Factory Five Racing Forum banner

Ron Francis harness and headlight switches ...

2.9K views 6 replies 4 participants last post by  George H  
#1 ·
Does anyone have either a schematic of what the internals of the FFR headlight switch thats meant to be used with the RF harness or a schematic of the RF harness that includes whats going on inside the fusebox?

I'm planning on using a 3-position toggle for headlights and parking lights, a foot switch for brights and a hidden rheostat for dash illumination. This is the second time in a week I've been regretting buying this harness but I've already ripped it apart and started to rewire it so I'm hesitant to scrap it and get one that is better documented.

I could wire this in my sleep with a couple of relays without a problem, but I'm really trying to avoid ripping this part of the RF harness out, too, as I've already had to for almost all of the dash wiring.

I'm trying to figure out if the switch its expecting is a DT3P + rheostat, or something more complicated than that.

Also, I asked this in a thread earlier this week about dash wiring and didn't get an answer from anyone who has used this harness -- almost all the wires in the dash harness ended in these brown clip-connects, presumably to connect into other wiring.

Was the harness supposed to come with the matching connectors for it? I've got a good 15 wires or so with these on the end that I'll end up having to cut off and replace, it seems. Does anyone know a source for them? They're nice positive connections -- I'd rather be able to use them.
 
#2 ·
George,

The FFR switch is the American Autowire systems factory fit part #500341. If you can find the instruction sheet on their site. it is 92964804 instruction sheet. on it these are the terminals to the the ron francis ffr harness.... rear tail lamp - 2 tan wires, fused battery feed - red, headlight feed - blue, battery feed 12 volts - red, dash panel lights - white.
The ends on the RF harness are oem type female connectors, what I did was remove the black hard cover and recover the female connector with heat shrink. then you can use a blue male connector on the wire to be connected to the RF harness. and yes I redid the dash harness just to make things fit the gauges and relays and whatever else. The RF harness is great but it does not fit every case. sorry so wordy, I did not like english in school.

bob
 
#3 ·
George have you tried RF's website wire-works.com? Don't know if what you're looking for would be there but it's worth a shot. If nothing else they should have the connectors.
HTH Dave
 
#4 ·
No dice so far finding out how the innards of the switch is wired.

Ugh.

The RF website does have all those connectors, thanks for that tip.
 
#5 ·
george,
here is a installation sheet for the ffr headlight switch. the photo is in the gallery. i am still not quite sure how to do photos in posts:wacko:.

bob
 
#7 ·
Thanks! Thats the first diagram I'd seen that gave some clues whats going on in the switch. If someone has a switch that isnt installed and can use a meter on it real quickly, can someone verify a couple things:

1) The two center pins (headlight feed and taillight feed) are connected to the battery feed only when pulled all the way out.
2) When pulled out all the way or half way the alternate feed is connected through to the fused battery feed
3) When pulled out all the way, the other parking light feed is NOT connected through to the battery feed, but is when pulled out half-way
4) Which pin feeds the dash lights pin? (Ie, when the headlights are on, is there continuity to the 12V feed or the battery feed?)
5) When the headlight switch is off, is the dash-lights open (not connected?)

I'm trying to figure out what is hiding in the switch and what is hiding in the fuse panel -- I'm guessing its all in the switch, with diodes.

I was surprised when I e-mailed FFR that they did not have this information...
 
#6 ·
I know it is not painless wiring but their book http://www.painlessperformance.com/Manuals/90501Manual.pdf shows the headlight switch and you can use the numbers on the wires to let you know where they are supposed to end up. The headlight switch is shown on page 23. I used this book a lot.