old school orion 420 gt
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=111477
Printed Date: October 31, 2025 at 6:29 AM
Topic: old school orion 420 gt
Posted By: summerspop
Subject: old school orion 420 gt
Date Posted: February 10, 2009 at 4:23 PM
I was cleaning out my garage last weekend and happened across my old Orion 420 GT. I loved this amp but it seems the install manual that had the crossover settings listed is no where to be found. Anyone have an idea of where I could find that along with the a wiring diagram. I would love to see if it still works.
Replies:
Posted By: i am an idiot
Date Posted: February 10, 2009 at 7:34 PM
What are the colors of the wires? These I remember, Blue = Remote turn on. Orange = Left Rear positive. BLACK/ Orange = left Rear negative. Yellow = Right Rear positive BLACK / YELLOW = Right Rear Negative.
Posted By: summerspop
Date Posted: February 10, 2009 at 7:57 PM
I have:
Orange
BLACK/ Orange
Yellow
BLACK / YELLOW
Green
BLACK/ Green
Black with White Stripe
White with Gray Stripe
Blue
Posted By: i am an idiot
Date Posted: February 10, 2009 at 8:21 PM
It has to be a solid white and a WHITE/ black for Front Left. the Green and GREEN/ Black is front right
Posted By: summerspop
Date Posted: February 10, 2009 at 8:25 PM
Thanks for the help. Any idea where I might get some info on adjusting the internal crossover switches?
Posted By: i am an idiot
Date Posted: February 10, 2009 at 8:42 PM
How old is that amp? The only ones I remember with switches were the later ones with the removeable cover in the middle of the top of the heat sink. if it is the same as those, I can find out for you. I think it is much older than those amps.
Posted By: summerspop
Date Posted: February 11, 2009 at 6:25 AM
Its pretty old. Early to mid 90's. It's not a big deal, like I said, I came accross it while cleaning out my garage and just remember what a good sounding amp it was and was curious about seeing if it still worked.
Posted By: i am an idiot
Date Posted: February 11, 2009 at 6:40 AM
That is newer than I thought it was. Are the switches under a removeable panel on the top of the amp?
Posted By: summerspop
Date Posted: February 11, 2009 at 8:31 AM
On the bottom.
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