5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

91 5.0 swap

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Old 10-19-2013, 05:33 PM
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capko
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Default 91 5.0 swap

hey guys I have a 91 lx getting a 5.0 rear end, suspension, brakes, engine is in, the donor car was an 86gt, didnt get the main harness off it, so im stuck trying to find the coil plug on a 91 2.3, i cant locate it to cut wires and run it over to driver side. any issues with this or do i need to buy a diff harness.
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Old 10-19-2013, 07:41 PM
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mongolchuck
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You need a harness. The 2.3 is distributorless and uses two coil packs that are in no way similar to a 5.0 coil.
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Old 10-19-2013, 07:48 PM
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capko
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ok thanks, didnt know if i could cut wires and tie in the plug connector.
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Old 10-19-2013, 07:50 PM
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dawson1112
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Originally Posted by capko
hey guys I have a 91 lx getting a 5.0 rear end, suspension, brakes, engine is in, the donor car was an 86gt, didnt get the main harness off it, so im stuck trying to find the coil plug on a 91 2.3, i cant locate it to cut wires and run it over to driver side. any issues with this or do i need to buy a diff harness.


are you going carb or efi?
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Old 10-19-2013, 08:08 PM
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capko
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Default 5.0

EFI, its alreay in there its out of 86gt i was told car has 70% of wiring done, just going through to see where it was left off. and was scratching head till I found out 2.3 had DIS.
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Old 10-19-2013, 08:13 PM
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dawson1112
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Originally Posted by capko
EFI, its alreay in there its out of 86gt i was told car has 70% of wiring done, just going through to see where it was left off. and was scratching head till I found out 2.3 had DIS.
Ill tell ya man I would rather finish someones engine rebuild than finish half done wiring lol .
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Old 10-19-2013, 08:17 PM
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capko
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im feeling the same way.
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Old 10-20-2013, 03:25 PM
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im calling it, just going to carb screw this efi wiring.
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Old 10-20-2013, 05:50 PM
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dawson1112
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If I was you I would probly spend the money and get a painless efi harness.

Its a bit pricey but IMO well worth the money.

http://www.ebay.com/itm/PAINLESS-WIRING-60510-86-95-FORD-5-0L-MUSTANG-EFI-WIRING-HARNESS-/320789202945?pt=Motors_Car_Truck_Parts_Accessories&hash=item4ab086c801&vxp=mtr
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