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Author Topic: Defogger Switch New to Old Style Conversion  (Read 390 times)

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Offline Beaverseagle

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Defogger Switch New to Old Style Conversion
« on: October 12, 2016, 03:24:10 PM »
Hello All,

So the toggle arm broke off my defogger switch. Seems like this is pretty common.  The SX4 rear window fogs up all the time, so I don't want to rely on a poorly designed switch.

I found a AMC new/old stock defogger push button switch.  There is a transistor connecting the two to leads into the switch. I figured this was the timer.  So I bought a defogger relay and hooked everything up. Everything seems to be working properly but this AMC defogger switch.

When I hook leads from the ignition to the leads one way, the switch stays on all the time and does not turn off.  When I reverse the connection, the switch only stays on with I depress the switch.

switch I bought http://www.ebay.com/itm/141237680924?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Is my switch broken or am I missing something?
« Last Edit: October 12, 2016, 03:25:47 PM by Beaverseagle »
82 SX4 258 w/ 2 inch lift 235 tires and TBI kit.

Online vangremlin

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Re: Defogger Switch New to Old Style Conversion
« Reply #1 on: October 12, 2016, 03:27:15 PM »
I had one of those push button switches in my 81 Eagle.  Mine would continue to stay on once I pushed the button. I eventually changed to the newer style switch so it would turn off.
1981 Kammback 258 - "Pepe"
1980 Coupe 258 - "Ginger
1972 Gremlin X 304
1978 Gremlin 4 cyl 121 - sold
1964 TBird 390 - sold

Offline Beaverseagle

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Re: Defogger Switch New to Old Style Conversion
« Reply #2 on: October 12, 2016, 03:42:48 PM »
Lol awesome. I think the new style are NLA. If all else fails I'll just put a simple on off switch in and become the timer.
82 SX4 258 w/ 2 inch lift 235 tires and TBI kit.

Offline macdude443

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Re: Defogger Switch New to Old Style Conversion
« Reply #3 on: October 25, 2016, 03:45:18 PM »
Do you have some photos of the old switch in place?  I've thought about doing this for the very same reason and I have all the parts to try it.
1982 Eagle SX/4
1986 Eagle Wagon

 

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