Mating a 1994 Mustang 5.0L to a 1988 2.3L body harness, HELP!

Nick94657

New Member
Jan 26, 2017
10
0
1
So I had a wrecked 1994 that I pulled 99% of all usable parts off of, and a 1988 I had bought a while back. I'm hooking up a 1994 engine harness to the body, but I'm stuck on a few connectors and at this point I'm thinking I'll have to cut/wire/repin parts of the harness. The problem is, I can't seem to find a good wiring diagram on either one without buying some shop manuals. I'm willing to do so if necessary, but I was hoping maybe someone here had some good info.

Another bad thing about this project is I've not touched it for a few years so I've forgotten a lot of what goes where. I have a 1995 sitting beside it that is dead and I'm looking at it to find proper wiring location so most of the motor is hooked up except for the starter to body/ignition switch, the gauges in the dash, and etc.

20190406_112148.jpg 20190406_112456.jpg
This is an engine side (1994) connector. P/N# F2TB-14A459-A. I'm not sure how I'll get this connector working since it has a gasket that is supposed to sandwich up on the inner fender well. I'm thinking I may have to repin/rewire this connector. I can't find the sister connector on the 94 dash wiring I have. It is a 24 pin connector.

20190406_112140.jpg
This is an engine side (1994) connector. I'm unsure what this goes to although it looks like it runs into the dash as well. This is right beside the 24 pin connector.

20190406_112401.jpg
This is an engine side (1994) connector. I know where these go, in the passenger side inner fender well. But I don't have a name for them and I think I didn't pull those parts off the donor. What are these called?

More to come in the next post...
 
Last edited:
  • Sponsors(?)


Nick94657

New Member
Jan 26, 2017
10
0
1
20190406_112327.jpg 20190406_112319.jpg
These are the engine side (1994) connectors. These are the interior connectors on the passenger side. I know what the big connector goes to obviously, but what are the other 3 for?

20190406_112219.jpg 20190406_112225.jpg
These are the body side (1988) connectors. These are all the wires that are going out in the grommet to the engine bay on the driver side. I think the thick yellow ones go up to where a starter solenoid would be, but since this is a 1994 then I'm not quite sure the best route to hook them up to the engine harness. Part of the engine's harness goes to the starter, but again I don't have a wiring diagram and I'm not keen on cutting all the looms open just yet.
 

Dan02gt

10 Year Member
Mar 2, 2003
613
264
103
Greenville, NC
The foxbody harnesses were way different from the SN95. I'm sure what you are trying to do could be done, but I think you would be better off finding the proper fox harnesses and a fox A9L computer. They just made to many changes to make it a simple job.
 

Nick94657

New Member
Jan 26, 2017
10
0
1
The foxbody harnesses were way different from the SN95. I'm sure what you are trying to do could be done, but I think you would be better off finding the proper fox harnesses and a fox A9L computer. They just made to many changes to make it a simple job.
That's what I've been looking into the last week. I'm thinking an 89 harness would work, right?
 

90sickfox

I didn't really have an issue with the stink...
SN Certified Technician
Mar 2, 2015
5,161
4,254
203
42
If you get an 88 or 89 v8 harness it will plug and play to the 88 dash harness. You may want to change the computer also....to a megasquirt or other stand alone....or an a9l or a9m ecu. The reason I say a standalone is to keep you from buying a 30 year old busted computer from someone. These factory computers have started revealing every short coming they have. Leaking capacitors, burned ground traces, and cracking solder points.

Don't really know if a 94- 95 computer will work with an 88 or 89 harness.
 
