91 k1500 cruise control

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azblacksheep

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I'm trying to add cruise to a 91 Silverado. I have the servo mounted, and the 4 wires that go up the column to the stalk connected. I have 3 wires to connect, brown, brown with a white tracer, and black with a white tracer. I know one is a ground, one goes to the vss and the other goes to the brake lamp switch. Which wires tap into where? I'm going crazy trying to figure it out! Thanks in advance.
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Welders can weld, and fitters can fit, but the porta-can-man knows his ****.
 
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Here is the schematic I used to help me with mine. I installed a 6.0 and 4l80e combo from an 01' in mine, scratched my head for months trying to figure out how to re-use my cruise control. All I had to do was change the cable that hooked to the throttle body to a one that was on 96 on up trucks. Didn't have to do anything to the wiring because I didn't cut any of them, but I believe I used this to trouble shoot it just to make sure everything was working correctly.

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