All stop! Not really, but the problem I've seen twice in one week was the incorrect gpr was installed and actually burn the PCM gpr function. Also if the PCM ground wire gets shorted it can possibly do the same. I just don't want to see you burn another PCM by mistake!

 

I want to get a brand new computer just not sure where or how much it is. I have a PCM DPC-432 FHP3. Who do I contact for this?

Thanks

 

I'm confused.

Are you the original owner? Under Module Application it has CAL which I believe means it's a PCM for a California truck, but you have a GPR and not a GPCM that would be in a Cali truck. Makes me wonder if this is the original PCM. If not maybe this is what caused your problem. Or the info below is wrong.

<TABLE dir=ltr border=1 cellSpacing=1 borderColor=#000000 cellPadding=12 width=843><TBODY><TR><TD height=0 vAlign=center width="7%">CODE

</TD><TD height=0 vAlign=center width="7%">YEAR

</TD><TD height=0 vAlign=center width="10%">CALIB.

</TD><TD height=0 vAlign=center width="9%">MODEL TYPE

</TD><TD height=0 vAlign=center width="9%">ECM PART Number

</TD><TD height=0 vAlign=center width="27%">APPLICATION

</TD><TD height=0 vAlign=center width="21%">MODULE APPLICATION

</TD><TD height=0 vAlign=center width="9%">TEMPLATE

</TD></TR></TBODY></TABLE>
<TABLE dir=ltr border=1 cellSpacing=1 borderColor=#000000 cellPadding=12 width=843><TBODY><TR><TD height=0 vAlign=bottom width="7%">FHP3

</TD><TD height=0 vAlign=bottom width="7%">2000

</TD><TD height=0 vAlign=bottom width="10%">9DTA-BKC

</TD><TD height=0 vAlign=bottom width="9%">DPC-432

</TD><TD height=0 vAlign=bottom width="9%">XC3F-DF
</TD><TD height=0 vAlign=bottom width="27%">7.3L F-250/350 DIESEL - AUTOMATIC
</TD><TD height=0 vAlign=bottom width="21%">CAL COLD WTR
</TD><TD height=0 vAlign=bottom width="9%">VNAA8K8

</TD></TR></TBODY></TABLE>

From Tousley Ford a site sponsor:

MSRP $738.60 - Online Price $528.10 - Core Charge $100.00

I bought 2 PCMs from used parts dealers through car-parts.com. If you know what PCM Code you want and the ECM part number it's not
to hard to find one. Prices are all over the place but quite a bit of mony can be saved.

At this point, if it were me, I would go with manual GPR control.

Im getting tired and hitting the rack. In the morning I will PM someone who has loads of PCM knowledge.

EDIT: I tried to send the PM only to get a message that ths person chose not to receive PMs.

 

Good morning. I am not original owner and I dont know any of its history. If I go with the manual GPR control will it give the computer fault codes? You know the ones that tell you to service your engine soon.

 

No Codes and no Check Engine Light.

This has been done before but it is typically because the PCM wasn't sending the ground or someone just wanted manual control of the GPR.

I would use a momentary switch (hold to operate) so I would not forget to release the GPR.

There are 4 customer service wires that already run from engine compartment to under dash.

EDIT: Check out this by Ken (woodnthings). Thanks Ken. Customer Pass-Thru Wires There are 4 wires you can use.

 

I have replaced all glow plugs (New motorcraft) and new wires harness inside valve cover and new valve cover gaskets, the small wire coming from the computer is disconnected (because of the short causing my problem) and I have installed a push button to activate the glow plugs when needed. My problem is I keep throwing a code of low voltage in the glowplug circut, this code activates my service engine soon light. It might be because the computer wire is not atttached to the GPR so can I hook up a resistor to fool the computer and make it believe the system is working properly. I was thinking about trying a 470ohm 2 watt resistor connected to the wire from the computer and to (power or ground not sure which one) do you think this could work?

 

In your situation I was wrong about no code.

Not sure you want my advice again.

Wire it to ground through a resistor, or better yet a spare GPR if you have one. This would simulate the way it was wired before you went to manual control and didn't get an SES light. Hope it works. If you use a GPR and it works then you will know the resistor value you need will be the ohms reading of the GPR winding.

 

Do you have a GPR shunt? I didn't think a regular gpr would set any codes. What codes are you getting? Here is a pic of the shunt: Ford Truck Enthusiasts Forums - tdpower's Album: Useful pics - Picture