What is this plug for?

Brian VT

Full Access Member
Joined
Oct 25, 2021
Posts
974
Reaction score
559
Location
Maine, USA
Any thoughts what this plug would have been used for? It wasn't connected when I got the truck and I don't see anything within reach that it could go to. Wires are a Red/White, Red/Lime Green (or yellow?), and 2 Black.
 

Attachments

  • unnamed.jpg
    unnamed.jpg
    291.6 KB · Views: 7

Nero

HD Diesel nut
Joined
Jan 3, 2022
Posts
2,290
Reaction score
2,313
Location
OR
Any thoughts what this plug would have been used for? It wasn't connected when I got the truck and I don't see anything within reach that it could go to. Wires are a Red/White, Red/Lime Green (or yellow?), and 2 Black.
I believe that is for the wait to start lamp and wif light
 

Brian VT

Full Access Member
Joined
Oct 25, 2021
Posts
974
Reaction score
559
Location
Maine, USA
That makes sense since I have a manual glow button. Thank you.
I assume it's been just sitting there like that since I got the truck so I guess that couldn't have anything to do with my new key start problem?
 

Rdnck84_03

Full Access Member
Joined
Jan 15, 2019
Posts
1,126
Reaction score
1,209
Location
Kansas
I have never done a manual conversion on a bricknose truck so I am not even 100% that you even have the provision for the clutch switch.


On the aero nose it is clipped up to the structure of the dash directly in front of that harness you just took a picture of.

James
 

Nero

HD Diesel nut
Joined
Jan 3, 2022
Posts
2,290
Reaction score
2,313
Location
OR
That makes sense since I have a manual glow button. Thank you.
I assume it's been just sitting there like that since I got the truck so I guess that couldn't have anything to do with my new key start problem?
Nope completely unrelated
 

Brian VT

Full Access Member
Joined
Oct 25, 2021
Posts
974
Reaction score
559
Location
Maine, USA
If this plug has 12v when the key is in Run then I guess it would be a good place to get power to my new start button?
And I guess I should add an inline fuse between the plug and the button?
 

Rdnck84_03

Full Access Member
Joined
Jan 15, 2019
Posts
1,126
Reaction score
1,209
Location
Kansas
I would think that would work as long as there is a wire there with continuous key on power.

My opinion a fuse is always a good idea. You may check to see if the wire you're pulling from may already be fused, if so I wouldn't add another one. Multiple fuses on the same line could create confusion for diagnostics if a problem ever occurred.

James
 
Top