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1989 7mgte swapped mk3
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Discussion Starter · #1 ·
I have a 90 and I was toolin around today and decided to try and find out what the black box under the passanger seat was. Took it out and unplugged all the stuff and still couldn't find out what it was or what it did. Haven't really dug into it that deep just lookin for a quick answer...
 

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Dr. Jeff Lange
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9,353 Posts
Only thing that came stock under the passenger seat was the amp, could be an aftermarket alarm setup.

SupraOfDoom, we talked on AIM, I'm not sure what is up with that yet, could have been aftermarket as well since it was in an 87, or someone swapped the wiring in, you never know if they put the stock stereo back in before selling it to you.
 

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Dr. Jeff Lange
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9,353 Posts
Likely you don't have a stereo that uses the amp.

The connectors on it are for the stereo, There are 10 pin, 6 pin, and 15 pin connectors on it, and they are the connectors for the amp. It's likely that the head unit has an internal amp, and someone accidentally plugged the wiring into the head instead of the amp extension wire. (Some Toyota heads have the 10 and 6 pin connectors as well, and if you're using an external amp you're supposed to plug the 10 and 6 into the amp and the 15 into the head, if the 10 and 6 are plugged into the head and the amp is unplugged it won't make a difference, I'm guessing that car has a Toyota head which has the 10, 6, and 15 pin connectors, and someone plugged it in wrong.)

That's a Toyota external amp.
 

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Ya its an amp and if you change the stock stero it bypasses it I guess the same thing happend to me.
 
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