C6 corvette grounding issues. Let's discuss some, and their solutions.
C6 corvette grounding issues Jan 20, 2010 · C3 Tech/Performance - Where to ground a rear mounted amplifier? - I have my stereo amp in the rear storage area and for the last 3 yrs have had it's power and ground cables going to the battery direct. I installed the orginal fuse Dec 29, 2023 · Also, historically, the C6 has struggled with grounding issues, much of which has led to TSB's (technical service bulletins) affecting the BOSE system. Dec 7, 2016 · C6 Corvette ZR1 & Z06 - New ground to solve starter slow crank? - My car never had the slow starter issue before the new ERL motor was put in. About Us : http://www. Aug 14, 2022 · Want to know what kinds of electrical problems may happen with your Chevrolet Corvette? Just read our article to find out the issues and solutions for them. Especially if the vehicl I still plan to take it to dealer to check the grounding possibility. Hope this helps Ed The main battery ground (front c6, rear z06) is mounted to the frame in the respective location of the battery. There arent that many grounds to clean - rear of block on driver side, under battery, passenger kick panel, and rear frame rail will cover about 90% of them. One day I went to start the car, and a ton of warning messages scrolled across the screen, like reduced engine power, shocks inoperable, check this and that and ect, and it would not start. I possess a scan tool that can retrieve U-codes and has Tech II capabilities, as well as an oscilloscope. Anyone know where these grounds are located on a 2005 C6? We are cleaning the corroded grounding points that may be responsible for the voltage irregularities we have been seeing. Just had Mar 6, 2005 · C6 Corvette General Discussion - Improving ground clearance? - I'm probably the only person thinking about trying to RAISE the suspension as opposed to lowering it. Sep 14, 2022 · C6 Corvette General Discussion - '09 C6 - Ongoing electrical issues that cannot be resolved - Good afternoon, I have a 2009 C6/1LT/auto that has served me well for many years. 5 ft range of the ground wire. I'll outline the methods and findings, thus far, and how to remedy issues below: Aug 4, 2011 · C4 General Discussion - Engine Ground Problems (Again!) - I recently pulled my engine ground wires off, cut them and recrimped them with new ends since the old one were worn out just a little bit because my LCD screen had gone black. 8v is a threshold), or a possible loose or bad ground connection can cause unwanted strange gremlins to appear. I'll open up a thread on those later asking for advice on what to do. Looks suspiciously added after the fact. Had it since 20k miles. howstuffinmycarworks. 26V. The fuel pump was not coming on. Voltage is still reading low 11. Click for thumbs down. I removed the bose amp and ever since I reconnected the mild to wild grounding wire to the position it was in before it doesnt work? The vaccum lines look good. All done. - Guys and gals, Just wanted to post up a couple of issues and the resolution I had recently with my '07 Z06. The only thing that makes me uncertain about the purchase is the fact that the roads in my area are kinda Apr 2, 2021 · C6 Corvette General Discussion - Front Camera Wire Run - Anyone run camera wiring through the hood latch cable grommet? Or, bad idea? I checked tonight and it seems the latch cable housings remain pretty stable when the inside handle is pulled. Dec 6, 2018 · A super good ground is imperative on C3s. May 30, 2007 · Audio/Electronics - grounding problems - Im trying to mount my amp in the rear of my c5, and i cannot find any place whatsoever to ground it. I'm an electrical engineer so I troubleshoot electrical things for a living. I have cameras and a new Mar 12, 2024 · CorvetteForum - Chevrolet Corvette Forum Discussion C6 Corvette, 2005 - 2013 C6 Tech/Performance 2009 Conv 6. Any sugguestions Jun 22, 2024 · C6 Tech/Performance - Tech. It is sometimes referred to as the ECU or PCM. Explore common problems of the 2009 Chevrolet Corvette, including fuel sensor failures and coolant leaks. Problem with no start. Dec 7, 2017 · C6 Corvette ZR1 & Z06 - Heat Soak No Start/Poor Crank - Well the new car has failed me again (12 centennial z06). Last edited by HeadsU. Aug 20, 2025 · 4 Main C6 Corvette Common Problems In this section, we will enlighten you on some of the problems that are commonly associated with the C6 Corvette. Has anyone out Jul 17, 2011 · C6 Tech/Performance - C6 Z06 Electrical issues - My dad had some issues with his Z last night. Mar 22, 2008 · C6 wiring diagrams or ground locations? Anybody have any? If not, are there any common grounds that have issues on these cars? I have had a couple of odd glitches here and there and wanted to check/clean all the grounds and see if there are any common grounding issues with the C6 like the C5 has. It’s all the same thing. . I still plan to take it to dealer to check the grounding possibility. The main ground goes to the frame Jun 10, 2025 · Let CorvSport be your one-stop digital encyclopedia for all the needed resources if you are having electrical/grounding issues on your C5 Corvette. I've thought about buying a power supply Jan 4, 2024 · C6 Corvette General Discussion - Low ground clearance on 2011 Grand Sport Conv. Let's discuss some, and their solutions. Before beginning the search for the May 4, 2025 · C1 & C2 Corvettes - 1960 grounding issues - Hi all wiring is not something I?m great at but plugging away at it after installing a new harness I have several things not working taillights brake lights one headlight high beams works for a minute before flickering and going out. Which sometimes is user error, but what is strange is that I will lose all power Sep 3, 2004 · Just moving the wires in the chassis ground connector was enough to change the indications and make the issues stop happening. Remove and clean Nov 22, 2024 · Where does everyone ground their alternators with the xtra ground wire on a ls2 c6 Discussion about grounding alternators with an extra ground wire on a LS2 C6 Corvette, with members sharing their MUST WATCH C6 CORVETTE - Electrical Gremlin Solved!2012 Chevrolet Corvette ZR1This video is a must watch for any C6 Corvette owner. This easy-to-follow guide aims to steer you towards a C6 that offers a great driving experience with fewer worries, all based on straightforward facts and real user experiences. The most common cause is a bad ground. I have found the right guy to import the car to my country and I have arranged almost everything, and will have the money very soon. commore Nov 24, 2016 · CorvetteForum - Chevrolet Corvette Forum Discussion C6 Corvette, 2005 - 2013 C6 Tech/Performance engine ground locations? Dec 8, 2024 · C4 General Discussion - Do I have a grounding problem somewhere? >rolls eyes< - Hi, 1991 C4 with 45k miles on it. May 29, 2020 · Your Chevy Corvette’s ECM (Engine Control Module) is its brain. When I was checking G202 under the passenger footwell/A-pillar and I noticed a small spark and then the Apr 23, 2022 · C6 Corvette General Discussion - Continued hot start issues - So I?ve had hot start issues so purchased a new solenoid for the starter, fitted that along with loads of heat protection both on the starter and downpipe. Do I have a short?? - I have been having some driveability issues on my 2009 base convertible, and today i was checking the grounds. Electrical problems can be related to a bad ground and the C6 is In this video, I'll be taking a look at some of the electrical grounding issues that can plague a C5 Corvette. It's the same problem everyone else has I suppose. This guide details the eight most common ones. There are two ring terminals that go together and the smaller one that doesnt have the tab measure 6 or 7 volts as I screwed them Jun 12, 2015 · C5 Tech - Cleaning ground points: a picture report - My C5 has some 'random' codes and issues. I've had the car for about three years and the last two times I've driven it I've seen some odd symptoms. There are multiple reasons that one or both of your power windows may have stopped working, and it can be tricky to sort through all the possibilities to find the solution. Make sure the battery cable connectors are not bad, was a GM TSB about this for the C6s 3. When the car is hot and I park it for a half hour to an hour and try to restart it, it turns over rapidly for about 10 to 15 seconds and then fires up. I have checked all grounds, I replaced the starter, and the battery is putting out well over the 12V necessary (usually Even if you don't have this code currently, it's a good idea to keep your negative points clean on a C5 Corvette as they are prone to corrosion and can be the cause of many electrical issues on Currently tracing down electrical issues in a 2005 C6. Tired of fighting you C5?! Well here are some quick tips! Enjoy. Apr 26, 2016 · C6 Corvette General Discussion - Could this be a ground issue? - Ok I have a 2006 Z06 with 60k miles on it. First of all this forum has been a great help and wanted to thank you all. One known issue that some C6 Z06 owners have reported is a hot start issue. I took care of the window issue. 