Coil
+
-
ALPHAX
2STEP BOX
12V wire
Coil wire
RPM wire
Switch
2step wire
Ground wire
Coil
+
-
Coil
+
-
Coil
+
-
Injector negative or
injector signal wire
Wiring diagram for Honda, Mitsubishi, Nissan, Toyota, Mazda and Kia 2003 present with MPI.
For vehicles Toyota/Lexus add the steps on the next page.
Ground
WARNING:
If product is not installed according to the instructions or
wiring diagram for the specific application, warranty will be
void automatically.
Cut original coil power wire or 12V wire just
before the junction where the wire splits into
multiple coils. The coil side of the wire
connects to the “coil” wire (orange). The
harness side of the original wire connects to
the “12V” wire (red).