Wiring Issues
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Freshman User
Joined: Aug 2016
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From: South Carolina
Wiring Issues
Hey all, I've got a 1993 F250 with the 5.8L 351W. I'm looking for a pinout diagram of the 42 pin bulkhead that connects the fuel injector wiring harness to the main engine wiring harness - the male and female ends.
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Freshman User
Joined: Aug 2016
Posts: 39
Likes: 1
From: South Carolina
I'm not sure if it's an exact fit. I'm looking at mine and it looks like I've got a few more unused pin locations than the diagram you've provided. However, yours is labeled "C101F/M." What does the C101 represent? I may be able to cross-reference this back to what my vehicle uses.
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Freshman User
Joined: Aug 2016
Posts: 39
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From: South Carolina
This is great. Thank you. Is the C101 pretty standard in the 93 f-series trucks or is there something I can reference on my truck that would tell me what connector I should be referencing?
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Freshman User
Joined: Aug 2016
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From: South Carolina
I took this information and went back to my connector. I found 2 missing wires and 2 wires that were miss matched between the male and female ends.
I'm missing the yellow/green wire receptacle and the yellow/red wire receptacle. Any ideas where these are supposed to come from?
I'm missing the yellow/green wire receptacle and the yellow/red wire receptacle. Any ideas where these are supposed to come from?
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Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
The 1993 5.8L engine does not use the yellow/green wire (PS pressure sw) and it does not use the yellow/red wire (knock sensor). They are used on the 5.0L engine only. The pinout was listed in the manual to cover both the 5.0L & 5.8L engines.
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Freshman User
Joined: Aug 2016
Posts: 39
Likes: 1
From: South Carolina
That's reassuring! So it looks like I just need to move some wires around (theoretically) and I'll be doing burnouts in no time. Thanks for all your help and I'll be sure to keep you posted on how the rewiring turns out.
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Freshman User
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From: South Carolina
So the 2 codes fro TPS and EGR below voltage minimum went away. But I got a new one (code 334) for the EGR being above maximum voltage.... 2 steps forward, one step back. Any ideas?
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