[ChevyTech]

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If you are testing right by the turn signal lever, that is not where they usually fail. It is common for the wires to break or get pinched where the column tilts, if it is a tilt column.

The cruise switch should connect to a normal looking wire harness for the cruise on the left side of the steering column usually just below where the large mounting bracket that holds the column.

The wire harness should go through the firewall in a round grommet in the area just above the bulkhead connector near the brake booster. Just follow the wires from the module back to the firewall. From the inside of the cab it is above the convenience center ( the black plastic electrical panel).