Wiring help...I am new!
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=26545
Printed Date: July 26, 2025 at 1:35 PM
Topic: Wiring help...I am new!
Posted By: Gboy
Subject: Wiring help...I am new!
Date Posted: February 15, 2004 at 7:18 PM
If I am wiring a LOC to the back of my headunit....how do I splice the wires from my harness of the HU to the LOC? Do I just cut and soder? What is the correct method? Thanks.
Replies:
Posted By: customsuburb
Date Posted: February 15, 2004 at 7:22 PM
you can either solder or use crimp on bullets that you can buy from radioshack or somehwere like that. Dont just cut the wires and use tape. You need to either crimp or solder to get a good solid connection behind your dash.
Posted By: DYohn
Date Posted: February 15, 2004 at 7:22 PM
The easiest place to get at the speaker wires is usually at the speakers themselves, especially if you have rear deck speakers. But yes, you can cut and solder (and make sure to carefully insulate the solder joints after you are done) or you can use crimp-on butt-splice connectors. Just don't use wire nuts as they can vibrate off.
Posted By: Gboy
Date Posted: February 15, 2004 at 7:24 PM
Let me see if I understand...I must cut the wire somewhere so that the signal doesn't run to the existing speakers. I want the signal to pass through the LOC to the amp. Are you saying to cut and soder the ends together. Or cut and about an inch above the cut peel back the rubber and soder there or crimp. Thanks.
Posted By: DYohn
Date Posted: February 15, 2004 at 7:31 PM
The signal CAN run to the existing speakers if you are simply adding an amp (like a sub amp.) If you intend for your new amp to power the existing speakers, then yes, you must cut the original signal, send it to the amp, then send the amp's signal to the speakers. Which are you doing? Read the page below to help you get started. It discusses how to splice wires. https://www.bcae1.com/installationprimer.htm
Posted By: Gboy
Date Posted: February 15, 2004 at 7:39 PM
DYohn] wrote:
p>The signal CAN run to the existing speakers if you are simply adding an amp (like a sub amp.) If you intend for your new amp to power the existing speakers, then yes, you must cut the original signal, send it to the amp, then send the amp's signal to the speakers. Which are you doing?Read the page below to help you get started. It discusses how to splice wires. https://www.bcae1.com/installationprimer.htm
Posted By: Gboy
Date Posted: February 15, 2004 at 7:40 PM
I am running the wires directlly to the amp, so I must cut and put them to the LOC. What LOC do you recommend? PAC, Schoshe? I don't want to pay too much money. It looks like a crimp will be the best method. What do you think?
Posted By: customsuburb
Date Posted: February 15, 2004 at 7:42 PM
1. first cut the pair of speakers leads you are using for your signal(either the two front or two back speaker leads)that is coming out of the back of your head-unit 2. the only reason you wouldn't want the signal coming from the head-unit to go the speakers is if the external amp you are using is powering the speakers that you would be disconnecting the leads to. If this amp is not for these speakers (if you are using the amp for subs) then you will need to solder or use a crimp on butt-splice connector all three wires (head-unit's + speaker lead for the front or back left or right speaker, the LOC's + wire for the same location of speaker, and the lead you cut from the head-unit going to the speaker). Leave yourself some slack in the head-unit's wiring harness incase you want to take off the LOC someday. This way you want have to try to crimp with only 1/8" of wire. Hope your install goes well.
Posted By: customsuburb
Date Posted: February 15, 2004 at 7:44 PM
Just go with whatever you can find. There quality shouln't vary by much.
Posted By: Gboy
Date Posted: February 15, 2004 at 7:47 PM
So this is it...I am installing an amp on an existing OEM head unit. I have a G35 sedan, base model...no amp. I am adding MTX 895, which will power my four speakers and small 10 in. sub. I must add a LOC. I will cut from the back of my HU the wires that lead to all four speakers and then crimp them to the LOC leads. From there I will have twisted RCA jacks to the amp. From there I will run new 16 guage speaker wire back to the speaker. If this sounds good let me know.
ALSO, I have a Schoshe LOC. Should I buy PAC or what do you recoommend. Thanks.
Posted By: DYohn
Date Posted: February 15, 2004 at 8:06 PM
That sounds fine, although don't cut the wires in your car's wiring harness, get the Metra or Schoshe wiring harness adapters for your car. Get both the "into car" and the "into radio" harnesses, and then you can use those wires for your splices and not have to damage the car's wiring. I agree with customsuburb, pretty much any LOC is the same as any other. Just make sure the one you have is rated to handle the power output from your OEM head unit (which I suspect it is.)
Posted By: stratusfear69
Date Posted: February 16, 2004 at 2:01 AM
Gboy]< wrote:
>So this is it...I am installing an amp on an existing OEM head unit. I have a G35 sedan, base model...no amp. I am adding MTX 895, which will power my four speakers and small 10 in. sub. I must add a LOC. I will cut from the back of my HU the wires that lead to all four speakers and then crimp them to the LOC leads. From there I will have twisted RCA jacks to the amp. From there I will run new 16 guage speaker wire back to the speaker. If this sounds good let me know.
ALSO, I have a Schoshe LOC. Should I buy PAC or what do you recoommend. Thanks.NO, that does NOT sound good. You do NOT need to cut the wires, just tap into them. Strip some of the speaker wires' insulation off, and connect the LOC wires directly to the bare wire. You should NOT be CUTTING anything.
Posted By: customsuburb
Date Posted: February 16, 2004 at 11:28 AM
stratusfear why shouldn't he cut anything. You never gave a reason why its not ok. He wants to crimp it, and I can't see someone crimping wire without cutting it. Even if you don't cut it right now you will if you want to remove the LOC from the vehicle. JUST cut it and crimp and never look back.
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