Headlight switch?

67coupe351w · Feb 11, 2004

Hey guys I have been working on installing a Painless harness in my 67. About all thats left is the wiring of the headlight switch. My manuals and the Painless installation manual isnt much use here.

Painless tells me to trace the wires in my old harness. Id love to do that if I had it. I drew a picture and the colors of the wires in the original pigtail.

Can anyone fill me in on what gos where?

I appreciate any input.

Lswhat · Feb 11, 2004

i think the back 3 are for the head lights but is been a while since i had to check mine from running the darn halogens and frying the light switch.

67coupe351w · Feb 11, 2004

Im pretty sure the farthest forward on the left..the blue with red stripe is the guage lighting.

Anyone else got input for the others?

67coupestang · Feb 11, 2004

if my wiring diagram wasnt 40 miles away i'd shoot ya straight... but if you still need help i may be up there on monday and can grab it out of the car...

kidtaurus · Feb 12, 2004

67coupe351w I am doing the same project and I have hit the same brick wall. I hope some can post the answer b/c I need the same help.

Edbert · Feb 12, 2004

I'm doing the same as well...painless universal kit...67 mustang 351W...

I have it mapped but my drawing is at home, I'll look her up for you when I get home.

geegee · Feb 12, 2004

67coupe351w said:
Hey guys I have been working on installing a Painless harness in my 67. About all thats left is the wiring of the headlight switch. My manuals and the Painless installation manual isnt much use here.

Painless tells me to trace the wires in my old harness. Id love to do that if I had it. I drew a picture and the colors of the wires in the original pigtail.

Can anyone fill me in on what gos where?

I appreciate any input.

a. Blue-Red (Dimmable instrument lighting). Now goes to fuse block (instrument lighting fuse) and then to instrument lights.

b. Green-Yellow & Black-Blue - (Courtesy Lights) now goes to door switches to power courtesy lights that come on when you open door.

c. Red-Yellow (Headlight Power) goes to dimmer switch for headlights.

d. Yellow & Green-Red - Yellow (Horn Button), Green-Red (Brake Light Switch).

e. Thick Black-Orange - 12 volt input power to lighting switch from splice in harness (goes to fuse block as Black-Yellow after leaving splice).

f. Black/Yellow or White - Parking lights (front marker lights).

g. Black - Parking lights (rear tail lights).

kidtaurus · Feb 12, 2004

GeeGee you rock!

67coupe351w · Feb 12, 2004

Gee Gee - most excelent.

I got a question though about the courtesy lighting.

Are both black/blue's and green/yellow's constant power sources for the courtesy lighting?

Or do both wires go to connect to the 2 prongs on the poor switches?

Thanks!

Edbert · Feb 13, 2004

Hold The Phones!

Are you 100% sure of these connections? Tested and proven?

My deciphering of the wiring diagram came up with a few disparities looking at the drawing:

I show that "G" goes to the dimmer switch, and "C" goes to the rear running lights.

Upon further investigation it is the drawing that I think is in error. The position of the "blacks" and the "red/yellow" need to be reversed.

The way I see it is that we are all in this together, lets compare notes and see if you agree.

Edbert · Feb 13, 2004

67coupe351w said:
Gee Gee - most excelent.

I got a question though about the courtesy lighting.

Are both black/blue's and green/yellow's constant power sources for the courtesy lighting?

Or do both wires go to connect to the 2 prongs on the poor switches?

One goes to the door switches and one goes to the lights, each light grounds itself in its housing.

geegee · Feb 13, 2004

Edbert said:
Are you 100% sure of these connections? Tested and proven?

My deciphering of the wiring diagram came up with a few disparities looking at the drawing:

I show that "G" goes to the dimmer switch, and "C" goes to the rear running lights.

Upon further investigation it is the drawing that I think is in error. The position of the "blacks" and the "red/yellow" need to be reversed.

The way I see it is that we are all in this together, lets compare notes and see if you agree.

I researched them as I wrote the reply, was looking at schematic. Note that the headlight switch performs several functions:

a. Provides dimmer output for instrument lighting.
b. Provides switching for headlights and marker lights.
c. Provides internal circuit breakers for all lighting circuits. Only one separately fused is instrument lights.

You can: feed power to the headlight switch on the thick black/orange wire post and then probe the connections with a multimeter to determine which pins provide voltage when the switch is moved. Knowing this will guarantee that you select the proper pin for the accessory you wish to power. Doing this removes the ambiguity. The only issue is whether you get circuit breaker protection from the headlight switch in the process.

I will look at the courtesy lights circuit(s) again and attempt to explain how to wire these in a later post.

Jeff

geegee · Feb 13, 2004

geegee said:
I researched them as I wrote the reply, was looking at schematic. Note that the headlight switch performs several functions:

a. Provides dimmer output for instrument lighting.
b. Provides switching for headlights and marker lights.
c. Provides internal circuit breakers for all lighting circuits. Only one separately fused is instrument lights.

You can: feed power to the headlight switch on the thick black/orange wire post and then probe the connections with a multimeter to determine which pins provide voltage when the switch is moved. Knowing this will guarantee that you select the proper pin for the accessory you wish to power. Doing this removes the ambiguity. The only issue is whether you get circuit breaker protection from the headlight switch in the process.

I will look at the courtesy lights circuit(s) again and attempt to explain how to wire these in a later post.

Jeff

Black-Blue provides power to L&R courtesy lights directly from headlight switch. This is how you get them to come on by rotating headlight switch knob until it clicks. This entire circuit also gets power from the door switches. Wire all courtesy lamps in parallel then wire to Black-Blue pin on headlight switch. Wire this to door switch (black-blue pin). Test circuit by rotating headlight knob until it clicks. When it clicks, then the courtesy lamps should all illuminate.

Green-Yellow provides power to the door switches. When the door switch "makes" Green-Yellow is connected to Black-Blue via the switches and hence the courtesy lights come on. Wire the door switches together (green-yellow pins). Wire from headlight switch (green-yellow) pin to door switch (green-yellow pin). Test circuit by opening door, courtesy lamps should all illuminate.

Note: there are several items on the Green-Yellow circuit that get powered from it too: Glove Box lamp, Roof console lamps (deluxe interior only).

Edbert · Feb 13, 2004

So, do you see what I mean about "the position of the "blacks" and the "red/yellow" need to be reversed" part of my post? With regards to the pins on the connector in the drawing.

kidtaurus · Feb 13, 2004

So colorwise is the info correct? Or do I need to change position and color of the "blacks" and the "red/yellow"

67coupe351w · Feb 14, 2004

I doublechecked, the pins are labeled correctly at least on my switch, maybe its diffrent on yours?

67coupe351w · Feb 14, 2004

Does this look about right for the Courtesy lighting wiring?

Also I hope you all appreciate my MSpaint diagram sketching skills.

And yes, I triple checked wire placement on my first diagram and everthing is in the spots I have them labels as.

Edbert · Feb 14, 2004

67coupe351w said:
I doublechecked, the pins are labeled correctly at least on my switch, maybe its diffrent on yours?

I am using the wiring diagram in the back of my Ford Shop manual. Lets see if you can see this...

67coupe351w · Feb 15, 2004

I see I see. thats really weird. My light switch isnt wired like that. Is that for a 67?

Any input on my 67 curtesy light wiring diagram?

Headlight switch?

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