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Re: [Shop-talk] Fog and Driving Lights

To: "Jim Stone" <>, "shop-talk" <>
Subject: Re: [Shop-talk] Fog and Driving Lights
From: john niolon via Shop-talk <>
Date: Thu, 30 Apr 2020 16:39:02 -0500
Importance: Normal
References: <>
Hi Jim   I did something similar with a electrically operated hood on my 
truck project...  double pole double throw switch...   power feeds on center 
contacts.  Up relay is fed from upper  two contacts when switch is moved up 
and the  down is fed from lower two contacts when the switch is down. 
Center position of switch is off on both.   The upper and lower contacts 
would feed standard auto relays   BUT you can't have both on at the same 
time with this setup.,,.,.

these guys can set you up with pretty stuff and even label them the way you 
want... I used them in my truck for doors/windows/hood actuators


-----Original Message----- 
From: Jim Stone via Shop-talk
Sent: Thursday, April 30, 2020 3:28 PM
To: Shop Talk
Subject: [Shop-talk] Fog and Driving Lights

I have long wanted to install 1 fog and 1 driving light on my Alpine, and 
have them wired so that I can light either one or both of them.  There was a 
period 4-position rotary switch for doing this (off - on1 - on2 - on1&2) and 
I have one, but it is ugly as sin and Iâ??d like to come up with a more 
attractive solution.  Ideally, I would like to convert an unnecessary toggle 
switch space on the dash to a fog/driving light switch.  My hope is to put 
in a DPDT momentary switch (something like this one, but hopefully I can 
find something more attractive: 
and a pair of latching relays.  The tricky part is that Iâ??d need the relays 
to latch on with the first pulse and turn off with the second.  So, up once 
to turn on the fog light, down once to turn on the driving light.  Up or 
down a second time to turn off either light.  Hopefully, that makes sense.

Does anyone know if such a relay exists?  If not, is there a simple circuit 
that would make a standard relay work as described?

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