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

Firewall sockets

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Old Jan 8, 2023 | 08:39 AM
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Firewall sockets

Can someone tell me what this strayed socket is for?

And this one ?

 
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Old Jan 8, 2023 | 10:35 AM
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Originally Posted by Bullnose010
Can someone tell me what this stray socket is for?
Yes.

Any other questions?
 
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Old Jan 8, 2023 | 11:04 AM
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Originally Posted by kr98664
Yes.

Any other questions?
Yeah, what are those plugs for?

might help if the OP cleaned up the wires and identifies the color code on the wires and then proceed to a wiring diagram to see what they don't go to.

 
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Old Jan 8, 2023 | 04:10 PM
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Originally Posted by kr98664
Yes.

Any other questions?
Karl you kill me

OP if you look in the area of the 2nd picture, that is under the master / booster?, I think you may find a 2nd wire there not going to anything.

In the first picture on the other side of the firewall where do the wires go to? I dont think my truck has that one.
edit: I just checked my pictures and I do not have anything there.
See that screw just under the throttle cable? There should be a 10 ga wire on it to the block like back of head or intake bolt.
This takes the ground from the block and grounds the cab.
Dave ----
 
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Old Jan 8, 2023 | 04:58 PM
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If the wire below is lightgreen with a yellow stripe, that is the plug in for the optional underhood trouble light.

 
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Old Jan 8, 2023 | 05:07 PM
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The other mystery plug looks like the one in figure 4, C332 Duraspark Ignition Systems only.

[img]
 
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Old Jan 8, 2023 | 05:12 PM
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I think C332 is a mistake. I can't find that connector anywhere in the ignition wiring diagrams. It would not be the first time. Ford literature is full of typos.
 
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Old Jan 8, 2023 | 05:14 PM
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He also asked about C332 fig4 just to the left of the throttle cable.
Dave ----
 
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Old Jan 8, 2023 | 08:19 PM
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What year is this truck. Wiring changed over the years for sure.
 
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