ConcoursMustang Forums
1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1964 1/2 - 1965 => Topic started by: midlife on April 07, 2017, 09:02:41 PM
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Just curious when the 65 model year (not 64.5) changed from 2 to 3 speed heaters. Why? There are two different underdash harness configurations, and am just curious as to the date or VIN change-over. I have customers wanting an underdash harness for their shell and I have to ask a whole lot of questions about heater blower wires and switch designs to figure out what the correct harness is.
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If this helps I have a 65 Dearborn built Fastback. Approximate build date is September 2, 1964. It has lots of early 65 (64 1/2) parts including the heater. The heater motor is 2 speed, 3 wires, no resistor in heater box. Switch is center off with low speed to the right and high speed to the left.
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The MPC date is 4/1/65.