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Joined: Sep 2003
Posts: 705
SSCarbonGTS
Senior Member
SSCarbonGTS May 21, 5:21pm - #182590 

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
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Posts: 22
Daemon
Member
Daemon May 21, 5:28pm - #182591 
Member
2001 Toyota Celica T-Sport

Joined: Sep 2003
Posts: 22
Portugal
i have replaced mine, and never heard about that...
just take the old one e put the new one.

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Daemon
Joined: Feb 2004
Posts: 1,716
celicafourotwo
Specialist
celicafourotwo May 21, 5:49pm - #182592 

Specialist
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?
Joined: Nov 2002
Posts: 78
redracer
Member
redracer May 21, 5:56pm - #182593 
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.
Joined: Apr 2004
Posts: 338
Brian63
Member
Brian63 May 21, 7:19pm - #182594 

Member
2000 Toyota Celica

Joined: Apr 2004
Posts: 338
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.
Joined: Apr 2003
Posts: 1,899
Gen7fan
ThE iRoN mAiDeN
Gen7fan May 21, 7:26pm - #182595 
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.
Joined: Feb 2004
Posts: 1,716
celicafourotwo
Specialist
celicafourotwo May 21, 10:19pm - #182596 

Specialist
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?
Joined: Apr 2004
Posts: 116
mxsuperfly25
Adrenaline
mxsuperfly25 May 22, 6:44pm - #182597 
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
Joined: Jan 2004
Posts: 1,230
FloydianSlip6
Specialist
FloydianSlip6 May 23, 5:06am - #182598 

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.
Joined: Jan 2004
Posts: 1,230
FloydianSlip6
Specialist
FloydianSlip6 May 23, 5:08am - #182599 

Specialist
2002 Toyota Celica

Joined: Jan 2004
Posts: 1,230
Massachusetts
Joined: Feb 2004
Posts: 47
daman1799
Member
daman1799 May 24, 5:13pm - #182600 
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. :-)
Joined: Sep 2003
Posts: 705
SSCarbonGTS
Senior Member
SSCarbonGTS May 24, 6:07pm - #182601 

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
Joined: Aug 2014
Posts: 1
azcelicagt00
New Member
azcelicagt00 Aug 23, 9:09pm - #450209 
New Member

Joined: Aug 2014
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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