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AC rocker switch add-on 200

posted by  iluvvolvos on  Sun Mar 30 03:47 CST 2003
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Yesterday I managed to get the AC on my daughter's old 1986 240 to stop shorting out by fiddling with the AC thermo switch knob and cleaning off the connections at the back, etc. However, it started me thinking.....I'm guessing the thermo switch might be going bad. If I were to buy a AC rocker-type switch (from a newer 240) and place it alongside the thermo switch, it may prolong the life of the thermo switch because we wouldn't be constantly turning the knob. It would be more convenient--to turn on the AC we'd just flip the switch rather than turn the knob... knob could stay at a convenient setting. Am I thinking straight here???
If the answer is "yes," then how would I connect the rocker switch? I'm guessing I'd cut into the green wire which is currently connected to the thermo switch. The new AC rocker switch has just two connection sites (as far as I can tell from the photos). Does it make a difference which end of the cut green wire goes where? Also, if it turns out that the green wire is too short to extend to the new switch and I need a little "extension wire", do I have to buy a specific gauge of wire? (I don't know much about electrical systems so I know these questions are a bit "dumb".) Thanks again, guys! As you can see, I am now really "into" getting this old car in good shape. Heidi the Fix-it Mom








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    AC rocker switch add-on 200

    posted by  jbowser on  Sun Mar 30 05:13 CST 2003
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    last visit: Fri Dec 24 08:36 CST 2010
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    I believe the green wire goes through the firewall to the AC clutch so if the "new" switch has only two connections then cut this green wire, crimp on terminal ends that will mate with the terminals on the switch, and hook everything together.

    As you will be pulling the switch from a car just go ahead and cut the wires goint to the switch as well then you'll have wire to work with as well. I imaging that 16 ga wire would be sufficient.

    I saw one of those switches the other day and thought the same thing! I may go back and snag it if for no other reason than I think dashes look "cooler" with a bunch of switches on 'em! :-)

    Justin B.








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    AC rocker switch add-on 200

    posted by  sdol on  Sun Mar 30 04:45 CST 2003
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    Heidi

    Just replace the existing switch by going to a junk yard and getting another. It will cost you $5 or less and you won't have to do any engineering. If you enjoy changing things around think about a project such as converting your cooling fan to electric.....but you will still have to go to the junk yard to get a fan.

    http://www.linkline.com/personal/dbarton/fanconversion/







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