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Old 05-16-2020, 10:27 AM   #3
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Join Date: Dec 2017
Location: Guthrie, OK
Posts: 756
Default Re: Headlight buckets

H-type were fitted with 1/2" conduits (two wires). The later Twolite used 9/16 conduits (two or three wires). FSB 3/29 p.329 says to increase the size of the radiator shell conduit holes from 13/16" to 15/16"and use grommets A-14567-B when retrofitting the Twolite to earlier models.
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