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Why do we need to disconnect the battery cables before performing any major engine service?

Why do we need to disconnect the battery cables before performing any major engine service?

Usually removing the positive cable first will cause no problems. However, removing the negative cable first is safer because it eliminates the possibility of having a short circuit if you inadvertently touch a tool to both the positive terminal and a metal part of the car at the same time.

What should I do if my battery fuse is blown?

If those are the ONLY things broken when the fuse is blown (make sure that turn signals, brake lights, etc DO work), I would leave a blown fuse in there for the long drive and only try to fix it before a short drive. Don’t risk further damage by replacing the fuse without examining the wiring first.

How big of Fuse do I need for battery bank fusing?

The ABYC Standards On Bank Fusing: The ABYC requirement is for a battery bank fuse to be within 7 wire inches of the battery bank. In the real world of boats and battery compartments this is often hard to do.

What’s the best way to clean a battery terminal?

To clean your battery’s terminals, first pop the plastic caps off of the positive and negative terminals by hand. Unscrew the negative cable by turning the nut on top of the cable counterclockwise with a socket wrench. Then, repeat this process on the positive cable and pull both cables away from the battery.

Why does a blown battery fuse make radio and locks work?

This time around, I disconnected the neg. terminal, installed the new 40A fuse and bam, radio and locks are back What exactly is the battery fuse for though, besides making the radio “work” etc?? Also, I heard some spark noises coming from the alternator area when I was hooking the battery terminal back up. I’m hoping I didn’t do anything.

If those are the ONLY things broken when the fuse is blown (make sure that turn signals, brake lights, etc DO work), I would leave a blown fuse in there for the long drive and only try to fix it before a short drive. Don’t risk further damage by replacing the fuse without examining the wiring first.

How to clean battery terminals with stuff you already have?

The recipe is simple. Mix one tablespoon of baking soda into one cup of water, and stir it together until it’s thoroughly mixed. Step 2: Undo the cables from the battery and inspect it. Make sure your engine is off. Pop open your hood and undo the negative and then positive cable attached to your battery.

This time around, I disconnected the neg. terminal, installed the new 40A fuse and bam, radio and locks are back What exactly is the battery fuse for though, besides making the radio “work” etc?? Also, I heard some spark noises coming from the alternator area when I was hooking the battery terminal back up. I’m hoping I didn’t do anything.

How often do you get a blown fuse?

Most people probably have experienced a blown fuse at one time or another. Someone always knows what to do when this happens. If you’re a homeowner, that person probably is you. Blown fuses are a common occurrence.

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Ruth Doyle