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
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