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Work trucks dead.... Help!

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Old Mar 8, 2009 | 01:04 PM
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Work trucks dead.... Help!

So the other day I was driving the work truck, 97 f350, and it just crapped out in the middle of the road. It turned over but had no tach movement, I figured it was a cps. Swaped that out by no beans, which leaves me to think that it's something computer related, but then again there was no CEL but I don't I know if the PCM would set one if it died. My question is can I swap my PCM and idm out of my truck into the work truck to narrow down the search or not. Oh ya the work truck is a ZF and mine is an E4OD, I don't need it to drive just start.

Sorry for the long post

Thank you.
 
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Old Mar 8, 2009 | 01:33 PM
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does the wait to start light turn on? If not your fuel heater could have shorted out, which blows the fuse, that fuse also happens to power the pcm.
 
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Old Mar 8, 2009 | 02:07 PM
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fuse # 22 under the hood, check it.......
 
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Old Mar 8, 2009 | 03:42 PM
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I didn't even think of that. I will have to check that tomorrow when I get back to work. Now would that just kill the truck while driving?
 
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Old Mar 8, 2009 | 08:00 PM
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yep, dead.
 
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Old Mar 8, 2009 | 08:03 PM
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just incase that isntthe problem will I be able to swap the idm and the pcm frm my truck to the work truck?
 
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Old Mar 8, 2009 | 08:12 PM
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Originally Posted by foxracing0934
just incase that isntthe problem will I be able to swap the idm and the pcm frm my truck to the work truck?
yes you can do that. But there is plenty of other things to check before you get to that. Does the WTS light come on? smoke out the tailpipe? Oil level correct?
 
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Old Mar 8, 2009 | 08:18 PM
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I didn't notice any smoke and I checked the oil about a week ago and it was at the proper level, granted that's a long time if it just sprung a leak. I did not look for the WTS light so I am not sure about that one. I will have to look tomorrow when I get to work.
 
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Old Mar 8, 2009 | 08:27 PM
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I just found out a few more details. The WTS light does come on and shut off and I was told that they checked all the fuses, inside the truck and in the engine compartment. And they tried scanning it with a snap-on moudis scanner and they were getting no return signal.
 
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Old Mar 14, 2009 | 09:01 PM
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Did you find out what was wrong? I'm having a similar issue.
 
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Old Mar 15, 2009 | 10:12 PM
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Originally Posted by 84-250
does the wait to start light turn on? If not your fuel heater could have shorted out, which blows the fuse, that fuse also happens to power the pcm.
I went electric, the wire for the fuel heater is just laying there. Are you saying that if it shorts out to ground that I'm stranded?
 
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Old Mar 15, 2009 | 11:21 PM
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Hey, sorry. ya it was the fuse in the engine compartment, stupid new mechanic at the who said he checked it but clearly he hadn't. As soon as I saw that I unplugged the heater and replaced the fuse an it fired right up.
 
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Old Mar 16, 2009 | 06:26 AM
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Originally Posted by oldbird1965
I went electric, the wire for the fuel heater is just laying there. Are you saying that if it shorts out to ground that I'm stranded?
Yes if it shorts and you don't have a fuse to replace the one that blew you are stuck on the side of the road.
 
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Old Mar 16, 2009 | 08:39 AM
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Originally Posted by tjbeggs
Yes if it shorts and you don't have a fuse to replace the one that blew you are stuck on the side of the road.
Thanks Tim, I'll have to protect those wires, wrap them up. That hasn't been memtioned that I know of.
 
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