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Ground Problems

Posted by Portsmouth Trailer Supply on 22nd Mar 2024

When I have my headlights on and apply the brakes, all the lights on my trailer go out. What causes this? You have a ground problem. In your situation, you have a ground that is strong enough to … read more

What is Fuse Burn Out?

Posted by Portsmouth Trailer Supply on 18th Mar 2024

Why Am I blowing fuses on my vehicle? Check all wires for bare copper or places where a wire could be pinched and calculate the amp load your trailer is pulling. Most vehicles are equipped to handle … read more

What Is a Converter?

Posted by Portsmouth Trailer Supply on 14th Mar 2024

Converters What is a converter? Two types of taillight designs are found on vehicles; an independent bulb system and a common bulb system. If the brake light and turn signal operate from the sa … read more
​Burn in your new Brake Components

​Burn in your new Brake Components

Posted by WebDav on 19th Apr 2022

Your new brakes and/or drums have shiny new surfaces that need to "mate" in order to grab and have proper stopping power under load. Right now as you pull away, you can squeeze your "manual bra … read more