I have a 66 Malibu that I have just about completed an interior restoration on. The last thing I need to complete is the wiring up of the stereo. This is my first attempt at doing this. Looks like the red fused wire get's attached to the ACC. Fused part of the fuse block, is this correct? If so, can I splice into one of the two wires already plugged in on the ACC. Fused area of the fuse block? Lastly, the ground wire looks like it can be attached to either the firewall or dash. Any help on this would be great!!

Your on the right track but I would be careful about splicing the two wires together. Go to your local parts store and look for a splitter that will plug into that fuse box. It's very cheap and will save you the headache of getting under the dash to do the splicing. If you have any other problems the local car stereo places in my neighborhood love to help people out ('cause they know next time you'll buy at their store). Good luck.

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Modern stereos have this setup:

Red (typical color): "trigger wire" goes to ACC source. The radio will only turn on when this power wire is live. Yes, connect it to the ACC in the fuse box.

Yellow (typical color): "memory" goes directly to a CONSTANT 12 volt battery source. This provides power to the circuitry to keep memory presets AND the main wire that feeds the output circuitry in the radio.
Connect it:
Either "BATT" terminal in the fuse box or if a really high output radio, run a separate wire directly from the battery (+) terminal and splice a fuse in close to the battery.

Ground (black). Goes to a GOOD ground such as firewall or dash frame. Make sure you have clean metal surface. No paint, no rust.

Here's an old installer trick: unplug the antenna lead from the radio and turn the radio on. It should power up. If it doesn't but did when the antenna was connected, that means the radio was getting it's ground thru the antenna's ground. Not good. Make sure the unit has it's own good ground.

Good luck http://www.chevelles.com/forum/wink.gif

Joe


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"Yes, I'm still workin' on those Chevelle radio pages!"