Online manual not for resale purposes – BLITZ Scion xB-xA Compressor System User Manual

Page 19

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Part 39. Wiring and routing of relay
harness

In the Engine Bay

1. Connect the female relay harness plug
to the male harness plug which comes out
of the compressor . Make sure the
harness plugs are connected securely.

2. Find a suitable location away from

engine heat and moisture, and securely
mount the relay to the body of the car.
Using an existing 10mm bolt, ground the
short red non-fused wire coming off the
supercharger harness. Make sure plug is
locked securely in place on the relay.

3. Connect the fused red wire from the
relay harness to the +12v power terminal
on the battery

4. Route the blue activation wire into the
interior of the car on the passenger side.

**note: The blue wire will be connected to the
Activation Box.

5. Use the included zip ties and wire loom
to secure the relay and wires. Make sure
the routing of the wires do not interfere
with any moving parts in the motor
including the S/C pulley and belts.

Note: Make sure the wires are properly

connected to 12V Battery power and
ground. If the connections are not solid
the supercharger may not activate
correctly.

Small red wire is
connected to +12V

Black wire connects to wire B on ECU

Yellow wire connects to
wire A on ECU

Activation box

Blue line
To relay

Blue wire

from relay

To +12v
battery
terminal

Relay assembly

Fuse

F-plug

Chassis

Ground

M-Plug

Compressor
Clutch

Connector

Interior S/C
adjustment

switch

Connector

Diagram for compressor

Fuel
Controll
er

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