Re: IML: '66 auto headlight dimmer wiring -- 2nd request

[randalpark@xxxxxxx]

This is correct, and if '66 is the same unit (I think it is) than the 
missing component is the controller mounted under the dash. The early 
controller has a radio tube inside. By '66 they may have still been 
using that, or they may have replaced it with a similar transistorized 
component. There are no wires that go directly to the headlights. As 
Jim explains, it is wired through the dimmer switch on the floor. Also, 
I believe that the units usually were installed by the factory, 
although I have run across dealer installations. You can sometimes tell 
the difference by the position of the photocell mounting on the dash.

Incidentally, there is a special tool used to aim the photocell. It 
consists of a bracket that fits the housing with a bubble balance 
attached. A neat little unit!

Paul W.


-----Original Message-----
From: JIM LORENZEN <jdlpdx@xxxxxxxxxxx>
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Wed, 27 Jun 2007 10:07 pm
Subject: Re: IML: '66 auto headlight dimmer wiring -- 2nd request



Hi David -

I don't know if this will be of any help but my '62 Crown has the 
headlight dimmer option but appears to be dealer installed.  It 
consists of the Scanner which sits atop the dash in a different 
location than the factory unit, the Scanner Control Box, which is 
located near the EL Transformer under the dash up on the left kick 
panel, and a special Headlight Dimmer Switch. 

The Scanner has a cable made up of three wires: light green, violet & 
black.  This bound cable ends in a three part male plug that joins an 
oversize female plug the cable from which goes into the Scanner Control 
Box.

The Scanner Control Box has another bound cable which splits into a 
group of three wires (light blue, light green & tan) which end in a 
three way male plug into which is plugged the three prong female plug 
which would normally go to the standard dimmer switch.  The other part 
of the cable from the Control Box ends in two female plugs: A single 
connector plug from a red wire and a three connector plug into which go 
the remaining  black, grey and violet wires.  These plug into the 
speacialized dimmer switch

It appears that this system gets its power from the headlight switch 
from one of the wires which would normally go to the dimmer switch from 
the standard three connector female plug. 

The dimmer switch that is used is different from the standard switch in 
that in addition to the three male prongs on the bottom there is a 
single male prong on the top of the switch.

The system appears to be entirely self contained and simply splices 
into the standard setup through a speacialized dimmer switch and a 
"jumper" set up which plugs into the standard dimmer switch feed.

This reads more complicated than I intended so let me know if a diagram 
would help and I will work one out and send it to you.  Also this may 
not be the system used on the '66, but I imagine that it's close

Good Luck

 

Jim L. in OR
    '60 Crown 4dr Southampton
    '62 Crown 4dr Southampton


----- Original Message -----

From: David Whitney

To: mailing-list@xxxxxxxxxxxxxxxx

Sent: Wednesday, June 27, 2007 9:48 PM

Subject: IML: '66 auto headlight dimmer wiring -- 2nd request




I have learned from another mailing list that the three wires from the 
dimmer controller are distributed thusly -- two to the headlights and 
one to the headlight switch.  That helps me some, but not enough.

 

Is there a wiring diagram including this system in any year FSM?  Does 
somebody by chance know which pin on the headlight switch and which pin 
on the bulkhead connector these wires go to?  I really don't want to 
have to take my dash apart to figure this out.



Happy motoring,

David

'91 K-Imperial driver 200,000 miles
'66 LeBaron dual air and every option known to man
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