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Old 01-09-2012, 02:04 AM   #5
Tom Wesenberg
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
Default Re: Model A Light Switch

If your new harnes came with the contact plate already attached it will be for the 4 position lights, 1929-31 Twolite system. You will ned to unsolder your original contact plate from the old harness and use it with the new wires. The 1928-early 29 contact plate has 4 brass contacts located at 12 o'clock, 4, 6, and 8 o'clock. The twolite system has 3 groups of 3 contacts equally spaced around the plate.
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