Page 479 - Manual Oficina Polaris RZR XP 1000 17-18

ELECTRICAL

TESTING PARASITIC DRAW TESTING VOLTAGE DROP
Parasitic draw is when there is excessive current flow
with the key off. NOTICE
While the most common causes of draws are improperly If you disconnect the connector at the load, and
installed accessories (tapping into un-switched B + measure voltage with one lead on the power supply
instead of switched) there can be electronic component wire, and one to ground, you will be measuring
failures that can cause this as well. available voltage. This is a static test and not dynamic
voltage drop testing. Refer to page Static and Dynamic
TESTING PROCEDURE Testingpage 11.6
1. Remove the negative cable from the battery.
The measurement of voltage is the DIFFERENCE in
2. Connect a jumper from the negative battery cable electrical pressure between the two points your DMM
terminal to the negative battery post. leads are touching.
3. Ensure your meter leads and selector dial are set to Most circuits will have one load. The load is the
measure amperage. component in the circuit that uses the current flow to do
work, such as move a solenoid or light a bulb.
4. Connect your red lead to the battery negative cable
terminal. Voltage coming into the load should be near battery
voltage with current flowing. There will be some loss from
5. Connect your black lead to the battery negative post.
moving through electrical contacts in connectors and
6. Momentarily key the ignition switch on, then off. relays, but it will be minimal.
CAUTION NOTICE
Ensure all electrical components are switched off, or You will need to backprobe to perform this test. For
damage to your jumper and/or meter will occur. information about doing this safely, refer to Connector
Probing Guidelinespage 11.7

7. Wait 30 minutes before checking the value. Vehicles
will vary, but electronic components will take time to Voltage should be near fully depleted by the load. This
fully go to sleep after switched power is removed. means that when measuring on the ground side of the
circuit, immediately after the load, back to battery
8. Maximum allowable is 10 milliamps. If your meter is negative, you should have near zero pressure difference
ranged to the 10 Amp scale, this will appear as 0.010 (voltage).
Amps.
If you do have a difference in pressure, this means there
9. If over 10 milliamps, go to the fuse block and start is something adding resistance to the circuit such as
systematically removing one fuse at a time until the corrosion.
value drops, indicating the circuit that requires
attention. For a video demonstration, scan the QR code below, or
right click it and select “open in new tab”.

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9928492 R06 - 2017-2018 RZR XP 1000 / XP4 1000 Service Manual 11.11
© Copyright Polaris Industries Inc.