©2007 Edelbrock Corporation
Brochure #63-71940
Catalog #71940
Rev. 2/07 - DC/mc
Page 3 of 4
6.0 - WIRING DIAGRAMS
Some models p12V when the horn button is activated. When using wiring diagram #2, the solenoid wire polarity will
need to be reversed if the horn button pr12V.
Wiring Diagram #1
Wiring Diagram #2
Red
Red
Red
Red
Black
Black
Black
Black
Black
Black
Factory Harness to Horn
Factory Harness to Horn
Horn
Horn
Nitrous
Solenoid
Nitrous
Solenoid
Switch
Switch
Bottom
View
Bottom
View
+12V with Key On
From Horn Button
(Ground when button is pressed)
From Horn Button
(Ground when button is pressed)
To Nitrous Bottle
To Nitrous Bottle
To Nitrous Nozzle
To Nitrous Nozzle
Install Relay for OPTIONAL RPM
Activated Switch Here. See
Section 7.0 for More Details.
Install Relay for OPTIONAL RPM
Activated Switch Here. See
Section 7.0 for More Details.
To Sw12 Volts
