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Re-Pining Harness For MAF, C185 to C101

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  #1  
Old 01-26-2018, 09:36 AM
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Re-Pining Harness (94 5.8 & E4OD) For MAF

I have a fairly complete 94,5.0, trans "E", mass air underhood harness except for what goes across the firewall. (cut in the middle)

The basic idea is to use the 5.0 harness, C101 from fender liner out to top of engine, (injectors,ignition & sensors, etc) after cleaning it up.

Possibly deleting or leaving & coiling up knock sensor & PS pressure switch connectors/wires

Re-pin my existing 5.8 SD connector C185 @ PCM as needed to match the 94 MAF computer.

Add the MAF meter & filter box air temp sensor to a place most expedient. (Home run to 185 or go through 101?)

Problem is I'm dealing with Chilton's better than nothing wiring diagrams.

Could someone tell me if 101 to 185 is universal in the wiring & color codes across applications?

I found a '95 C101 illustration, M/F showing that they are, across the board 4.9, 5.0, 5.8 & 7.5
 

Last edited by Scndsin; 04-26-2018 at 09:36 AM. Reason: Update information
  #2  
Old 01-26-2018, 10:48 AM
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Not quite Ford EVTM quality, but try this link for wiring diagrams.

BBB Industries- Premium Alternators, Starters, Power Steering Products | TSB's & Wiring Diagrams
 
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Old 01-26-2018, 11:37 AM
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C101 has the same wiring across all of the gas engines according to my Ford EVTM manual.

C185 (PCM Connector) has differences based on whether the vehicle is using Speed Density or MAF as well as the various transmissions. This link from the old Ford Fuel Injection site is a great reference: Ford Fuel Injection
 
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Old 01-26-2018, 06:33 PM
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Originally Posted by rla2005
C101 has the same wiring across all of the gas engines according to my Ford EVTM manual.
That's what my 95 EVTM illustration shows, thanks for the verification.

Originally Posted by rla2005
...This link from the old Ford Fuel Injection site is a great reference:
Yes, I've got that & have been cross-referencing it.

Pretty much everything needed, but the trans wiring functions aren't listed.

Problem is, it does not tell me what wiring is 4R0W required vs E4OD.

Have a look at the "to transmission controls" portion on these 2 diagrams (top)



 
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Old 01-26-2018, 06:35 PM
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Also quick question, where does the white/black off the maf meter terminate? It went left across the fire wall & was cut.
 
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Old 01-31-2018, 06:32 PM
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Managed to get the truck in the shop & pop the covers on C185 & C101.

Common wires from 5.0 to 5.8 are all there. The mass air injector wires aren't.

Was hoping they would be & all I'd have to add would be the MAF wires at 101.

Found out my black white runs back to a splice & back to pins 40 60 then to fender ground.

Managed find enough to see what needs to be re-pinned for the E4 since FFI's pin chart doesn't call out trans connections.

Not sure what to do with #30

5.0 on left, 5.8 on right.

 
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Old 01-31-2018, 07:39 PM
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Originally Posted by Scndsin
Common wires from 5.0 to 5.8 are all there. The mass air injector wires aren't.
No.. that is why the MAF conversion kits include a harness that plugs in right at the PCM.

Originally Posted by Scndsin
Not sure what to do with #30
Isn't that for a non computer controlled trans and not used with the E4OD.
 
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Old 01-31-2018, 08:35 PM
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Well, there's a couple of errors in the above 2 wiring diagrams admittedly, but look at #30 just below distributor image.

Below is image I'm working (also) from a 95 F series service disc that won't run on my main PC & this is the best image I've got.

Shows #30 as coming from MLPS:

 
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Old 02-01-2018, 08:45 AM
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According to my EVTM documentation Pin 30 is used with the E4OD and 4R70W transmissions. As the note states for what the signal does, it is a very important and needs to be connected for proper transmission operation.
 
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Old 02-01-2018, 09:58 AM
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Could some body (if able) help a sister/brother out & post a fresh, larger, higher rez image of this?

Actual 94 would be great, but I'll take 95

It's the best one I can find & I can't see **** worth a damn to work consistently.

Printing out doesn't help, washes out terribly.

C101 would help too if possible.

Thanks.

 
  #11  
Old 02-01-2018, 02:23 PM
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Originally Posted by Scndsin
Could some body (if able) help a sister/brother out & post a fresh, larger, higher rez image of this?

Actual 94 would be great, but I'll take 95


C101 would help too if possible.

Try these. All for a 1994
 
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Old 02-01-2018, 03:01 PM
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Thank so much.

It will fill many holes & save my eyes.
 
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Old 02-01-2018, 04:32 PM
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Much the same thing from the 96 manual and it covers both the EECIV and EECV PCM's. Pin 30 with EECIV is used for ckt 199 which is the PCM side of the transmission range selector switch. Color is LB/Y.

File for the E4OD

E4OD.pdf

And file for the 4R70W

4R70W.pdf
 
  #14  
Old 02-02-2018, 09:15 AM
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This is what I needed most & the resolution on the antique laptop I run my disc just wouldn't let me see:

Thanks Randy.
 
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Old 02-02-2018, 09:17 AM
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Anytime David!
 


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