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Old 03-25-2021, 12:21 PM   #7
68 P.O.S.
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Join Date: Jan 2007
Location: Puyallup, WA
Posts: 1,661
Re: Dark brown/white wire

My truck has one of these, as well as the TCS wiring, and they are not the same. Also, the TCS wiring does not get routed in the firewall gutter. Here's a thread that may help. I believe post #14 is correct...the pics in the last post are of the TCS wires and they are different than your pic. http://67-72chevytrucks.com/vboard/s....php?p=6919062
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72 C10 lwb fleetside -stock 350/350 combo
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