Back in the day it was not unusual to run 2 fog lights.
One switch for 2 fog lights makes sense from that perspective.
Regarding the use of one switch for both fog and driving lights, the rotary
switch for fog and spot (driving) lights (Sparto or Wipac) provided
Off--Fog--Spot (Driving) or Pair (both).
If one didn't have a rotary switch, the only option that would allow operation
of either light or both lights
would call for two switches.
Allan Ballard
Mk1a Tiger
SIV Alpine
On Apr 13, 2011, at 4:35 PM, Ron Fraser wrote:
> Gene
> TBON lists the driving light and the fog light but there is little
> detail. The switch panel is not shown.
>
> The Rootes Parts List in the Special Accessories Section indicates:
>
> 5220643 Driving Lamp Kit superseded by 1216602
> 5220644 Fog Lamp Kit superseded by 1216603
>
> Note. For initial fitting 5220276 Switch Kit(Series I,II& III) 1800381
> Switch from Series IV and 1201417 Brackets are required
>
> The wire diagram shows one switch and 2 Fog lights. This could be
> a typo about the 2 Fog lights? The one switch with the Fog and Driving
> light makes sense since you would use one or the other lamps as required
for
> the driving conditions. 2 Switches would let you have both lights on at
> the same time.
>
> Is there a wire diagram with the Switch kit that explains the 2 switches?
I
> don't know.
>
> Ron Fraser
>
>
> -----Original Message-----
> From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
> On Behalf Of genepadgett@comcast.net
> Sent: Tuesday, April 12, 2011 10:56 PM
> To: tigers@autox.team.net
> Subject: Re: [Tigers] driving lights
>
>
> Any info on this from the BON?B B I do not have a copy.B B B However, and
> for whatever it may be worth, my old CAT Shop Notes Third Edition (1980)
has
> an extensive Parts List in it.B B Who compilied it and from where does not
> seem to be indicated.B B However, it lists the following Lucas models
under
> Fog Lamps:B B FT6, SFT576, and SFT700.B B For Long range driving lamps it
> lists LR6, SLR576, and SLR700.B B It also lists two Foglamp switches:B B
> model 57SA part #31947 D/E and Foglamp 3 position model 57SA part number
> 31946B.
>
>
>
> In my copy of the Rootes ManualB WSM.143/144 First re-issue the wiring
> diagram shows both lights controlled by a single switch.B B On the
> pictorial of the dash at the far left lower corner of the dash to the left
> of and below the a mmeter location B it is indicated that a switch goes
> there for auxliliary lamp (if fitted).B However, on my car, that is where
> my heater blower switch is located and there is no location for the blower
> switch anywhere on the pictorial!
>
>
>
> I am very content to leave the B blower switch where it is and follow the
> highly knowledgeable Michael King and his information on the auxiliary
> panel.B B However, it would seem a case could be made for putting a single
> switch controling both lights by the ammeter and putting the blower switch
> (with its metal label surround) on a separate auxiliary panel under the
dash
> bottom roll.B B Of course, there are examples of incorrect info in the
> manual, are there not?!
>
>
>
> Just stirring the pot a little late in the day for the fun of it.B B Your
> forgiveness please!
>
>
>
> Gene
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