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3. INSTALLATION
Connecting Model 906
Pin 1 = Battery +
Connects to the vehicle’s main positive (+) terminal.
Use as short a wire as practical.
Pin 2 = Battery –
Connects to the vehicle’s main negative (–) terminal
Use as short a wire as practical.
Note: Pins 1 & 2 are connected across the total
battery pack.
Pin 3 = Output Signal + or No Option
Output Signal option: 5 VDC ±0.5 VDC (90 µA
current source) above Empty, 0-0.1 VDC at Empty
1 VDC maximum (90 µA sink);
No Option: Pin 3 is left open.
Pin 4 = Keyswitch
Connects to Battery + through the switched terminal
of the keyswitch.
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