Thank you for the donation.
I need to know the exact model of your vehicle to be able to get the correct data and diagnostics as there are many variants. Can you please let me know the model, eg K1500, G1500 etc.
The activating of the horn and radio seems to ppoit to a wiring shorting somewhere where power supply to the horn and radio are concerned.
Let me know the model and I will try to assist in diagnosing the problem.
Friday, February 13th, 2009 AT 12:22 PM