Disconnect your vehicle’s negative battery terminal before starting any electrical installation to prevent short circuits. Step 1: Remove the Factory Head Unit
Check the Red power wire connection. Ensure it is receiving a full 12V of electricity using a multimeter. Ensure the Black ground wire is attached to clean, paint-free metal. jie rui bt 5908 manual kit pdf
Actionable findings:
. There is a specific tension in the text—the warning that a single wrong spark on the 12V ACC port could damage the stereo forever. You are searching for the "B+" or "KL. 30" wire, the car's constant heartbeat, to feed the small black box. The Spark of Connection Ensure the Black ground wire is attached to
Reposition the main black plastic module box away from large metal brackets behind the radio to improve signal propagation. You are searching for the "B+" or "KL