Where can I get the plug for the stereo Options

[madmods]

Where can I get the plug for the stereo? I wonder if I would have more of an advantage going around it. Lay power wire and thicker speaker wire myself. Anyways, do they make a plug?

[mportobello]

If you have the 8 speaker system, you have a few options

1) Use the existing amps. Metra makes a wiring harness that plugs into the amp. Part number is 70-8112. This lets you use all 8 speakers without buying a new amp and it is easy to install. Just replace the headunit. The amps expect line-level audio, so you may need to get a converter (do they make speaker-to-linelevel converters?). As a test, I have successfully used this Metra connector and gotten a Discman hooked up to the existing 8 speakers. Sounded great. Search the board for Metra for more info on using this harness. You will likely have to purchase it from a car audio retailer.

2) Bypass the existing amp but use the existing wiring. There is a blue connector under the stock amp. This connector goes to existing speakers. Search the board for Install Doctor, they have PDF tutorial with pictures. I believe you use the generic 89-99 Toyota wiring harness that you can buy at WalMart. I have read this won't drive all 8 speakers. Which is probably true, since it is unlikely the speakers are all 8 ohm. Anyone know more?

3) Bypass the existing amp and wiring. Run you own wire to the speakers. The difficulty is since there are 8 speakers, I believe they are all 4 ohm (anyone know for sure?) so you need a 8 channel amp. Or you need a 4 channel amp that is 2 ohm stable and wire pairs of speakers in parallel.

Anyone have more information on the factory amp and wiring? What is the ohm rating on the stock speakers?