Wiring diagrams
#1
#2
The only place to look at the right diagram for your truck is the place that all of the other diagrams are copied from.
That would be the big fold out diagram from Ford and they do not cost much only $12.00 but are a little hard to read.
For the 1994 F150 for example would be the "1994 Truck Wiring Diagrams for the Bronco, F150-F350, F-Super Duty, F-Super Duty Motorhome Stripped Chassis and F-Super Duty Commercial Stripped Chassis."
Number = FPS-12135-94S
And is from the FORD Techmical Publications Department, Ford Motor Company.
You can get yours at HELM INC. Helm Incorporated: Search Results
Price: $12.00 In Stock
<table border="0" cellpadding="2" cellspacing="0" width="100%"><tbody><tr><td>Pkg Qty:</td> <td width="100%">1</td> </tr> <tr> <td>Media:</td> <td width="100%">Paper</td> </tr> <tr> <td valign="top">Language:</td> <td width="100%">English</td> </tr> <tr> <td>Item/Part #:</td> <td width="100%">FPS1213594S</td> </tr> <tr> <td colspan="2"></td> </tr> <tr> <td colspan="2"></td> </tr> <tr> <td colspan="2"></td> </tr> <tr> <td colspan="2"></td> </tr> <tr> <td colspan="2">Detailed wiring schematics, illustrations and component descriptions developed by the OEM. Information contained in each vehicle specific manual, has been developed to aid technicians in diagnosing and repairing vehicle wiring and electrical systems. Each manual covers the entire vehicle bumper to bumper including connectors, splices, grounds and component location and testing.</td> </tr> <tr> <td colspan="2">Description:
Complete Schematic Illustrations Of The Electrical Wiring System.</td> </tr> <!--MWA--> <!--End MWA--> </tbody></table> <table border="0"><tbody><tr><td>
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Or maybe on ebay.
#4
Example here is C202 from a 1994 F150, look at the stars below and wire color changes at the same pin.
1994 F150 C202F
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#5
#6
The big difference would be the under hood wiring. There would have different wiring from the computer to the transmission unless they had the same transmission. You would also need a different computer to match the engine wiring as the 93 if a 5.0 would have bank FI and the 94 & 95 would have SFI.
I do not have a pin out of the dash plugs for the 1993 so I can not put them up but more than likely it would be the same.
#7
If I was to do this, I would pull computer, wiring harness, underhood power box, MAF sensor, tranny wiring & MLPS, firewall plugs, etc. I guess I would have to compare firewall plug wiring to what I have currently to make sure they are the same, but how would I make sure the wires in firewall plugs would perform same function? Sorry for all the questions, just trying to cover all bases.
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#8
[quote=subford;6556240] I see errors it them and some have the wrong diagram completely and worthless. The only place to look at the right diagram for your truck is the place that all of the other diagrams are copied from.
That would be the big fold out diagram from Ford and they do not cost much only $12.00 but are a little hard to read.
You can get yours at HELM INC. Helm Incorporated: Search Results
Price: $12.00 In Stock
<TABLE cellSpacing=0 cellPadding=2 width="100%" border=0><TBODY><TR><TD>Pkg Qty:</TD><TD width="100%">1</TD></TR><TR><TD>Media:</TD><TD width="100%">Paper</TD></TR><TR><TD vAlign=top>Language:</TD><TD width="100%">English</TD></TR><TR><TD>Item/Part #:</TD><TD width="100%">FPS1213594S</TD></TR><TR><TD colSpan=2>[quote] I have a complete folio of '93 truck diags, and they are not exactly accurate. These things are put together by tech writers, not mechanics, and are published ~ 6 months pre-production.
I couldn't make copies of mine for $12.00 tho - my cost for repros is higher unfortunately.
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That would be the big fold out diagram from Ford and they do not cost much only $12.00 but are a little hard to read.
You can get yours at HELM INC. Helm Incorporated: Search Results
Price: $12.00 In Stock
<TABLE cellSpacing=0 cellPadding=2 width="100%" border=0><TBODY><TR><TD>Pkg Qty:</TD><TD width="100%">1</TD></TR><TR><TD>Media:</TD><TD width="100%">Paper</TD></TR><TR><TD vAlign=top>Language:</TD><TD width="100%">English</TD></TR><TR><TD>Item/Part #:</TD><TD width="100%">FPS1213594S</TD></TR><TR><TD colSpan=2>[quote] I have a complete folio of '93 truck diags, and they are not exactly accurate. These things are put together by tech writers, not mechanics, and are published ~ 6 months pre-production.
I couldn't make copies of mine for $12.00 tho - my cost for repros is higher unfortunately.
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</TD></TR><!--MWA--><!--End MWA--></TBODY></TABLE><TABLE border=0><TBODY><TR><TD>
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#9
If I was to do this, I would pull computer, wiring harness, underhood power box, MAF sensor, tranny wiring & MLPS, firewall plugs, etc. I guess I would have to compare firewall plug wiring to what I have currently to make sure they are the same, but how would I make sure the wires in firewall plugs would perform same function? Sorry for all the questions, just trying to cover all bases.
Come to think of it I think there is only one plug you need to worry about anyway, the other one goes to the under the truck stuff plus tail lights fuel pumps and trailer wiring.
The only problem here is you may have the E4OD and wiring is for a 4r70W. I think it goes into the big plug and jumps inside the cab over to the smaller plug and then goes to the transmission.
I will have to check on that, do have the 1993 E&V TS manual from Ford but I have seen errors in the E&V TS manuals.
#10
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chrismartinez0
1987 - 1996 F150 & Larger F-Series Trucks
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06-27-2010 07:38 PM