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What is the Big difference? 12Vdc


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percyv143 
Copper - Posts: 77
Copper spacespace
Joined: December 18, 2004
Location: United States
Posted: August 26, 2006 at 1:59 AM / IP Logged  
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.
geepherder 
Platinum - Posts: 3,668
Platinum spaceThis member consistently provides reliable informationspace
Joined: October 27, 2003
Posted: August 26, 2006 at 6:06 AM / IP Logged  
The lighter plug most likely has filtration built-in, such as a voltage regulator, capacitor, etc.
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audiocableguy 
Copper - Posts: 630
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Joined: January 27, 2003
Location: Idaho, United States
Posted: August 26, 2006 at 8:00 AM / IP Logged  
What guage of wire to the battery and how long? Also do you have a sufficient ground?
auex 
Platinum - Posts: 5,041
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Location: Arizona, United States
Posted: August 26, 2006 at 8:27 AM / IP Logged  
audiocableguy wrote:
Also do you have a sufficient ground?
That is probably it.
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percyv143 
Copper - Posts: 77
Copper spacespace
Joined: December 18, 2004
Location: United States
Posted: August 26, 2006 at 3:01 PM / IP Logged  
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.
percyv143 
Copper - Posts: 77
Copper spacespace
Joined: December 18, 2004
Location: United States
Posted: August 26, 2006 at 10:39 PM / IP Logged  
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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