Does a negative wire need a fuse?
Do I need a fuse on the negative wire to my radio? It won’t hurt if you install a fuse on the negative lead, and the wiring harness that ships with most Amateur mobiles has two fuses. The fuse on the negative (ground) lead is only really required on installations that connect directly to the vehicle battery.
Can you put a fuse on a negative wire?
Putting the fuse on the negative wire protects only the equipment, fuse in positive lead protects the equipment and the voltage source. If the black wire gets skined and shorts to ground,. Typically the negative terminal is ground.
What kind of fuses do I need for auxiliary power?
There’s a variety of manufacturers who make auxiliary fuse panels that will support anywhere from 6-12 fuse positions, or 6-12 auxiliary power connections—up to 125amps in total. We recommend the fuse blocks and circuit breakers from Blue Sea Systems as they’re durable and easy to set up.
What’s the best way to control auxiliary power?
We also recommend a manual battery kill switch in between that connection. One of the most common ways to control power and properly protect circuits is with an auxiliary fuse block and max-amp circuit breaker.
Do you need a negative bus for auxiliary power?
We also recommend setups with a negative bus, as they provide a very solid ground (important for proper function and protection) and helps eliminate the need for searching for a solid ground to power your electronics. Each auxiliary connection should be protected by a fuse that is as close to the amp draw for the accessory.
How to wire up a 12V accessory plug?
Another of the new ‘Basic Skills’ family of short videos, this one covers how to wire up a 12v accessory plug. These are becoming more & more popular given the increasing number of accessories we are ‘plugging into’ our cars these days. Items like fridges, heated cups, fans, heaters, laptops & CB radios to list but a few.
There’s a variety of manufacturers who make auxiliary fuse panels that will support anywhere from 6-12 fuse positions, or 6-12 auxiliary power connections—up to 125amps in total. We recommend the fuse blocks and circuit breakers from Blue Sea Systems as they’re durable and easy to set up.
How do you remove a fuse box from a car?
Once the lid is off and set aside, find and disconnect the power supply to the fuses. There is a possibility the power supply is routed through the bottom. In that case, skip to step 4 to remove the fuse box housing to access the wires, and then come back to step 3 before proceeding.
We also recommend a manual battery kill switch in between that connection. One of the most common ways to control power and properly protect circuits is with an auxiliary fuse block and max-amp circuit breaker.
When do you need to replace your fuse box?
The main unit that houses these fuses can be damaged by impacts, water, weather, and a wide variety of variables. Replacing them can be done quickly and cost effectively. If you need assistance with the replacement of your fuse box, a certified technician, such as one from YourMechanic, can replace it for you at your home or office.