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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

What is this for?

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Old Mar 25, 2017 | 11:11 AM
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What is this for?

So I recently bought an 86 F-150 with the 4.9 and while running it after I changed the coil I saw this part spark. Does anyone know what this plug is for? Thanks in advance!

 
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Old Mar 25, 2017 | 12:21 PM
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Can you post a picture from a few feet back. It's hard to tell where that plug is located on the engine harness from the close-up picture you provided.


Looks like the outer part of the plug's jacket is broken (cut) off.


Does it have 12V on one of the terminals with key-On?
 
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Old Mar 25, 2017 | 03:10 PM
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Originally Posted by CountryBumkin
Can you post a picture from a few feet back. It's hard to tell where that plug is located on the engine harness from the close-up picture you provided.

Looks like the outer part of the plug's jacket is broken (cut) off.

Does it have 12V on one of the terminals with key-On?
What he said on the picture.
Also where does the wire go/come from and why the blue connector toad a wire and where does it go/come from?
Dave ----
 
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Old Mar 25, 2017 | 06:07 PM
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I bet that is not a Ford wiring plug.
 
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Old Mar 26, 2017 | 05:09 AM
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Originally Posted by CountryBumkin
Can you post a picture from a few feet back. It's hard to tell where that plug is located on the engine harness from the close-up picture you provided.

Looks like the outer part of the plug's jacket is broken (cut) off.

Does it have 12V on one of the terminals with key-On?
Originally Posted by Franklin2
I bet that is not a Ford wiring plug.
It does look like it could be for the IGN module with the outer part broken off but because it is so close we cant tell what it could be to.
Dave ----
 
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Old Mar 26, 2017 | 07:31 AM
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Originally Posted by FuzzFace2
why the blue connector toad a wire
Toad a wire? Or should that be "frog a wire"?

The blue connector at the bottom right corner is A ScotchLock or suitcase connector. That is definitely aftermarket. I can't tell if the mystery black connector is factory and the ScotchLock was used to connect something else to that circuit. On the other hand, the black connector could also be aftermarket and was tapped into a nearby factory circuit.

More pics would help.

Carefully checking for autocorrect mistakes after giving Dave a hard time for his...
 
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Old Mar 26, 2017 | 08:34 AM
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I will post up some more pics later. I did replace the clutch master cylinder today and even though it was tedious I made my own master cylinder reinforcement plate.
 
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Old Mar 26, 2017 | 09:41 AM
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Originally Posted by kr98664
Toad a wire? Or should that be "frog a wire"?

The blue connector at the bottom right corner is A ScotchLock or suitcase connector. That is definitely aftermarket. I can't tell if the mystery black connector is factory and the ScotchLock was used to connect something else to that circuit. On the other hand, the black connector could also be aftermarket and was tapped into a nearby factory circuit.

More pics would help.

Carefully checking for autocorrect mistakes after giving Dave a hard time for his...
I did not see that when I posted guess I can proof read to well
Dave ----
 
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