Universal Harness Installation - Networkfleet 5500 Installation Manual

Diagnostic hardware, light/medium/heavy duty, non-diagnostic hardware universal, 5000 series
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Connecting to Ground and Power
Black Wire - Ground
W ith the vehicle's engine OFF, attach the Black Wire
directly to a chassis ground point or to a ground line (chassis ground) by splicing directly to a
ground lead or by using a wire tap (recommended).
Red Wire - Continuous Power
W ith the vehicle's engine OFF, use the voltmeter to locate a 12-volt BATTERY lead and attach
the Red Wire by splicing directly to the lead or by using a wire tap (recommended). If attaching
to a fused lead or using an in line fuse (not necessary), verify that it is at least 5 amps.
B e careful not to confuse a "Retained Accessory Power (RAP)" line with a true
Continuous Power line (12 volt, always ON line).
To determine a true Continuous Power source:
1) Ensure the Driver Door is OPEN
2) Select a wire
3) W ith vehicle's engine OFF, use a voltmeter to measure the DC voltage on the wire.
It should show 12 VDC or higher.

Universal Harness Installation

Note: Please ensure that the Driver
Door is OPEN during the ENTIRE
installation process.
11

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