Everything runs through the PDC - even the PCM. All it takes is a
ground/short and that fried the PCM.
- Bernd
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Bob Nichols
Sent: Saturday, February 26, 2005 7:59 PM
To: dakota-truck@dakota-truck.net
Subject: DML: RE: Won't Start NEED HELP / Bernd
And....since I may have to get a new PCM....is there a HP one I can get?
Why the hell would a short like that blow it?
ARRRGGGG
Bob
Bernd D. Ratsch wrote:
>Yes, the PCM controls the fuel pump circuit. Ignition ON, ASD relay
>energized, fuel pump turns on. ASD relay may be toasted but would
>check ALL fuses to verify that nothing else is toasted.
>
>- Bernd
>
>-----Original Message-----
>From: owner-dakota-truck@bent.twistedbits.net
>[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Bob
>Nichols
>Sent: Saturday, February 26, 2005 4:37 PM
>To: dakota-truck@dakota-truck.net
>Subject: DML: Won't Start NEED HELP
>
>
>Hey Guys,
>
>I could use some help....while polishing up my engine I hit the lug on
>the back of the alternator with a screw driver and grounded / arced it
>out. I did this once before and blew out and had to replace the
>computer...however the truck was running at that time and stalled...and
>the computer was smoking....so it was evident that it was the cause.
>
>This time (yes I learn slowly) the truck was off and the computer not
>smoking.... I just replaced my valve covers....and blasted the front of
>my motor.....
>
>I just checked my fuel rail and I have no fuel pressure...when turning
>the key to on the fuel pump isn't pressurizing the rail.....does the
>computer tell the pump to come on? I already checked the fuel pump relay
and fuse .
>
>When I dump some gas in the TB it wants to start....
>
>Whatda think?
>
>Thanks
>Bob
>http://obsessivecompulsivedakota.com
>
>
>
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