past full to 3 o'clock position and then goes to correct level but is flickering. Does i… read more
Anthony
Anthony
Master Automobile Technician
Vocational, Technical or Trade Scho
8,789 satisfied customers
97 chevy: ac compressor..bolt..the pulley... Stumped on this
trying to replace the ac compressor on a 97 chevy pickup... the bolt won't unscrew past the pulley... Stumped on this...… read more
Anthony
Anthony
Master Automobile Technician
Vocational, Technical or Trade Scho
8,789 satisfied customers
10 pickup: headlights on my 2001 Chev S..low-beams..high-beam
Hi, do you have any instructions on how to aim headlights on my 2001 Chev S-10 pickup truck? My low-beams are aimed higher than the high-beam lamps. Thanks for any help you can give. Wally Swofford… read more
Gary
Gary
Chevy Technician
Vocational, Technical or Trade Scho
9,642 satisfied customers
2003 Corvette: trick..the replacement headlight bulb to seat correctly
Is there any trick to getting the replacement headlight bulb to seat correctly on the 2003 Corvette? I have replaced both the right and left ones and the right one is aiming to the sky. Thanks TLB… read more
John
John
Master A.S.E Automotive technician
2 YEARS COLLEGE
4,071 satisfied customers
Sierra 3500: with the turbo dieseland automatic transmission
In 2002 what problems did cheverolet have with the Sierra 3500 with the turbo dieseland automatic transmission?… read more
Ironmike
Ironmike
ASE Master L1 performance ,Ford tech
Vocational, Technical or Trade Scho
1,773 satisfied customers
1500 Chevrolet: the electric fuel pump from the gas tank..pickup
How do you remove the electric fuel pump from the gas tank on my 1996 1500 Chevrolet pickup?… read more
Pragueress
Pragueress
Bachelor's Degree
286 satisfied customers
2008 Chevrolet TrailBlazer: passenger side..plastic screw..assembly
I have a 2008 Chevrolet TrailBlazer and I need to adjust the passenger side headlight. It is too low. It appears to have a "reverse torx" plastic screw on top of the headlamp assembly. Do I adjust it … read more
Mcgruder73
Mcgruder73
Auto Technician
Associate Degree
1979 Chevrolet: rod..ignition switch..my tilt column..diagram
My shop manual does not show exactly how the activation rod fits into the new ignition switch on my tilt column on my 1979 Chevrolet 1/2 ton 4x4 pickup. I pulled the old one out without seeing exactly… read more
Don - Mo Lurch
Don - Mo Lurch
Auto Mech / Electronics
Vocational, Technical or Trade Scho
2,953 satisfied customers
I need to replace the passenger side power mirror on a ...
I need to replace the passenger side power mirror on a 2007 2500hd pickup how do I get the door panel off?… read more
Bob
Bob
Vocational, Technical or Trade Scho
2,784 satisfied customers
The raidator is full and it warms up to operating temp.
the raidator is full and it warms up to operating temp. it acts like the valve that controls the flow is not opening the air that flows from the heater is barley warm last summer the airconditioner wo… read more
Bob
Bob
Vocational, Technical or Trade Scho
2,784 satisfied customers
1994 Chevrolet: replacing..ton..disc brake assembly..rotor come
I am replacing the front wheel bearings on my 1994 Chevrolet C1500 1/2 ton pickup. I am down to the disc brake assembly and do not want to disassemble the unit. How does the rotor come off of the spin… read more
Bart
Bart
Master Tech Chevy Dealership
High School or GED
90 satisfied customers
raining..wipers dont match what they re set to and dont turn
If raining or sprinklers wet down car, the wipers don't match what they re set to and don't turn off correctly. If dry, they are fine?… read more
goodwrench9124
goodwrench9124
Lead Tech/ Shop Leader
Vocational, Technical or Trade Scho
2,571 satisfied customers
I replace the left trunnion on a 1989 1500...enough room..new one in
How do I replace the left trunnion on a 1989 1500. There's not enough room to get the new one in?… read more
frank
frank
Vocational, Technical or Trade Scho
1,892 satisfied customers
2007 trailblazer: adjust..the drivers side headlight is aimed way
how do i adjust the headlights on my 2007 trailblazer, the drivers side headlight is aimed way to high and i got pulled over for it.… read more
Bob
Bob
Vocational, Technical or Trade Scho
2,784 satisfied customers
2006 Chevrolet Colorado: the Bumper Cover..4X4..Crew Cab..LT..Cylinder
How do I replace the Bumper Cover without fog lamps on a 2006 Chevrolet Colorado 4X4 Crew Cab LT 5 Cylinder 3.5 L?… read more
Bob
Bob
Vocational, Technical or Trade Scho
2,784 satisfied customers
1998 corvette: hi and low beams..headlights..set too low.
How do you adjust the hi and low beams on the 1998 corvette headlights? Mine are set too low.… read more
Bob
Bob
Vocational, Technical or Trade Scho
2,784 satisfied customers
1500 pickup: Chevrolet..drivers side..either direction
How do I repair lumbar support in 2000 Chevrolet 1500 pickup? Support went "flat" on driver's side. Knob could be turned in either direction with no effect. I found that if I put a short length of clo… read more
Bob
Bob
Vocational, Technical or Trade Scho
2,784 satisfied customers
95 Blazer: vin..distributor..vertical pin on block..camshaft
95 Blazer vin "W" distributor #1103917 bad - replacement dist does not fit same way. Old dist had molded index tab that indexed to vertical pin on block with seperate hold down clamp to set timing for… read more
frank
frank
Vocational, Technical or Trade Scho
1,892 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