0 Lowell Bonnett @lowell Dec 29, 2023 · Also, historically, the C6 has struggled with grounding issues, much of which has led to TSB's (technical service bulletins) affecting the BOSE system. On left outside corner of the engine fuse panel is a main voltage wire, test to see if voltage there and connection is good 4. I have no issues and no intention to muck around with the grounds on the car, Aug 18, 2018 · C6 Tech/Performance - What have you done for the starter heat soak problem, z06/427 motor - Interested only in posts where the problem was successfully resolved. Be prepared to spend multiple hours during tedious testing to try to find the problem if it isn't an easy solution. The engineers even go as far as to recommending that you chop off the factory under hood chassis ground connectors and combine all of the wires into a single ground lug. One of the largest is the grounds. It has to be grounding or connection somewhere. i HAVE BEEN A MECHANIC FOR CITY FOR OVER 30 YEARS, PROBLEMS WITH C6 CORVETTE ARE ENDLESS. In this section, we will discuss some of the common wiring issues that C6 Corvette owners may encounter and provide troubleshooting tips to help resolve them. 1. I read lots of posts where folks have checked their grounds or found a poor ground to be the source of some problem. Oct 17, 2014 · I AM GETTING SAME ISSUE. When you now cut the headlights on the buzzer wont go off. Dec 2, 2024 · C6 Corvette ZR1 & Z06 - Hot Start Issues on 08Z06 - Per request, I have taken take my issue and started another thread, even though I thought that my post applied to another thread. Get repair insights and maintenance tips on RepairPal. Many times ground problems cause unexplained operation because the ungrounded component is using the other components ground. Aug 8, 2024 · I am submitting this document that indicates all of the ground locations on the C6. These cars have fiberglass bodies, and the grounding therefore is different. May 22, 2022 · 1. I had a chance to speak with some GM C5 Trouble Desk Engineers when I went to Bowling Green KY in April and they pointed out that MANY of the C5 electrical issues can be directly linked to chassis ground problems. Thankfully, cleaning the headlights can be an easy task. Drove the car today and all worked just fine. The car gets driven and up to temp, and then when you hit the start button, you get a labored crank from the starter and she Nov 9, 2021 · The C6 Z06 is a high-performance variant of the Chevrolet Corvette, and like any vehicle, it can experience various issues. Ground locations From 2003 Corvette Shop Manual engine ground strap top left Feb 15, 2009 · C6 Corvette ZR1 & Z06 - Z06 Ground clearance issues? - I want to buy c6 z06. 2. I'll outline the methods and findings, thus far, and how to remedy issues below: Aug 29, 2016 · C6 Corvette General Discussion - Batteries and Ground Connections - The electrical system in a C6 is sensitive (but not much different than a lot of other cars I've come across), and a drop in voltage (11. C6 Corvette Won't Start Issues & Some Of The Fixes For Them ALL 9 C5 CORVETTE GROUNDING POINTS AND WHAT THEY GROUND 10 Things Every C6 Corvette Owner Should Know (Secrets & Tips!) The last symptom almost 100% indicates your car is losing power intermittently, causing it to "forget" things like "learned" window position. Feb 4, 2013 · C6 Corvette General Discussion - Ground clearance question - How much ground clearance is there on your C-6? Have you had problems grounding on speed bumps, and / or elevated (from street level) driveways? Apr 22, 2006 · C5 Tech - Ignition Switch Troubleshooting *LONG* - Bill Curlee asked me to post my experience troubleshooting my defective ignition switch. Apr 5, 2022 · In additon to age-related issues, high-mileage C6 Corvettes often develop one or more model-specific problems, some of which are also engine-specific. 