Sorry, my msg musta run togeather I didn't mean the PCM tested fine, the WIREING for that 5v line from the MAP TPS CRANK and CAM tested ok with disconected from everything, ie: no shorts to ground in the harness on that line...
all i have is the haynes manual, the limited diagrams they have show only 4 sensors on that line.
thanks!
---- OriginalMessage ----
>From: "Michael Maskalans" <dml@tepidcola.com>
>To: dakota-truck@dakota-truck.net
>Sent: Mon, Jun 13, 2011, 06:25 PM
>Subject: Re: DML: 2000 4.7 pcm issues
>
>
>
>On Jun 13, 2011, at 9:14 PM, Tony wrote:
>
>> and PCM tests fine...
>
>What sort of testing?
>
>With no short to ground on that 5v system something sounds wrong there
>- but 'no bus' would be something wrong with CAN not with the 5v
>sensor supply reference. I'm not sure what order things go in check-
>wise but I'd be surprised if a bus error prevents the 5v reference
>from being output. Are there any other computers on that 5v line that
>could be shorting, or just sensors? I don't have a 4.7 wiring diagram
>anywhere, my stuff is all just too old.
>
>Mike
>
>
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