Thread: Columbus..the 1957 IH 4x4..
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Old 07-23-2020, 11:05 PM   #1241
mongocanfly
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Re: Columbus..the 1957 IH 4x4..
Yep ..I'm positive I'm on the hot lead...marked B on the switch...the yellow wire on the old switch came straight from the key switch to B... 12v supply when switch is in on position....
theres no jumper between A and P..
Heres some schematic pics that may help...
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