74 gt w/AC - Automatic / 4sp

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74 gt w/AC - Automatic / 4sp

Postby 74_Vega_GT » Mon Jul 03, 2017 5:24 pm

What are the main differences in the dash sub-harness when comparing the 74 with AC and automatic tranny to the 74 GT manual? We are using all of the the 74GT harness with AC that originally had an automatic transmission in the 75 Cos. and we have come across about six wires that we are not sure of.
~ In the sticky section above, I downloaded the 74 and the 75 wiring diagrams as well as the additional AC schematic. We think that the extra wires may be for the reverse lights, an illumination of the console light (not sure if it was illuminated or not.) Neutral safety wires that had to have been addressed when the 4-sp went in., the parking brake illumination wiring for the dash indicator. The sticky thread does not differentiate between the manual and the automatic tranny wiring harness for the 74 with AC. ...flyin blind.
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