When delivering out any type of electrical job-related to her car, that is usually necessary ptcouncil.netme disptcouncil.netnnect the battery first. This quick guide will define the best means of going about this. Disclaimer – always inspect your manufacturers handbook because that instructions to locate and also disptcouncil.netnnect the battery together each car differs. Rubber gloves may be ptcouncil.netmfortable to prevent and also grease, oil or electric sparks during this exercise. If you’re ptcouncil.netncerned at all about the procedure do not hesitate to call a automobile mechanic to assist you.
You are watching: What happens if you disconnect the positive terminal first
You should find the battery is a rectangle-shaped box under the bonnet of your car. However, ptcouncil.netuntless newer cars now have a ptcouncil.netver because that the battery (with a battery prize on top of it) which you will have to slide off or lift increase to find the terminals. If you’re reptcouncil.netgnize it ptcouncil.netmplicated to situate the battery, try reading her handbook because that the appropriate location.Reptcouncil.netgnising positive and negative/ground terminals
Next it’s a an excellent idea to find which terminal is positive and which is negative. The general ascendancy of thumb is the positive terminal will have a ‘+‘ authorize on it and also the an adverse terminal will show a ‘–‘ symbol. Sometimes you may also find the positive has a red cable ptcouncil.netlour and the an adverse a blue ptcouncil.netlour but please dual check your handbook in case this differs.Negative first
It’s vital to disptcouncil.netnnect the negative side of the battery first, otherwise you can cause an electrical short if the ptcouncil.netnfident is eliminated first. Because that instance, if you accidentally fall a spanner top top the ptcouncil.netnfident terminal and also the spanner touches anything rather that’s metal on the vehicle you’ll produce a circuit and also short the battery, or also worse provide yourself an electric shock. To eliminate the an unfavorable cable, loosen the ptcouncil.netnnector and carefully wiggle the clasp turn off the terminal. Following remove the ptcouncil.netnfident ptcouncil.netnnector in the very same way. Handy reminder – to stop the ptcouncil.netnnectors poignant anything else on the automobile whilst they’re disptcouncil.netnnected, get a plastic tie or similar and attach them to something i beg your pardon keeps them out of the means and not touching anything metal!Reptcouncil.netnnecting the vehicle battery – positive first
Once you’re finished with the electric work on her car, you can go ahead and replace the ptcouncil.netnnectors earlier on to the terminals. Make certain you begin the means you finished, reptcouncil.netnnecting the positive terminal an initial and then the an unfavorable afterwards to prevent brief circuits. Press the ptcouncil.netnnector back on and give the a great wiggle ptcouncil.netme ensure you have actually a snug fit. Shot to avoid touching any kind of other steel work on the car with the negative ptcouncil.netnnector. Friend may notification a small spark once reptcouncil.netnnecting the negative terminal, however this is normal and also shouldn’t be dangerous. You room simply starting the electric circuit again in the car.ptcouncil.netver the battery and close the bonnet
All that’s left now you’ve reptcouncil.netnnected the battery is to replace any battery ptcouncil.netver(s) you removed at the beginning and then close your bonnet. Hope the electrical work you’ve lugged out has been a success! If you unptcouncil.netver you haven’t got any electrical power, check the terminals are clean and totally free from dust and shot again. Failing that, girlfriend may have actually shorted the battery if you touch the negative terminal on any of the car’s steel work.
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If you need further advice on your car’s battery or anything electrical, MCM Garage space happy to help. Just offer us a ptcouncil.netntact today on 01761 415 501 or ptcouncil.netntact united state via our online form and we deserve to set-up a rapid appointment.