Power inverter hard wire problems

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cantgetright

Member - Posts: 8

Joined: April 02, 2004

Location: United States

Posted: April 02, 2004 at 9:32 AM / IP Logged

Ok, I've taken a regular inverter and tried to hard wire, but I keep blowing fuses. Originally the inverter came with a cig light connecter as well as alligator clip connectors. What I did was clip the alligator clips off and basically trying to hard wire direct to the battery. Every time I do it I blow a fuse. I damn near burned my car up when I tried to avoid fuses altogether by going direct from the battery. Luckily I had the inverter on the ground and the wire wasn't touching much of the car, but the entire covering around the wire burned up. Why is this happening and what can I do to stop it? I have no problems when using the cig lighter connection and had none when the alligator clips were still on. I've discected the cables that I cut and I see nothing that's on them that I should have added so it must be something about the alligator clips that allows for the inverter to draw power safely. Also one last bit of info...the fuses on the inverter are not blowing it's just the fuses within my car. I'm also not using any relays or switches and have not worked with them before. From what I've read a relay may he.p me, but I want to understand how it will help me. Please somone help.

flatulatta

Silver - Posts: 356

Joined: August 28, 2003

Location: United States

Posted: April 02, 2004 at 9:42 AM / IP Logged

maybe u should put an inline fuse holder for the inverter so it doesnt draw 2 much or to help protect the others

cantgetright

Member - Posts: 8

Joined: April 02, 2004

Location: United States

Posted: April 02, 2004 at 9:45 AM / IP Logged

I have no problem doing that, but I'm thinking just adding another fuse would only cause 'that' fuse to blow. I'm not sure though, maybe I don't really understand fuses. It blew my 30a ignigtion fusible link. This was all just in the testing phase just to see if it worked properly which it obviously doesn't.

cantgetright

Member - Posts: 8

Joined: April 02, 2004

Location: United States

Posted: April 02, 2004 at 9:47 AM / IP Logged

Let me add that I tried two seperate sources and it blew the same fusible link...first I tried the power line going to my head unit, then I tried the power line that goes to my cig lighter.

DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: April 02, 2004 at 10:18 AM / IP Logged

Sounds like your inverter is shorting out.

cantgetright

Member - Posts: 8

Joined: April 02, 2004

Location: United States

Posted: April 02, 2004 at 10:55 AM / IP Logged

What can I do to stop it from shorting out?

DYohn

Moderator - Posts: 10,741

Joined: April 22, 2003

Location: Arizona, United States

Posted: April 02, 2004 at 11:01 AM / IP Logged

If it's shorting out, it's defective and needs repair or replaced, sorry.

cantgetright

Member - Posts: 8

Joined: April 02, 2004

Location: United States

Posted: April 02, 2004 at 11:22 AM / IP Logged

Well I'm prone to agree that's it defective, but like I said it was working properly when I used the cig lighter and when I used the alligator clips before I cut them off. Is there a way the inverter could be sending power back through the power wire? This was my original thought and I thought maybe a relay would help this, but I don't really understand what relays do so I can't say specifically that it will work.

DYohn

Moderator - Posts: 10,741

Joined: April 22, 2003

Location: Arizona, United States

Posted: April 02, 2004 at 11:34 AM / IP Logged

OK, first off, is there anything plugged into it or is it blowing fuses under no load? If there is no load on it, then throw it away and get a new one as the DC side is fried. It'd be more expensive to fix it than to replace it. If there is something plugged into it, unplug it. If it powers up under no load, then the AC side has a problem and it might be worth getting it looked at for repair. In either case, something went wrong and it is broken if you are simply hooking up the power. No, a relay will not help you. Nor will anything else, unfortunately.

cantgetright

Member - Posts: 8

Joined: April 02, 2004

Location: United States

Posted: April 02, 2004 at 11:39 AM / IP Logged

Thanks for the help DYohn. It not a big deal about replacing it as it is brand new so I can just exchange. I did want to make sure that it was a problem with the inverter and not how I was wiring so I wouldn't just be going through the same scenario again. To answer your question though, there is nothing plugged in. I'm just putting power to it and it immediately blows whatever fuse is in it's way.

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