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Old 03-21-2005, 06:03 PM   #1
Perchjerker
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Join Date: Nov 2003
Location: Nacogdoches, TX
Posts: 280
TCM on the carb

I have a factory stock truck, 307 2bbl with the selenoid on the side of the carb. I have seen it here referred to as the TCM switch. My question is, why does the switch on my truck only engage when I shift into 2nd gear (3 on the tree)? When is the switch supposed to engage??? Also, If it is supposed to engage in neutral or another gear, how would I adjust it?
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