[Gmecm] DLC question

[WopOnTour]

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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