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12V Socket Power and Ground Wiring?

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=65484
Printed Date: July 04, 2025 at 9:12 PM


Topic: 12V Socket Power and Ground Wiring?

Posted By: yg17
Subject: 12V Socket Power and Ground Wiring?
Date Posted: November 02, 2005 at 2:09 PM

Extremley dumb question.

If I'm going to hardwire something into my cars power, the positive wire goes to 12 volt, and the negative just gets grounded, right?

This is the first time I've seen the wires referred to as positive and negative. Most headunit manuals I've ever seen label it positive or 12v and ground.



Replies:

Posted By: mikew04
Date Posted: November 02, 2005 at 2:12 PM

Correct

Make sure your wires are fused properly.



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6th gen Celica | Alpine CDA-9827 | Pioneer GMX962 | CDT CL components | JBL 600.1 | Infinity Reference 12



Posted By: yg17
Date Posted: November 02, 2005 at 2:16 PM
well, what I'm doing is installing a hidden cigarette lighter for a sirius receiver (starmate replay). I was just going to tap into my pioneer headunit's harness for power. that way, I'm not cutting stock wiring. Would I need to add a fuse there? It's got a fuse in the fusebox, and don't most cig ligher plugs have fuses in them?



Posted By: eurocar
Date Posted: November 02, 2005 at 2:33 PM
Do you want to burn the wire to the fuse box or to the cig lighter assy? You can never be too safe.

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john henrie
eurocarusa@verizon.net



Posted By: yg17
Date Posted: November 02, 2005 at 3:50 PM
what size fuse would you recommend then?


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