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Wiring Harness

842 Views 5 Replies 4 Participants Last post by  Sparkey600
I just changed all the wiring harness in my 1970 chevelle SS 396, I am left with two plugs by the back of the distributor on the fire wall. One looks like an S and the other one is straight. I looked in the factory assembly manual and it looks like there should be a T.C.S. Relay on the fire wall. Does any one know what these plugs are for and what does the T.C.S. relay do ?

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M & H Electric Fabricators 562-926-9552
They have original harness for all cars
Very helpful
I am going to call them right know with this question
It was a 3333333333
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