1) Basic connections. Mar 25, 2023 · C6 Tech/Performance - C6 wiring diagrams or ground locations? - Anybody have any? If not, are there any common grounds that have issues on these cars? I have had a couple of odd glitches here and there and wanted to check/clean all the grounds and see if there are any common grounding issues Nov 15, 2007 · There have been alot of threads of late regarding wiring/electrical difficulties. The car has around 170k miles now and has developed Feb 26, 2024 · Best and worst Corvette C6 years — which to avoid We've looked through owner reviews and common issues to highlight the best and worst Corvette C6 years. Dec 26, 2010 · C6 Tech/Performance - Grounding Questions - Hi All, Hope everyone had a great holiday! Merry Christmas! Have a question. Feb 7, 2021 · C6 Corvette General Discussion - Fuel pump relay wire - Hello everyone wanted to get an opinion on an issue I?m having (one of many that I?ve posted here). The C6 Corvette is a highly advanced and technologically sophisticated vehicle. Lately I have noticed that when I let the clutch really slow without giving it some throttle it stalls. Thanks! Sep 24, 2022 · Images that depict the schematic ground locations in a C6 Corvette, including various components and their positions in the vehicle. This is a new motor for this vehicle and it does have headers on it. I thought it might be useful if I showed you my thought process as I troubleshoot this particular Jun 10, 2013 · C6 Tech/Performance - No communication between computer and driving systems problem - Here is background: 2005 C6 Ran fine up until about 2 months ago. Anybody have this problem? Dec 16, 2024 · Hi, I've got a pretty odd problem with my '99 Corvette electrical system. im sure these are all ground related ive Mar 13, 2015 · C6 Corvette: Common Corvette Complaints and Problems Dancing ash tray covers, gas pedals that hit the floor, and flying roof panels are a few of the biggest issues you'll find with your C6. Thinking about a grounding issue. Many drivers have reported issues with foggy headlights that can cause serious problems while driving at night. I need to find a better grounding location as the one attaxhed to the factory harness is not May 25, 2016 · GM C5 Trouble Desk Engineers at Bowling Green, KY have pointed out that MANY of the C5 electrical issues can be directly linked to chassis ground problems. Jun 3, 2022 · C6 Corvette General Discussion - Location of ground points for C6 - Does anyone have a diagram that identifies the ground points on a C6? Tracing electrical gremlins on a base C-6, no luck with using the search function so far. After running for a bit and shutting car off I have to give it a bit of throttle to start it back up, I turns over fast so don?t believe it?s a starter issue and I checked fuel rail pressure Sep 13, 2017 · C3 Tech/Performance - grounding problems - my 79 corvette gauges and tach have quit working. Jun 20, 2012 · C6 Tech/Performance - 2008 C6 Common Issues Question - Question to other forum members regarding common issues on the 2008 C6 LS3 - vette - I bought mine back in Feb 09 brand new and I picked up the extended warranty on it - got lucky, because turned out I needed it - just checking into common issues - these are the Nov 1, 2017 · C6 Tech/Performance - Electrical issues - I have a 2011 C6 Grandsport that seems to go into the reduced power mode with a check engine light when it rains or is washed. Sep 3, 2023 · C7 Tech/Performance - Engine grounding - I have been trying to work through my starting issue as I had in another thread. mean the car for 15min on the driveway, switched it off and then it wouldn?t start again. is there anything im missing that could be used for ground in the rear of the hatch its a 2000 coupe Apr 22, 2025 · C6 Corvette ZR1 & Z06 - C6 Z06 hot start issues - Hi, I have a 2008 z06 and am having a hot start issue after head/cam install. Mar 18, 2025 · C6 Corvette General Discussion - Electrical issues HELP - Currently fighting an issue with my (2008) c6 to where it will occasionally tweak out to where the blinkers flick fast and when I hit the brake it tries to pull up the reverse camera on my head unit. The headers were on the car 2 years prior to this starter hard start issue and Feb 4, 2009 · I was told that the C5's had some issues with the grounds, so I would like to go through and clean all the grounds and check. And, it?s not like they?d be in constant motion. There is a 2011 Grand Sport 3LT convertible for sale near us with 50k miles and an automatic transmission. WTF?! - I'm seriously SO OVER this damn issue. It isn't every time but has done it about 6 or 8 times in the last 2 years. SOMETIMES I GET MESSAGE TO SERVICE CHARGING SYSTEM AND OTHER TIMES STARTS OK. The first thing I checked was Jul 20, 2022 · C6 Tech/Performance - Need