It dries fast, leaves no residue, and removes the most common surface contaminants. WD40 Specialist Contact cleaner is excellent at removing oils, corrosion, dirt, gunk, and condensation from sensitive electrical components and electrical contacts. Spray some white vinegar on the electrical contacts you want to clean.Disconnect your vehicle from power by removing the negative battery cable.If you leave any moisture on the contacts and you plug in your device before it dries, you risk causing shorts that will lead to serious damage to the electrical components. Unfortunately, it takes a long time to dry. White vinegar is a cold acid used for various cleaning purposes, including electrical contacts in your vehicle. There are alternatives to electrical contact cleaners in the market that you can use to clean the electrical contacts in your vehicle. What can I use to clean electrical contacts in my vehicle? Rejoin the negative battery cable and test the electrical contacts for continuity using a multi-tester.It also prevents the contacts from sticking to each other and increases the conductivity of the electrical contacts. Spray the contacts technician-grade grease to seal and protect them from corrosion.Once clean, use a dry lint-free cloth to wipe out any residue.Clean the contacts with a toothbrush to remove any stuck dirt.These cleaners are plastic-safe therefore, they wouldn’t ruin any surrounding parts. Then spray your commercial electronic cleaner on the areas, ensuring it gets to the crevices of the contacts.If the contacts are too corroded or broken, you may need to replace them. Wipe the contacts to remove dust and debris.First, scrub the contacts with a wire brush or steel wool to remove corrosion.Switch off the engine and disconnect the negative battery cable using a battery wrench to cut off the power supply to the electrical contact.
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