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Chevrolet Impala Accessories & Modifications

779 messages,  Last post on Dec 16, 2009 at 10:56 PM

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#12 of 779 Don re Trunk wires by duraflex Mar 04, 2001 (7:53 am)
There is a multi-pin connector with about 7 wires hanging high in the trunk just behind and above the right rear wheel well, in back of the trunk liner.   As I wrote in post # 10, my best GUESS is that it's for a CD changer.
#13 of 779 CD Connector? Duraflex by platour Mar 06, 2001 (5:03 pm)
Is the black connector in the middle what you are referring to? If yes, I do not know what it is for but thought that a pic (unfocussed) would at least locate it.
#14 of 779 platour by duraflex Mar 07, 2001 (7:01 am)
Yes- that wide thin black connector is what I'm referring to. Does yours also have 7 wires going into it? What's your best guess?
#15 of 779 Duraflex by platour Mar 07, 2001 (4:52 pm)
Yes, seven wires. I do not know what it is but someone must have a shop manual and can tell us from a wiring diagram. It seems somewhat distant from the amp but perhaps the CD player is located at that right-side area. Hopefully, someone with a CD trunk unit can post a pic for us.
#16 of 779 CD player harness by mediumfry Mar 09, 2001 (7:35 pm)
I have the helm manual and looked up the connector you show in your picture, duraflex. You are right, it is the right one. It's a 10-pin connector with 7 slots populated. Looking at the end of the plug with the six slots on the left you have:   (Far left) pin 10 Gray wire Audio Class 2 Serial Data. (moving right) pin 9 and 8 unused. Pin 7 black wire ground. Pin 6 not used. Pin 5 orange Battery positive. (break) Pin 4 bare drain wire. Pin 3 Lt Blue Remote playback device audio common signal. Pin 2 lt green remote playback device right audio signal. Pin 1 orange/black remote playback device left audio signal.   Hope that helps.
#17 of 779 Incorrect credits by mediumfry Mar 09, 2001 (7:43 pm)
Sorry Platour. I wrongly gave Duraflex credit for the photo. First one I didn't proofread and I botched it. I did find the connector in my car too, and it is the one I just described in post 16. Thank you for posting the photo - that helps a ton.   Duraflex are you a gasket guy?
#18 of 779 medium fry by duraflex Mar 10, 2001 (7:20 am)
I'm the poster who first speculated that the CD harness was already in there (posts7-10-12). Thanks for posting the wiring info.   FYI: You can revise (EDIT) anything you write here within 30 minutes of posting it.          Number 17 was in that window of opportunity.   What is a "helm manual"?
#19 of 779 Hurray! by night_owl1 Mar 10, 2001 (9:15 am)
Thanks Dura and Mediumfry! That solves the question about one of the connectors. Now to see how much the dealer wants to install a CD changer into my car. =) I have a few leads on online suppliers of the unit, but I wanna see what it will cost to have the dealer do it. If it's pretty close, might be worth it to have them do it. Still wonder what the other one is for. Mediumfry, can you look it up? http://home.hawaii.rr.com/impala/Mystery_connector.html
#20 of 779 Multiple replies by mediumfry Mar 10, 2001 (11:20 am)
I had forgotten I had 30 minutes. I'll remember that one. I try not to look like a dork in public whenever possible...   The Helm Manual is the "GM Shop Manual" that the dealers use. I'm a firm believer in getting that book (the one for the Impala is actually three volumes and covers the Monte Carlo too, over 2000 pages). It's better than Haynes or Chilton, for instance, because it's for one model and one year only. It has specific info like pin-outs and placements of all plugs, wire colors, harness locations, component replacement instructions, component rebuild instructions, trouble code definitions and diagnostic flow charts, everything imagineable. It also costs a hair more ($120 for the latest one) but over the life of the car it pays itself off over and over again. Plus, I got the dealer to buy it for me when I bought the car...bonus! Anyway, Helm inc is (I believe) the publisher that prints manuals for all manufacturers. They definitely handled the book for my Plymouth mini-van and I haven't tried to buy a Ford book.   Night Owl, I'll look in my manual and see if I can figure out what the connector "B" does. Hopefully I can post that information this evening (I'm in the eastern time zone).
#21 of 779 Connector "B": Night Owl by mediumfry Mar 10, 2001 (12:02 pm)
I found connector B in the helm manual. I also found it in my car. I was puzzled that there would be an un-used connector because my car has every option available except a sunroof. Sunroof?   Sure enough, the connector "B" in your trunk near the front of the passenger side wheelhouse under the package shelf is your sunroof power connections, for which I would guess you don't have a sunroof. Specifically:   The four connectors on top of your diagram are labeled A thru D left to right. E thru H are across the bottom left to right.   A is yellow and is accessory voltage. B is Black and is Ground. C is Black (may have appeared brown) and is Sunroof Switch open signal. D is Dark Blue and is Sunroof Switch Low Reference. E is Orange and is Sunroof Switch Open Signal. F-H are not used.   I think we nailed it.

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