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Horn ground is black wire, to a ground. Positive is yellow with red stripe, to BCM (body control module) pin 3. The relay is internal to the BCM. The wire coming out of the BCM to the steering control module pin 8, and on to the clockspring is on BCM pin 33, violet w/green stripe. Wire from the clockspring to the horn switch is blue. Return ground out of the horn switch splits into a white wire to ground, and a pink wire going back to the clockspring then through it to a black w/blue striped ground wire.

I should have just posted a diagram. If wondering where the BCM is, note on diagram the connectors "near LH kick panel".

Rectangle Font Slope Parallel Diagram
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