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How do I bypass the GTS factory AMP ? #182590 May 21, 9:21am May 21, 9:21am
Joined: Sep 2003
Posts: 705
Quebec, Canada
SSCarbonGTS OP
Senior Member
2000 Toyota Celica
SSCarbonGTS OP
Senior Member
2000 Toyota Celica

Joined: Sep 2003
Posts: 705
Quebec, Canada
How do I bypass the GTS factory AMP ?
I'm installing my new head unit (taking out the factory toyota radio) this afternoon and people told me that I have to bypass the factory amp ...

Does anyone have any pics on instruction to do this ????

Thanks in advance !!


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Mom, I Lost you on April 7th 2004, but I will remember you for ever... I'm missing you
Re: How do I bypass the GTS factory AMP ? [Re: SSCarbonGTS] #182591 May 21, 9:28am May 21, 9:28am
Joined: Sep 2003
Posts: 22
Portugal
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Daemon
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2001 Toyota Celica T-Sport
Daemon
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2001 Toyota Celica T-Sport

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Posts: 22
Portugal
i have replaced mine, and never heard about that...
just take the old one e put the new one.


[]
Daemon
Re: How do I bypass the GTS factory AMP ? [Re: Daemon] #182592 May 21, 9:49am May 21, 9:49am
Joined: Feb 2004
Posts: 1,716
Nebraska
celicafourotwo
Specialist
2000 Toyota Celica
celicafourotwo
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2000 Toyota Celica

Joined: Feb 2004
Posts: 1,716
Nebraska
^^^ehhhhhhhhh...wrong, unless you have a GT or GTS without premium system then you ok..if you do have an amp (on the right side, behind the glove compartment) like i do then u're pretty much screw, like i am..it's hard as hell, i haven't been able to figure out either...noone in here seem to have pictures of exactly what to do..hope someone does soon, because i'm tire of the stock headunit..oh yeah if you gonna have a shop do it, they'll rape you on the prices, chances are they might have to keep ur car for a fews day, atleast that's what i've heard from some people..


Originally Posted by pesho01
Question:
Whenever my car is at a full stop or even in park the RPM never sits on 0. what does this mean?
Re: How do I bypass the GTS factory AMP ? [Re: SSCarbonGTS] #182593 May 21, 9:56am May 21, 9:56am
Joined: Nov 2002
Posts: 78
Greenville, SC
2002 Absolute Red Toyota Celica
redracer
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2002 Toyota Celica
redracer
2002 Absolute Red Toyota Celica
Member
2002 Toyota Celica

Joined: Nov 2002
Posts: 78
Greenville, SC
I had the oem amp, and sucessfully bypassed it. I have no pics... but all I did was remove the wiring and use a digital multimeter to trace the signal from each speaker to the amp input. All the colors are pretty much consistant from one end to the other.

The only problem I did have, I couldn't find to correct after market wiring harness. I improvised by using speaker wire and splicing in the factor harness. It sucks I had to do it that way, but I found no support otherwise... It now looks great and works really well.

Good luck, pm me with any questions, I will be glad to help.

Re: How do I bypass the GTS factory AMP ? [Re: redracer] #182594 May 21, 11:19am May 21, 11:19am
Joined: Apr 2004
Posts: 338
Macomb IL
Brian63
Member
2000 Toyota Celica
Brian63
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2000 Toyota Celica

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Macomb IL
You can just bypass the amp and hardwire your radio in. thats what I had to do. just play around and figure out what wires are what. I also had to put a cross over in for my tweeters.

Re: How do I bypass the GTS factory AMP ? [Re: Brian63] #182595 May 21, 11:26am May 21, 11:26am
Joined: Apr 2003
Posts: 1,899
Maryland
2003 silver streak Toyota Celica GT
Gen7fan
ThE iRoN mAiDeN
2003 Toyota Celica GT
Gen7fan
2003 silver streak Toyota Celica GT
ThE iRoN mAiDeN
2003 Toyota Celica GT

Joined: Apr 2003
Posts: 1,899
Maryland
you could just by the new harness from www.crutchfield.com and save your self a ton of time and headaches.

