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mike109g6(at)insideconnec
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 Posted: Tue Sep 18, 2007 10:16 pm Post subject: Cessna Split Switch |
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Left side is Alt and Right side is Battery. The confusion is that on the left side(Alt) in the middle is a single terminal and at the Bottom(off position) is a double pronged terminal. On the right side(Battery) in the middle is a double pronged terminal and at the bottom(OFF) there is a single terminal marked with 'N'. The problem is that it looks nothing closely related to the Z-13 diagram for an alt/bat switch where there are two terminals on the battery side and 4 terminals on the alt side. Ohm testing does not answer the question as to what do the terminals respectfully get connected to. There are no other markings on the switch except 'made in mexico'. Thanks in advance Mike H 9A
[quote][b]
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nuckolls.bob(at)cox.net
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| Posted: Wed Sep 19, 2007 6:56 am Post subject: Cessna Split Switch |
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At 02:10 AM 9/19/2007 -0400, you wrote:
| Quote: | Left side is Alt and Right side is Battery. The confusion is that on the
left side(Alt) in the middle is a single terminal and at the Bottom(off
position) is a double pronged terminal. On the right side(Battery) in the
middle is a double pronged terminal and at the bottom(OFF) there is a
single terminal marked with 'N'. The problem is that it looks nothing
closely related to the Z-13 diagram for an alt/bat switch where there are
two terminals on the battery side and 4 terminals on the alt side. Ohm
testing does not answer the question as to what do the terminals
respectfully get connected to. There are no other markings on the switch
except 'made in mexico'. Thanks in advance Mike H 9A
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The Cessna split rocker is a custom part by Carling made first
for Cessna and I think picked up by the rest of the world. If
you have not yet cut a hole, consider switching to a DPDT-ON-ON-ON
switch like that depicted in the Z-figures and offered by B&C
as their S700-2-10. This offers the same functionality as
the split rocker but mounts in a single round hole and looks
like the rest of the switches. It's probably less expensive
too.
Your "right" and "left" references on the rocker switch may
not be relevant if the switch can be turned over in the hole.
I.e., "up" can be either direction. The way to tell how to
hook it up is test which position of both rockers opens both
switches. This is the DOWN position of the switch. One of the
rockers can be independently placed in the ON position without
disturbing the other - this is the BATTERY switch. The other
rocker will be the alternator side.
Bob . . .
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( "Problems are the price of progress. )
( Don't bring me anything but trouble. )
( Good news weakens me." )
( -Charles F. Kettering- )
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