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What is the Big difference? 12Vdc

Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=82064
Printed Date: May 09, 2024 at 6:31 PM


Topic: What is the Big difference? 12Vdc

Posted By: percyv143
Subject: What is the Big difference? 12Vdc
Date Posted: August 26, 2006 at 1:59 AM

Hi. I have a CRV 2006 V4 and I am using it for work. I am using some equipment in the car and this is what I had observed. I have a direct wire tap from the battery (fused) to connect some equipment like laptop and/or other equipment. I noticed that my equipment had a problem with the voltage input if it was connected thru the wire directly connected to the battery but when I had connected it thru the cigarette lighter the equipment worked fine. The cigarette lighter socket has only 10A and my direct batt wire has a 20A fuse. What is the big difference why the cig-socket has better voltage output than the direct batt wire? Please explain. Thank you.



Replies:

Posted By: geepherder
Date Posted: August 26, 2006 at 6:06 AM
The lighter plug most likely has filtration built-in, such as a voltage regulator, capacitor, etc.

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Posted By: audiocableguy
Date Posted: August 26, 2006 at 8:00 AM
What guage of wire to the battery and how long? Also do you have a sufficient ground?




Posted By: auex
Date Posted: August 26, 2006 at 8:27 AM
audiocableguy wrote:

Also do you have a sufficient ground?

That is probably it.

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Posted By: percyv143
Date Posted: August 26, 2006 at 3:01 PM
I had connected the negative and positive wires to the batt by using an alligator clip that came with a power inverter kit. The size of the clip is approx. 3". The length of the wire is about 10 feet and gauge is probably 12. The wire has a switch and an inline fuse of 20A. Would it really make a difference if the wires are connected to the batt by means of a screw not just the alligator clips? Thanks for the replies.




Posted By: percyv143
Date Posted: August 26, 2006 at 10:39 PM
Ok. I'll check out those connectors at an auto shop tomorrow and hopefully it will output a better voltage for my equipment. Thanks.





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