Re: How do I bypass the GTS factory AMP ? [Re: Gen7fan] #182596 May 21, 2:19pm May 21, 2:19pm
Joined: Feb 2004
Posts: 1,716
Nebraska
celicafourotwo
Specialist
2000 Toyota Celica
celicafourotwo
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2000 Toyota Celica

Joined: Feb 2004
Posts: 1,716
Nebraska
^^^do they have harness for premium system now?? the last time i check with them they don't have it if ur car have premium system...that's y i didn't buy it from them..i'll throw 'em an email agin to see what they'll say..


Originally Posted by pesho01
Question:
Whenever my car is at a full stop or even in park the RPM never sits on 0. what does this mean?
Re: How do I bypass the GTS factory AMP ? [Re: celicafourotwo] #182597 May 22, 10:44am May 22, 10:44am
Joined: Apr 2004
Posts: 116
PA
2000 Black Toyota Celica
mxsuperfly25
Adrenaline
2000 Toyota Celica
mxsuperfly25
2000 Black Toyota Celica
Adrenaline
2000 Toyota Celica

Joined: Apr 2004
Posts: 116
PA
i did it, you need to drop down your glove box, that's where the factory amp is, take out the harness in the back (if you guys still want a pic pm me) i wrote sumthing on this somewhere you gotta search.. or my aim/email is mxsuperfly25@aol.com

Re: How do I bypass the GTS factory AMP ? [Re: mxsuperfly25] #182598 May 22, 9:06pm May 22, 9:06pm
Joined: Jan 2004
Posts: 1,230
Massachusetts
FloydianSlip6
Specialist
2002 Toyota Celica
FloydianSlip6
Specialist
2002 Toyota Celica

Joined: Jan 2004
Posts: 1,230
Massachusetts
Yeah I have pics up from an install I did on it. Not sure why it's not in installs section yet. I'll find it and link it.

Re: How do I bypass the GTS factory AMP ? [Re: FloydianSlip6] #182599 May 22, 9:08pm May 22, 9:08pm
Joined: Jan 2004
Posts: 1,230
Massachusetts
FloydianSlip6
Specialist
2002 Toyota Celica
FloydianSlip6
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2002 Toyota Celica

Joined: Jan 2004
Posts: 1,230
Massachusetts

Re: How do I bypass the GTS factory AMP ? [Re: FloydianSlip6] #182600 May 24, 9:13am May 24, 9:13am
Joined: Feb 2004
Posts: 47
Norman, OK
2000 Absolute Red Toyota Celica
daman1799
Member
2000 Toyota Celica
daman1799
2000 Absolute Red Toyota Celica
Member
2000 Toyota Celica

Joined: Feb 2004
Posts: 47
Norman, OK
I'm glad someone finally decided to post an install guide for this. The first thing I did after getting my Celi was was replace the entire stock stereo system with my own aftermarket and it took me a day alone to figure out how to bypass the factory amp in the car. It is possible as long as you know what wires to splice into. There is no wiring harness for the Toyota GTS so you have to do it the hard way. I did mine like 7 months ago and it's still the best system on the block. :-)

Re: How do I bypass the GTS factory AMP ? [Re: daman1799] #182601 May 24, 10:07am May 24, 10:07am
Joined: Sep 2003
Posts: 705
Quebec, Canada
SSCarbonGTS OP
Senior Member
2000 Toyota Celica
SSCarbonGTS OP
Senior Member
2000 Toyota Celica

Joined: Sep 2003
Posts: 705
Quebec, Canada
Thanks everyone, we did it friday...

We use the GTS Wiring code in the install section...

It's sound great, but now I need more bass...

wave


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Mom, I Lost you on April 7th 2004, but I will remember you for ever... I'm missing you
Re: How do I bypass the GTS factory AMP ? [Re: daman1799] #450209 Aug 23, 1:09pm Aug 23, 1:09pm
Joined: Aug 2014
Posts: 1
phx, az
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azcelicagt00
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azcelicagt00
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New Member

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Posts: 1
phx, az
Hey. So i bypassed my amp according to instruction but im getting power and no sound. Can u help

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