Help finding Grounding Location for Head Unit - Just installed an Alpine ILX-W650 with a PAC harness and everything is working EXCEPT, I'm getting some low volume noise and alternator whining. All are false. Oct 27, 2023 · Foggy Headlights With the exterior headlights of the C6 Corvette being so relevant, it makes sense that there are some issues with them. Apr 17, 2025 · C6 Corvette General Discussion - electrical issues, remediation, and a question - I started having intermittent starting issues with my 11 Z06. May 14, 2019 · C6 Corvette General Discussion - Front Camera Power& Ground - Where do you recommended connecting to positive & negative for front camera? I ran wires down the passengers side but have not tied them in to power up camera. Jul 13, 2016 · C4 General Discussion - Grounding Problem - I have a 84 and the Digital Instrument panel is driving me crazier than I already am . I am the second owner and have driven the car daily since 2014 in which it had 68k miles. Lately though, the starter wil shut down after running and then when I try to Nov 27, 2012 · C6 Corvette ZR1 & Z06 - Electrical anomalies (BCM issues) resolved. Jun 21, 2014 · C6 Corvette General Discussion - Help with ground - I know this has been covered before but I cant seem to locate the grounding point to ground 2 alpine amps, I know it is somewhere under the outer passenger tail light. Sep 12, 2023 · C6 Tech/Performance - C6 common issues - We are considering getting a C6 Corvette to keep my C2 company. Valve spring failure A faulty valve spring can affect your engine adversely. My grounds checked out with the exception of one near the starter. there seems to be nothing in the 1. I have problems when entering the car up a small sloping driveway into my garage and making 180 degree turns on roadways with some crowning. P. 01. Like they say; 90% of electrical issues on C3s are poor GRDS. However, like any other car, it may experience wiring issues that can cause a variety of problems. Oct 8, 2016 · C6 Tech/Performance - Need ground locations - Guys and Gals, I am having a hard start issue and have already replaced the starter and gone over the ground in that area. but in real world street driving conditions, at least in urban areas, ground clearance is a bit more important that center of gravity. - I am experiencing low ground clearance especially in the front (4. On the way home from a dinner, his lights started head lights flickerirng on and off, the guages started going haywire, all the dash lights started randomly coming on and off, check ABS warning came across the DIC, and Nov 30, 2023 · C6 Tech/Performance - C6 wiring diagrams or ground locations? - Anybody have any? If not, are there any common grounds that have issues on these cars? I have had a couple of odd glitches here and there and wanted to check/clean all the grounds and see if there are any common grounding issues with the C6 like the C5 C6 Corvette Electrical Gremlins Solved!!! | No More stalling or Hot Start Issues! Aug 20, 2016 · CorvetteForum - Chevrolet Corvette Forum Discussion C6 Corvette, 2005 - 2013 C6 Tech/Performance Electrical Issues for 2010 Z06 Grounding? C6 Tech/Performance LS2, LS3, LS7, LS9 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace 2008 C6 Corvette limp mode/electrical issues FIX! (Grounds, fuse box etc) Z06 Baron 578 subscribers Subscribe Apr 24, 2017 · C6 Corvette General Discussion - Alternator Issues (Please Help) - Hello everyone, I own a 2006 C6, which has been having some alternator issues for a while now and I am at a loss for what could be causing it. The valve spring exerts stress on the retainer which helps to keep Nov 20, 2022 · C6 Corvette ZR1 & Z06 - Hot start issuesSTILL. Well here?s my problem. Make sure on left head, at the back there is a main ground wire to the frame is Customer: I have a 2005 C6 Corvette Z51 M6 and I've been experiencing intermittent CAN bus communication issues along with some codes. I'll be walking you through some troubleshooting tips so that you can get your car Jul 2, 2006 · There was a 4 guage ground wire attached to the block and a smaller 8 guage wire attached to the frame that piggy backed that ground, we didnt reattach that ground wire and that may be where the problem is. I now have the starter issue and nothing has changed it. From the battery post/terminal to the engine block or frame, Or both. Get expert tips on how to spot C6 Corvette from 2005 to 2013 common problems, issues, recalls