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Chevrolet Impala Accessories & Modifications

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#61 of 778 CD Changer with UPO by bh0001 Apr 03, 2001 (6:56 pm)
All my research indicates that you "should" be able to just plug 'n play with the factory harness. There is some dissention on this with some of the suppliers I spoke with, but overall consensus is it will work as delivered.   I asked my brother-in-law (parts manager at the dealer) to price the changer for me. He said there is NO STOCK available anywhere in North America and there is no indication when it will become available (he did say that Canada gets the short end of the stick on parts, so maybe a dealer in the U.S. will have better luck). He suggested I try to source it from somewhere else (www.mnrelectronics.com said they have it in stock). Brad
#62 of 778 Changer/UP0 by kenbuzz Apr 03, 2001 (8:34 pm)
Aquaknot2000: I haven't ordered the changer yet. Heck, I've not even got my 2K1 Impala ordered yet! (Waiting for my local dealer to get an LS in so my wide-track rear end can try out the buckets). Also, re: the mounting hardware... if you've got a part # handy, I'd love to see it. It's my understanding that if the changer is dealer installed, it's covered under the car's warranty.   Bh0001: (re: connectors) I hope so. Everything I've read and seen shows the connectors being compatible, but it would sure be nice to have someone else be the acid test, not me.
#64 of 778 kenbuzz by bh0001 Apr 04, 2001 (5:59 am)
The guy at my local Delphi/Delco authorized sales and service centre says he HAS installed the CD changer with a UPO radio using the factory connector and it worked without difficulty. Since they also sell Alpine/Pioneer/Sony/etc, I plan to go there for all the upgrades I want to do (speakers, amp, maybe a sub). That way I can be virtually guaranteed that everything will work. I'm willing to be the "acid test" if you're willing to wait until late May when I actually get my hands on my Impala (the waiting is killing me)! Brad
#65 of 778 AAARRRRGGGGHHHH!!! (cd changer etc.) by bh0001 Apr 04, 2001 (10:09 am)
I visited my local Delphi/Delco authorized place at lunch today to talk cd changers etc. This time I spoke to the manager. Surprise surprise, I got a different story than before (see #63 above). He sang the same song as MNR electronics - the factory harness doesn't work. I shared with him stories from this forum, his reply was "we'll just have to try it once you get your car".   There really doesn't seem to be a simple answer to this issue. It appears to be almost car-dependent, based on the options you get and what phase the moon is in when the car is built.   I also spoke with him about speaker upgrades etc. He said that the factory head unit has a built in circuit that limits the amount of bass you get at higher volumes. Apparently the higher you turn it up, the less bass it produces (as a "self preservation" strategy). Again, I'll have to wait until I have the car to determine what upgrades I "need" and what is possible given the limitations of the factory system.   I'm starting to understand why Brian Smith (www.myloudcar.com) went to the "extremes" he did!
#66 of 778 Re: Arrrgh! by kenbuzz Apr 04, 2001 (1:20 pm)
Y'know, physics is physics. Electrons work the same, whether it's your Impala, mine, or someone else's. If the head units are identical, the harnesses are identical, and the changer units are identical, the only POSSIBLE thing I can think of that would make this installation vary from car to car is the manner in which the connections between these three piece-parts are made.   AFAIK, there are only two primary interfaces to worry about... the head-to-harness interface and the harness-to-changer interface. Assuming that people can put tab A into slot B, I would guess that the installation of the changer and the "plugging it into the connector" part of the process would work 100% of the time, assuming the harness is wired correctly. This leaves the head-to-harness interface as being suspect.   D'ya think it might be something as simple as the harnesses *not* being plugged into the head units when the car is assembled? Is there any way to do a continuity check at the connector in the trunk to see if the head unit is actually hooked up?   (BTW, how d'ya like my new spiff "Antarctica" flag?)
#67 of 778 kenbuzz by bh0001 Apr 04, 2001 (1:34 pm)
Thanks, you're absolutely correct. Physics is physics. I wonder if the head-to-harness end of the equation sometimes gets hidden away during the installation (probably under 100 meters of electrical tape) rather than getting connected. This could easily lead the installers to think they have to jerry rig a new harness.   We know for a fact that the factory harness works (can't remember who has it working). I'll just have to wait to see how my car gets built.   I'll try to shut up about this for a while <g>. Brad
#68 of 778 kenbuzz and bh0001 Cd- changer Plug by aquaknot2000 Apr 04, 2001 (2:56 pm)
Its a simple check to see if the CD plug is connected to the radio (as it should be). Check this--- Pin 5 (orange) should be 12V. Batt               Pin 7 (Black) should be Ground.               Pin 10 (Grey) is Class 2 Data---                                Don't touch!!
#69 of 778 CD Changer: update by kenbuzz Apr 05, 2001 (8:14 am)
After visiting MNR's website, I was uncertain whether the price quote I got from Hutton was for JUST the changer unit, or the changer AND a cartridge AND/OR mounting hardware AND/OR wiring harness, or some combination thereof. I just got an email back from Kim at Hutton:   "The changer does come with the cartridge, it should come with the mounting hardware as well, but I am not completely sure. I can not find a list for the hardware separately, so I have to assume it comes with it."   That's a plus, since the cartridge retails for $60(?). If it also comes with mounting hardware, that's an extra added bonus.
#70 of 778 CD Changer plug by kenbuzz Apr 05, 2001 (8:15 am)
Now all I need is an Impala and a multimeter.

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