  • Like
Reactions: Nick94657
Thread starter Similar threads Forum Replies Date
yldouright Mating places :) Other Auto Tech 2
S 1970 mustang - torque converter won’t mate to flywheel Classic Mustang Specific Tech 7
N Lower Intake Manifold Mating Surface Fox 5.0 Mustang Tech 8
stykthyn Damaged Upper Intake Mating Surface Fox 5.0 Mustang Tech 9
99 FLA PONY GT Will a 2001-2004 center console mate to my '99 console? SN95 4.6L Mustang Tech 2
5 Corrosion at the IM/Head mating surface SN95 4.6L Mustang Tech 1
Undisputed How to un-mate my Diablosport predator?! Goin back to SCT Tuner Saturday! 2005 - 2014 S-197 Mustang -General/Talk- 4
J Exhaust Q. How to mate a 3 inch tail pipe to a 2.5 muffler outlet? 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- 10
T Any tricks to align/shim quadrant position to mate with cable SN95 4.6L Mustang Tech 2
nisreo trouble mating 5.0 and aod Fox 5.0 Mustang Tech 5
Yobi1Kanobi Gonna go see a NEW CAR stable mate. 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- 15
S where does this mate up to SN95 4.6L Mustang Tech 2
6 what kind of t56 to mate up to a 302w Classic Mustang Specific Tech 2
GT1966 5.0 mating to T-10 trans Classic Mustang Specific Tech 7
Jon350 I need direction to 302->C4 mating manuals or instructions Classic Mustang Specific Tech 14
E wtf mate 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- 6
F Does this mate Up? Fox 5.0 Mustang Tech 0
0 Squeak from Pside C pillar. WTF mate? SN95 4.6L Mustang Tech 2
G mac lt headers mate up with bbk x pipe?!? SN95 4.6L Mustang Tech 6
mrvax Has Anyone Mated Longtubes to a Catted X Pipe? SN95 4.6L Mustang Tech 8
3 need flexplate: 1978 351W mated to 85 AOD, where? Fox 5.0 Mustang Tech 20
9 Found Oil In My Supercharger Where The Inlet Pipe Mates To The Blower Fox 5.0 Mustang Tech 3
A Looking for a conical PAPER air filter to mate up to a 80mm Pro-M Fox 5.0 Mustang Tech 9
K 1999 V6, mating to a 98 4.6 v8...help? SN95 4.6L Mustang Tech 3
T 1994 Mustang GT Floor Pan Replacement 1996 - 2004 SN95 Mustang -General/Talk- 1
G Code 172 Mustang 1994. Can it be the egr ? 1994 - 1995 Specific Tech 2
Mustang5L5 Install 1994--1998 Cobra Rear disk installation (M-2300-M instructions) Resource Discussion Forum 0
M 1994 - 1998 SN95 Mustang Paint/Color Guide - Production #'s too! 1996 - 2004 SN95 Mustang -General/Talk- 0
B 1994 mustang cooling fan wiring? PLEASE HELP!! 1994 - 1995 Specific Tech 0
D 1994 Mustang Gt erratic idle 1994 - 1995 Specific Tech 1
Z Rebuilding my 1994 GT 'Vert 1994 - 1995 Specific Tech 6
M 1994 Mustang COBRA - speedometer not working 1994 - 1995 Specific Tech 12
Jason Roberts O2 Simulators put on a 1994 GT 5.0 do they hurt the car or are they useful even though the 94 GT only had 2 O2 sensors and they were before the cats 1994 - 1995 Specific Tech 3
G 1994 GT Mustang The Welcome Wagon 1
G 1994 GT Mustang The Welcome Wagon 3
beyondEOD SN95 94-95 Microsquirt Pinouts Digital Self-tuning Forum 8
C Steering Rack and Pinion differences between 1994 and 1998 1996 - 2004 SN95 Mustang -General/Talk- 0
beyondEOD Fuel Pressure Sensor with Megasquirt Digital Self-tuning Forum 15
beyondEOD 94-95 Mustang 5.0 AODE MS3 Gold Box w/ Microsquirt Digital Self-tuning Forum 62
T 1995 Explorer intake on 1994 Mustang GT 1994 - 1995 Specific Tech 4
V 1994 radiator fan fuse question 1994 - 1995 Specific Tech 3
J 1994 fordvmustang 1994 - 1995 Specific Tech 1
GreenStangGT WTB/Trade 1994 - 1998 Cobra Front Bumper Cover Interior Exterior Parts 0
N Please Help I'm Having Trouble with my 1994 Mustang GT 5.0 1994 - 1995 Specific Tech 6
G Engine 1994 doesnt want to accelerate past 3000 1994 - 1995 Specific Tech 3
T 1994 mustang gt misfire 1994 - 1995 Specific Tech 16
T Engine 1994 mustang gt Rough idle, misfire under acceleration 1994 - 1995 Specific Tech 2
D 1994 V6 rough idle after head rebuild 1994 - 1995 Specific Tech 0
9 For Sale 1994 cobra coupe, 150k mi, 5spd, 5.0L, $5k obo, Ewing, NJ SN95 Mustangs For Sale (1994-04) 0
N Electrical 94 Mustang Wiring to fuel pump and cooling fan 1994 - 1995 Specific Tech 0
Similar threads