[Gmecm] DLC question

[WopOnTour]

FYI
one end of the green E&C wire goes to either a "blunt cut" dead ended wire 
if w/o Onstar or remote CD player or TO those items (if equipped)
WOT
----- Original Message ----- 
From: "WopOnTour" <wopontour at hotmail.com>
To: <gmecm at diy-efi.org>
Sent: Tuesday, August 07, 2007 5:05 PM
Subject: Re: [Gmecm] DLC question


> Cool
> It IS E&C!
> The audio schematics show it from pin 14 of the DLC to C2 pin 15 (E&C) of 
> the radio, even though the DLC schematic shows it as being unpopulated.
> Good Luck on the E&C interface!
> WOT
> ----- Original Message ----- 
> From: "Steve Ravet" <Steve.Ravet at arm.com>
> To: <gmecm at diy-efi.org>
> Sent: Tuesday, August 07, 2007 2:14 PM
> Subject: RE: [Gmecm] DLC question
>
>
> I'd like it to be E&C, after I get my USB/VPW project done I'd like to
> do an E&C project.  I'll put a scope on and see what it does.
>
> --steve
>
>> -----Original Message-----
>> From: gmecm-bounces at diy-efi.org
>> [mailto:gmecm-bounces at diy-efi.org] On Behalf Of Scott Pearson
>> Sent: Tuesday, August 07, 2007 8:58 AM
>> To: gmecm at diy-efi.org
>> Subject: Re: [Gmecm] DLC question
>>
>> Green was traditionally E&C data. Might check and see if it
>> connects to the radio.
>>
>> Scott
>>
>> ----- Original Message -----
>> From: "WopOnTour" <wopontour at hotmail.com>
>> To: <gmecm at diy-efi.org>
>> Sent: Monday, August 06, 2007 10:01 PM
>> Subject: Re: [Gmecm] DLC question
>>
>>
>> > Steve:
>> > According to the wiring 2001 thru 2003 DLC wiring
>> schematic, there should
>> > only be 4 wires to your DLC.(as you  indicated)
>> > The green wire you have in pin 14 has likely been something
>> added by some
>> > after market accessory or gage. While it's true pin 14 is
>> designated for
>> > CAN, there was not CAN (GMLAN) implemented (at the DLC at
>> least) into any
>> > GM truck in 2002. If there WAS (eg. as for the Parallel
>> Hybrid Truck -PHT
>> > a couple years later in 2004)  it would be DUAL WIRE CAN
>> (aka High Speed
>> > GMLAN) and therefore would also require there be a wire in
>> pin 6 (HS GMLAN
>> > +). These wires are usually tan (pin 14 GMLAN HS-) and
>> tan/wht  (pin 6
>> > GMLAN HS+)  What do you measure on that wire with a DVOM or DSO??
>> > Regards
>> > WOT
>> >
>> > ----- Original Message ----- 
>> > From: "Steve Ravet" <Steve.Ravet at arm.com>
>> > To: <gmecm at diy-efi.org>
>> > Sent: Saturday, August 04, 2007 9:37 PM
>> > Subject: [Gmecm] DLC question
>> >
>> >
>> > The schematics for my truck ('02 K1500) show 4 wires to the DLC:
>> >
>> > pin 2:  class2 data
>> > pin 4:  gnd
>> > pin 5:  gnd
>> > pin 16: Vbatt
>> >
>> > But my actual connector has a fifth wire, green, on pin 14.
>>  The OBD2
>> > spec seems to say this is a CAN line, but if CAN were
>> implemented there
>> > would have to be a wire in pin 6 also, and there's not.
>> Any idea what
>> > this wire might be?
>> >
>> > thanks,
>> > --steve
>> >
>> > -------------------
>> > Steve Ravet
>> > ARM
>> > steve.ravet at arm.com
>> >
>> > -- 
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