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, Thu, 25 Oct 2001 21:25:25
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The guy you talked to could be right, but it sounds like he is talking about something else.
The DIN plug wiring diagram in Richard Bevan's audio guide describes how to make a cable that plugs into the DIN pre-amp output socket on the back of the Saab head unit. That socket sends a pre-amp signal from the head unit to the left and right channel inputs on the amp (which are female RCA plug connectors). Many amps also have what are "speaker-level" inputs. Where you can connect speaker wires to those terminals as an alternate input source for the audio signal to the amp. Speaker-level inputs, though, do not give you quite as good sound as using the RCA inputs. (For more detail on the two kinds of amp inputs, see the various how-to articles on http://www.crutchfield.com. They are well written and I used them for background information to go with the information in Richard Bevan's audio guide.) Maybe the guy you talked to was talking about speaker level inputs to the amp? Or maybe he was talking about installing an aftermarket head unit in Saabs. Many head units have RCA pre-amp outputs so you can use a standard male-male RCA cable to connect the outputs from the head unit to the inputs of the amp.
Besides connecting the Saab head unit to the amp inputs, you also need to connect the speaker wires from the doors to the amp. As I mentioned before, those wires end in a modular plug behind the center console and that plug is designed to fit into a connector on the Saab amp. You will have to clip off that connector and connect the individual wires to the left and right +/- speaker terminals on the amp. (There used to be a post on this board that listed the colors of the four speaker wires from the doors and which were the positive and negative lines, but I can't find it right now. Although it doesn't really matter as long as you remember which color wire you connected to each speaker connector at the doors. All four of the wires, 1 pair from each door, are different colors.)
There is also a connector behind the center console for the Saab amp power and ground lines, although I don't feel it is heavy enough gauge wire for a 50W amp. Might be, but better safe than sorry. I didn't use it all. I ran a new power line from the battery through the firewall on the passenger side of the car behind the glovebox. I went through an opening where a bundle of wires goes through the firewall near the hood hinge on the passenger side. There is a rubber "boot" there around the wires. Once the glovebox is removed as described in Richard Bevan's audio guide, you can reach up there and feel the back side of the boot and where the wires come in. From the engine compartment side I very carefully cut a small slit through the boot and then ran the wire through there. Once the globebox is removed, you will also see a couple of grounding posts over near the passenger door. One of them is not used and that is where I connected my ground line running from the amp.
Mark
posted by 216.140.17...
, Mon, 22 Oct 2001 12:46:42, Mon, 22 Oct 2001 15:55:21, Thu, 25 Oct 2001 11:43:11, Thu, 25 Oct 2001 21:25:25, Mon, 22 Oct 2001 13:25:27, Mon, 22 Oct 2001 12:49:41
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