+12VDC Ignition/Ignition Sense. Turns the system on when the vehicle starts. 2. Low-Current Input Connector (12-Pin Gray)
| Pin | Wire Color | Function | Technical Note | | :--- | :--- | :--- | :--- | | 1 | Red (10 AWG) | | Connect directly to the positive terminal of the vehicle battery with a 40A fuse within 6 inches of the battery. | | 2 | Black (10 AWG) | Chassis Ground | Connect to the vehicle chassis. Do not daisy-chain with other grounds. | | 3 | White or Yellow | Ignition Sense (Switched) | Connects to a fuse that is only live when the key is in "Run" or "Accessory" to automatically shut down the system. | | 4 | Orange | PA (Public Address) Speaker + | Positive lead to the 100W Whelen speaker under the hood. | | 5 | Brown | PA Speaker - | Negative lead to the speaker. | | 6 | N/A | (Reserved) | Usually for diagnostic programming. |
This technical guide breaks down the multi-pin connectors, power distribution lines, and peripheral inputs mapped on a standard layout. System Architecture Overview
These wires control heavy-load accessories like halogen rotators, large scene lights, or full-size lightbars. cencom gold wiring diagram
The "brain" or central processing unit, usually mounted under the seat or in the trunk.
: Programs for CenCom Gold are not compatible with its successor, the CenCom Sapphire.
Cencom Gold wiring diagrams are vital for several reasons: +12VDC Ignition/Ignition Sense
The most common version of the Cencom Gold uses a series of 12-pin and 20-pin connectors. Below is a breakdown of the essential connections based on the standard Whelen engineering schematic.
| Connector | Pin | Typical Color | Function | Installer Tip | | :--- | :--- | :--- | :--- | :--- | | | 1 | Black/White | Output: Left Rear Flash | Controls single lighthead or low-current LED | | 12-Pin I/O | 2 | Black/Yellow | Output: Right Rear Flash | You can pair this with a relay for halogen lights | | 12-Pin I/O | 3 | Green | Output: Left Take Down | Map to "Scene" mode on controller | | 12-Pin I/O | 4 | Blue | Output: Right Take Down | Usually paired with Pin 3 | | 12-Pin I/O | 5 | Gray | Output: Siren Cutback | Drops siren volume when PA is active | | 12-Pin I/O | 6 | Violet | Input: Horn Ring Transfer | Connect to vehicle horn wire to activate siren | | 20-Pin J2 | A | Red/White | WeCan® High | High-speed data bus for remote lightbars | | 20-Pin J2 | B | Black/White | WeCan® Low | Low-speed data bus | | 20-Pin J2 | C | Brown | Output: Steady Burn Red | For intersection or traffic clearing |
Understanding this diagram ensures that police, fire, and rescue vehicles have fully functional sirens, lightbars, and auxiliary equipment. This guide breaks down the core sections of the CenCom Gold system, its primary wire clusters, and critical installation safety rules. ⚡ System Overview and Power Requirements Low-Current Input Connector (12-Pin Gray) | Pin |
This document describes typical wiring for a Cencom Gold fire alarm control panel (FACP). Use this as a text-only reference; consult the panel’s official manual and local codes for exact wiring requirements and device compatibility.
To prevent emergency equipment from draining the vehicle battery when the vehicle is turned off, the CenCom Gold features dedicated logical control overrides.
The diagram often shows a white wire labeled "Park Kill." This is an input that detects when the vehicle is in Park. If left unconnected, your warning lights might automatically shut off when you stop at a scene. Connect this to the vehicle's Park/Neutral position switch if required by your department policy.
: A USB port located on the ARM allows for "drag and drop" configuration via Windows-style software without needing the control head connected.