Marwi external switch
housing and Judco switch
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I have a bunch of the Marwi external switch
housings shown below.
They came with the double Marwi halogen
lights.
As I take apart the Marwi halogen lights and
use the bodies for P7 LED builds, I have been
saving these external switch housings for
future use.
I have been snipping the cable off right at
the back of the Marwi housing to save time in
taking them apart.
There is approximately 7 inches of 2 wire
cable still attached to the switch.
I believe the switch is a SPST Judco 10 amp at
14vdc switch.
There is no part number on the switch, but
they do say Judco.
Note that Judco makes a bunch of different
switches that will all fit into this housing.
Judco makes tall or short plungers, momentary,
SPST, SPDT and a couple other types of
switches with the same body size.

Here is a shot of what the original Marwi
halogen lights looked like with the external
switch assembly
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Click on the images for a larger image
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Here is a shot of several of the external
switch housings taken apart.
You can pry these housings apart and mod them
to your liking.
I noticed that some of these were glued
together and some were not glued.
If there is a bunch of glue, they are harder
to get apart.
Remove the Velcro strap and stick a big flat
bladed screw driver into the body slot.
Twist the blade of the screw driver to pry
open the housing.
Pry it open slowly and evenly on all sides for best
results.
On the right you can see a complete housing
strapped down to a round tube.
The back side of the housing is curved and has
a piece of rubber glued on to keep it from
slipping around.
The big hole that the switch goes through is
11.2mm in diameter
The Velcro strap is approximately 6 inches
long
There is a slot in the body that the Velcro
strap runs through.
There are alignment pins in the cover plate
that line up with the switch half
The rubber boot has a threaded nut inside it.
The top of the rubber boot sticks up about 8mm
from the surface of the housing
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Here's a shot of the inside showing the back
of the SPST Judco switch.
I have unsoldered the original wire from the
switch |
A close up shot of the assembly strapped down
to a piece of 1 inch diameter tubing.
The rubber boot seals everything nicely |
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