Cobra 4160 Alarm Wiring Diagram ^new^ [2026]

Draft Review: Cobra 4160 Alarm Wiring Diagram

• Red — +12V constant (battery positive). Fuse 1–3 A at source.
• Black — Ground (chassis). Solid, clean metal contact.
• Yellow — Ignition/Accessory (switched +12V). Connect to ignition feed.
• Orange — Starter cut / starter interrupt output. Usually to starter relay interrupt.
• Blue — Door trigger (negative or positive trigger depending on model). Confirm polarity; often negative trigger input from door pin switch.
• White — Dome light / interior light trigger (negative pulse).
• Green — Parking light output (flashes with alarm). Connect to parking light circuit (usually via diode/isolation).
• Violet / Purple — Siren positive output (12V to siren). Siren negative to ground.
• Brown — Shock sensor input/trigger or valet switch (model-dependent).
• Gray — Trunk release output (momentary switched +12V).
• Pink — Auxiliary output (programmable; e.g., remote start, accessory).

This is a technical guide for understanding and working with the Cobra 4160 car alarm wiring diagram. The Cobra 4160 is a classic "DIY-friendly" aftermarket alarm system. While the specific color codes can vary slightly between production batches, this guide covers the industry-standard wiring scheme used for this model. cobra 4160 alarm wiring diagram

Grey: Accessory trigger for optional sensors like radar or ultrasonic modules. Outputs Draft Review: Cobra 4160 Alarm Wiring Diagram

Yellow/Blue: Serial data line. Connects to the siren or immobilizer code wire. Red — +12V constant (battery positive)

Main chassis ground. Connect to an existing factory earth point or directly to the negative battery terminal. Ignition & Monitoring Green/Red Wire (+15):