Installation
© 2017 EMP, Inc.
16
On/Off Single Speed Control
Example On/Off Application Schematic
NOTE: All cavities in the mating connector must either be terminated or plugged to prevent moisture from
entering the controller.
Accessories available for purchase
Power/ground/ignition enable harness (6’ long)
1370005038 comes with a plug for the
communication connector. This harness has a 30
amp mini-fuse for the power line. Ignition enable
must be fused separately. All vehicle side wires are
not terminated.
Switched power/ground/ignition enable harness (6’
long) 3170002241 includes a toggle switch and 5
amp mini-fuse on the ignition enable line and a 30
amp mini fuse on the power line. All vehicle side
wires are terminated with ring terminals. 3/8” for
power and ground, #10 for ignition enable.
EMP parts kit 1370056018 includes a mini-fuse
holder, cover, fuses, and the wiring parts required for
installation of the holder.
Also see
Operation
CAUTION: For pumps, ignition enable should
not be supplied if the component is dry or if the
flow path is restricted or if flow relies on another
source (such as an engine component) which is
not running. In these cases, be sure ignition
enable is sourced from a supply that is active only
when the flow will not be restricted.
NOTE: In all cases, the ignition enable pin (pin 4
on the 4-pin connector) must not be tied to
battery power to allow for controller shut down.
Ignition enable should not be shut down at the
same time power is cut off. The ignition input must
be used to turn the component “on” and “off”. This
is to ensure that the controller shuts down
properly.
Components wired for on/off operation will go to
default speed after the CAN TIMEOUT period. This
time may be calibrated and is usually between 0.1
and 5 seconds.
For exact controller parameters, contact
the component.
NOTE: See
Installation Manual WP29 and WP32
Electric Water Pump
, EMP document 9970002273
for additional operation information including
installation for use on a CAN bus.
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