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Stereo Wiring Suggestion #746292
March 17th 2019 4:43 pm
March 17th 2019 4:43 pm
Joined: Dec 2011
Posts: 161
Charlotte, North Carolina
J
JDouglas Offline OP
member
JDouglas  Offline OP
member
J
Joined: Dec 2011
Posts: 161
Charlotte, North Carolina
I'm not happy with the wiring coming out of my aftermarket Stereo and could use some suggestions on routing. The amplifier is mounted under the drivers seat and powers the Dash Speakers I installed. Front speakers in the door and rear speakers near the rear cargo doors come off new aftermarket stereo harness.
The wiring from the stereo is routed around the engine "doghouse" cover then under the carpet to the amplifier inputs. Amplifier outputs are routed alongside the same wires back to the speaker harness for the front dash speakers.

Amplifier power is run down the left side of the engine and under the carpet. It looks like a tangled mess right now.


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1993 Chevy Van G20


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Re: Stereo Wiring Suggestion [Re: JDouglas] #746376
March 19th 2019 9:48 am
March 19th 2019 9:48 am
Joined: Jan 2014
Posts: 480
Staunton, VA
kursed Offline
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kursed  Offline
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Joined: Jan 2014
Posts: 480
Staunton, VA
If you weren't 4 hours from me, I'd help you wire the thing up.

Check out YouTube for car stereo installation tips.

I would suggest pulling everything and starting from scratch. It seems like a pain when you think about it, but it will be worth it in the end. Try routing your wiring to the doors, across the underside of dash. Then follow your door frame to the floor. Keep as much as you can hidden under carpet or door sill plates.

Feel free to post a pic of what you have going on and I can make some more suggestions.

Re: Stereo Wiring Suggestion [Re: JDouglas] #746839
April 01st 2019 2:16 am
April 01st 2019 2:16 am
Joined: May 2007
Posts: 9,795
On Route 66 in Bethany Oklahom...
Uncle_Fester Offline
Festerus Vannimus
Uncle_Fester  Offline
Festerus Vannimus
Joined: May 2007
Posts: 9,795
On Route 66 in Bethany Oklahom...
Agreed, it sounds like the best bet will be a total retire of the system.
I also agree it need to be ran out to the door, down along the foot well and to the amp.
Keep the power, ground, and switched wires separate from the RCA wires as the can cause interference in the form of static and or hum....also make sure your various grounds are to bare metal and maybe even consider running a thin (18ga) wire from ground point to ground point to help kill any potential whines.....

Wish you where closer, I miss doing this kind of work.


My van :
1991 Dodge B-250 (Junk Yard Dawg)
5.2 tbi V8, auto trans, and junk yard parts....


Founder & President of Sooner or Later United Truckers and PROUD TO BE A S.L.U.T. ! !
Re: Stereo Wiring Suggestion [Re: Uncle_Fester] #746979
April 03rd 2019 9:07 pm
April 03rd 2019 9:07 pm
Joined: Mar 2019
Posts: 10
North Adams
S
stpaddy2017 Offline
stranger
stpaddy2017  Offline
stranger
S
Joined: Mar 2019
Posts: 10
North Adams
Originally Posted by Uncle_Fester
Agreed, it sounds like the best bet will be a total retire of the system.
I also agree it need to be ran out to the door, down along the foot well and to the amp.
Keep the power, ground, and switched wires separate from the RCA wires as the can cause interference in the form of static and or hum....also make sure your various grounds are to bare metal and maybe even consider running a thin (18ga) wire from ground point to ground point to help kill any potential whines.....

Wish you where closer, I miss doing this kind of work.


Hi Uncle,
I have an 04 savana 3500 extended. I had a whine (befiore I somehow blew my cheap 4 ch amp) I now have 2 Memphis amps that I do not want any problems with as they werent cheap. I had a whine or some ground loop noise before. I noticed your 218 awg ground to ground comment. could you explain a bit more what you mean by that?? do you mean from battery to ground point. (I drilled a hole in a support, ground it down to bare metal and bolted my grounds to that but just one amp. curious about what u meant as i said did have whine before
Thanks.
St Paddy

Re: Stereo Wiring Suggestion [Re: JDouglas] #746981
April 04th 2019 5:45 am
April 04th 2019 5:45 am
Joined: May 2007
Posts: 9,795
On Route 66 in Bethany Oklahom...
Uncle_Fester Offline
Festerus Vannimus
Uncle_Fester  Offline
Festerus Vannimus
Joined: May 2007
Posts: 9,795
On Route 66 in Bethany Oklahom...
Let me try....
Using the ground/s you have, run a 18ga wire from battery negative to radio ground, amp ground, and any other grounds you have for the stereo system pieces. This makes sure all ground points are “the same” and reduces the chance of a ground loop (whine) dramatically. Basically this makes the stereo THINK all the grounds are shared by one grounding bolt, while keeping the actual ground wires as short as possible. Always keep the ground for each component with in 24” of the part.
I hope that helps....


My van :
1991 Dodge B-250 (Junk Yard Dawg)
5.2 tbi V8, auto trans, and junk yard parts....


Founder & President of Sooner or Later United Truckers and PROUD TO BE A S.L.U.T. ! !

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