GPCM
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Tuned
Joined: Sep 2011
Posts: 348
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From: Owensboro, KY
GPCM
Do ALL 7.3 Excursions have a Glow Plug Control Module? Someone in another thread said all excursions have a GPCM. I was thinking only California models had them.
Mine (2000) does not, could it have been possible for the previous owner to change it out to a GPR only? If this was possible, I would think everyone would do it since the relay is cheaper than a new module.
Can someone chime in on this?
Mine (2000) does not, could it have been possible for the previous owner to change it out to a GPR only? If this was possible, I would think everyone would do it since the relay is cheaper than a new module.
Can someone chime in on this?
Elder User
Joined: Mar 2008
Posts: 626
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From: Ontario, CA
All 7.3 Excursions had the GPCM. Yes, some people have changed the GPCM to a GPR... I don't know how the PCM reacts to it; what wiring needs to be done; etc.
CSIPSD (Joe) has done this on one of his vehicles already.... he could give you the nuts and bolts of the swap.
CSIPSD (Joe) has done this on one of his vehicles already.... he could give you the nuts and bolts of the swap.
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Do ALL 7.3 Excursions have a Glow Plug Control Module? Someone in another thread said all excursions have a GPCM. I was thinking only California models had them.
Mine (2000) does not, could it have been possible for the previous owner to change it out to a GPR only? If this was possible, I would think everyone would do it since the relay is cheaper than a new module.
Can someone chime in on this?
Mine (2000) does not, could it have been possible for the previous owner to change it out to a GPR only? If this was possible, I would think everyone would do it since the relay is cheaper than a new module.
Can someone chime in on this?
chiming and reiterating, ALL 7.3L PSD Excursions came with Glow Plug Control Modules! 
And again I'll state, there are NO California model 7.3L PSD Excursions. ALL 7.3L PSD Excursions are the same, UNLIKE the F250/F350 7.3L PSD trucks.
Those trucks had California prepped models that included a GPCM instead of a GPR.
Stewart
Last edited by Stewart_H; Nov 1, 2012 at 11:51 PM.
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Joined: May 2004
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From: Central Coast of CA
Stewart
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Tuned
Joined: Sep 2011
Posts: 348
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From: Owensboro, KY
I was just following up on this Stew. I did several searches and evidently it is not a common swap. I guess I now know of only three that exist. Mine and Joe's two. For some reason I find that odd. I never doubted you for a moment, second opinions never hurt either.
To top it off, I even have a GPR with a shunt, that is fairly odd as well.
I have said it before and will say it again, I'm totally new to this diesel thing. I'm just trying to edumacate myself as much as possible. I guess i'll have to buy into the fact I have a rare EX that has had the GPCM swapped.
Now, my next question is which PCM should a 2000 Ex have from the factory? How do I determine what PCM I have now? It is my understanding that the PCM has to be swapped when the GPCM is swapped.
To top it off, I even have a GPR with a shunt, that is fairly odd as well.
I have said it before and will say it again, I'm totally new to this diesel thing. I'm just trying to edumacate myself as much as possible. I guess i'll have to buy into the fact I have a rare EX that has had the GPCM swapped.
Now, my next question is which PCM should a 2000 Ex have from the factory? How do I determine what PCM I have now? It is my understanding that the PCM has to be swapped when the GPCM is swapped.
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
I completely agree, especially because you're new to the diesel thing.
I have a bluntness to my communications and I tried to add a bunch of smilies to not come across so...rough.
Stewart
I have a bluntness to my communications and I tried to add a bunch of smilies to not come across so...rough.
Stewart
Elder User
Joined: Mar 2008
Posts: 626
Likes: 0
From: Ontario, CA
How's that working for you?!
Just messin' with you; I'd rep you, but you know how that goes...
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Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Eh, I still **** people off.
Just yesterday I could tell my wife was getting really ticked with my....um...straight-forward way of communicating with her.
Oops!
Eh, it is what it is!
Stewart
Just yesterday I could tell my wife was getting really ticked with my....um...straight-forward way of communicating with her.
Oops!
Eh, it is what it is!
Stewart
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