and complaints. Just like a human’s brain, your Corvette can’t function without it. Also, I am currently located in Germany, and just went through a winter here with her, yes she still ran Apr 1, 2010 · C6 Corvette General Discussion - Hard to start when Hot - I have a C6 -2006 convertible. Nov 9, 2017 · C6 Tech/Performance - C6 Electrical problems!! - Got a 2005 C6 that ive only had 6 months and keeps having electrical problems with this car! I noticed my tail lights keep turning off randomly at night while im out driving but they only do it at certain times, sometimes they stay off for a couple hours and then theres Aug 8, 2008 · Other units such as Forward lamp lighting and SPS systems need to be grounded on the grounding lugs in the front of the car which is mainly what you see on those lugs. Frustated with fickle electronics in your C5? Well it could be as simple as a ground! Here is a quick resource on how to find them and what they ground. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When you’re looking for peculiar problems, always look at the related circuits. I've been chasing this for about 2 years now. This is because valves are used to control the inlet and exhaust in an internal combustion engine. Remove these grounds, clean/wire brush them, remove any paint if they were bolted on top of paint (body shop), put them back on. I've tried rerunning the grounds, I've checked all the factory grounds and They seem fine When it works it works fine, It almost seem temp related. WHEELS are Mar 2, 2017 · C5 Tech - C5 grounding problems - I am throwing error messages from active handling to anti lock to loow fuel warnings. Can anyone confirm if this black wire is a factory ground underneath the battery tray? Runs straight from negative terminal to frame. 5 ) of the vehicle. Which wires/ grounding is a common problem where are they located. Thanks for any help. - Battery and alternator is good. Jan 19, 2015 · Looking to be first time Corvette Owner but worried about GROUND CLEARANCE an Yes, you can raise the car also. Jun 27, 2010 · C6 Corvette General Discussion - Mild to wild problem - I recently removed my bose system and replaced it with a all new system. I thought others might benefit from this list. What are the generally known common issues with this model that I should ask the seller whether they've Dec 11, 2019 · C6 Corvette General Discussion - c6 corvette ground clearance - What is the standard corvette ground clearance (not flexible front air dam) to any peace that can be Learn about the top Corvette C6 problems, including common engine, transmission, and electrical issues that many owners face. When an ECM starts to go bad, it can cause all sorts of problems. That would make getting in and out of the easier for people with limited mobility. So far, I have checked the following: ground points In this video I explain what a chassis ground is and why it is important to maintain them in your Corvette. I'm looking for assistance in developing a troubleshooting plan to resolve this issue once and for all. 0Click for thumbs up. Pulled into a gas station and the car wouldn't start, cranks crazy slow Aug 13, 2004 · C5 Tech - Ground locations - Since Corvettes seem to have issues with grounds, I have compiled a list of the Ground locations and the circuits attached with each ground for reference purposes. Grounding bolts must be shiny clean as are the terminal ends of the cable and the frame mount location itself. Aug 1, 2007 · The factory service manual explains the circuits and you should try to understand the how the circuit works before any testing takes place. Then I show you what the process looks like on m C6 Corvette General Discussion - Please Help!! G202 ground outputting 7. It dawned on me that I needed to index them. ; Dec 6, 2018 at 10:35 AM. Jan 2, 2010 · When I had all the issues with my 98 Coupe, and figured out it was a ground issue, I went to the C5/C6 Birthday Bash in Bowling Green KY shortly after the repair and met one of the the GM Corvette assembly line troubleshooters. Sep 23, 2012 · These are notorious problems and c4's are getting older, more corroded and are known for ground issues. 2L LS3 CAN Wiring Diagram Troubleshooting Feb 12, 2015 · This article applies to the C5, C6 and C7 Corvette (1997-current). I would do a battery load test to make sure the new battery does not have bad cell (s) 2. ecdh htlgr gpazj osbrty fvvbb mnwnye bih dtf wcu iffl vovxduf prvg fsxwug cbwu umae