4 6 out of 5 stars 14.
Trailer electrical connector cleaner.
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White vinegar will clean the connector and leave no moisture behind so that dielectric grease 11755 will then do a good job of protecting the contacts in the connector.
Again you need to be careful of using a liquid and shorting something so disconnect the battery first.
An electrical parts cleaner is essential to have in your toolkit.
Spray down the connectors.
There are many brands on the market and you need a way to differentiate between the good and bad.
Rvguard 4 flat to 7 way blade trailer adapter electrical connector with connector socket mounting bracket for rv truck car.
This approach will do a good job of cleaning a connector that is not too badly corroded.
Use a air hose or set it out to air dry for a day.
Make sure that connector is dry before connecting the battery.
Fortunately we carry the best electrical parts cleaner for cars and trucks to give you an ultra convenient way to find a premium product.
Video tech tip on how to remove the corrosion from your trailer light connector fast and easy.
Removes dirt grease and corrosion from the contacts and terminals.
Wd 40 specialist electrical contact cleaner spray electronic electrical equipment cleaner.
7 way trailer plug scrubber cleans both tractor plug and trailer receptacle male and female.
Step by step how to video on how to clean and protect 4 pin and 7 pin trailer hitch connectors.
Tool for scrubbing 7 way trailer plugs with built in stainless steel bristles.
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Normally these tend to be exposed to a fair amount of road deb.
Pack of 1 300554 e 4 5 out of 5 stars 4 417 10 79 10.
Compact speedy cleaner reduces down time by cleaning both male and female connections.
If the corrosion is beyond the point of cleaning a new connector is recommended.