Welding On Exhaust Disconnect Battery

Typically ahead of welding MIG or ARC I would disconnect the battery to prevent damaging any electrical systems on the vehicle. I have never bothered to disconnect anything when welding on a car and during 20 years of welding have never had any kind of problem.

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A few days later the head unit screen started going white and rebooting itself.

Welding on exhaust disconnect battery. Should you accidentally melt some wires while welding with the battery connected you might blow fuses blow some expensive boxes up or even cause the car to catch-fire due to the electrical short. By billvanderhoof Date 04-23-2003 0413 One hears many opinions on this. If you have the earth clamp of the welder on the exhaust close to the point you are welding then it will probably be all good.

If you leave it connected YES there is a CHANCE you can fry the alternator or the likes. Always unhook the batteries both - Set you ground clamp as close as possible to the area to be welded with a clean connection. Thanks for the advice Jason.

There are a few vehicles now where the manufacturers DO require disconnecting the battery on newer vehicles last two to three model years but along with that they also require disconnecting several harnesses as well. Others think that positioning the welding earth clamp near to the weld will offer protection. Disconnect the batterys negative terminal.

Keep the ground clamp as close to the weld as you can. Make sure the battery negative terminal is disconnected. Joined Apr 17 2010 196 Posts.

If your welding on the door ground the door. Disconnecting the battery takes about 15 seconds on most cars if that. If you are welding on the exhaust dont ground on the body.

If you connect the work lead adjacent to where the weld will be done there shouldnt be a problem. A stray arc from the welder could accidentally fry your entires cars computer. So Whos with me on this urban myth which should be filed along with your handbrake cable has stretched or your car is pulling to the left must be the tracking and that noise when your foot is OFF the.

Polar vortex was in full force this last week so not huge progress but progress nonethelessI show some tricks to mount an A Pillar gauge pod some floor w. If I use an electric welder to weld the exhaust system on my car is there any chance of doing damage to the cars elec. Jump to Latest Follow 1 - 9 of 9 Posts.

This time around I will be disconnecting my battery. While there is disagreement on the forums I looked at some say yes some not necessary personally I have had exhaust work done on a car with a MIG welder not acetylene a trailer hitch installed on my truck with an wand arc welder and other things and never disconnected the battery and never had a. What is more important is proper placement of the returnwork lead.

My high-amp house battery bank does not have a handy disconnect havent found a 12V 200-amp automarine disconnect yet - yes I run electric AC hot water heater and microwave applications simultaneously. The truck has many items that are grounded via wires to the motor and body. How to Minimize the Risk When Welding.

Hes never had a problem yet. I knock wood have never had any trouble and all I do is be careful to. It is also very important that you take of the battery cables while welding the exhaust pipe.

You should always disconnect the battery every time you perform electic welding on a vehicle. Discussion Starter 1 May 8 2010. You can damage electrical components you can start fires.

Just make sure to take off the battery cables for your own and your cars safety. You disconnect the battery and all is good. Welding Battery Disconnect.

Would it be a good idea to disconnect the cars battery. Log in or Sign up. Disconnect both battery cables and place your ground wire as near as possible to where you are welding.

This particular vehicle has quite a large number of electrical systems including an alarm system which seems able to activate even when the battery is disconnected. Yes the batt add protection from spikes. I have repaired cars where someone grounded a.

This breaks the loop through the battery so that possible overvoltages are reduced. Place the welders earth as close as possible to your welding work and ensure. Remove the panel where the ECU is located.

Open this panel to access the ECU. The battery of the car should be divided on the negative side. But to avoid any possibilities disconnect the battery.

The steps below detail how to remove the ECU from the injury of being damaged while welding. To fail to do so can have two possible outcomes. I spoke to an exhaust fabricator about installing new cats and he said the electrical should be ok.

If Im welding on a car should I disconnect the battery first or any other electrical items before welding. The key to this is the elimination of the weld circuit searching for a path of least resistance for a ground. I weld on my vehicleRV on occasion and its a PITA to disconnect all the power sources solar house battery bank starting battery etc.

Not sure if the welding had anything to do with it. The current will do damage. Two rules to follow.

I have to reweld the swing arm front belt guard tab on my Dyna and the battery terminals are always a Pita to get at with my old style solo seat. System or the computer. Some mechanics disconnect the battery during welding in the mistaken belief this will protect those sensitive systems on the vehicle from voltage spikes.

Most often the ECU is located under the glove box on the passenger side of the car. Better safe than sorry. Dyna Mike Registered.

If you disconnect the negative jumper it to the positive terminal to prevent the main line from just floating. Here is what I have read lately about welding on vehicles.

Dc 12v Automobile Car Battery Switch Disconnect Remote Kit Terminal Master Kill Latching Relay Electromagnetic S Kill Switch Remote Control Cars Remote Control