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2001 Edelbrock Corporation
Brochure No. 63-0020
©
Rev. 10/01
Page 17 of 27
3.4 Nitrous Electrical System Installation Procedures
Determine the location of the Relay and Fuse Holder wire harness. Most common installations locate
these components inside the driver’s compartment and close to the fuse panel under the dash. You can
also mount the Relay and Fuse Holder and harness close to the battery. However, these connectors are
water-resistant not waterproof, so care is required when mounting this assembly under the hood of your
vehicle.
3.5 Nitrous Relay and Fuse Holder Installation
The wire harness attached to the relay and fuse holder includes 8 feet of color-coded wires to make the
electrical system installation for your Edelbrock Nitrous System as easy as possible. We recommend that
you do not cut any lengths of wires from the wire harness or complete the wiring of the nitrous system until
all of the mechanical components are securely mounted in their permanent locations.
Once all of the solenoids and switches are placed, then route the un-cut wires from the harness to each
location allowing enough wire length on each circuit to not interfere with operating linkages, heat sources,
brackets, etc. Pay particular attention to sharp edges along the route of your wire harness as they can
chafe the wire and cause your system to fail.
After you have accounted for the routing of your wires, follow the Wire Harness Schematic on page 14 and
use the Origin and Destination Map as a guide for which electrical connectors are used in each circuit.
Once you have decided the location of the relay and fuse holder, secure them with fasteners (not included
with kit) such as sheet metal screws, bolts and nuts, etc. Allow for some slack in the red wire that connects
the relay and fuse holders together.
When mounting your relay and fuse holder, make sure the mounting surface is strong enough to support
servicing the relay and fuse. Also, ensure you allow for some slack in the wire that joins the fuse holder
to the relay mount. This will avoid any potential loss of power due to stress on the wire harness.
The fuse is covered by the fuse mount housing.
The relay for the Performer system is 30 amps, and the fuse is 15 amps.
Wire Schematic Origin and Destination Map
Wire Color System Origin Destination Terminal Used
Red Main System Bat. Relay Harness Bat. Volt. Signal Ring
Voltage
Red Arming Switch Arming Switch Underdash Spade/Wire Intercept
Switched 12V
Blue Solenoid Power Relay Harness Solenoids #1 & #2 Spade
White Relay Power Relay Harness Arming Switch Spade
Black Arming Switch Grnd Arming Switch Chassis Grnd Spade/Ring
Black Relay Grnd Relay Harness Microswitch Spade
Black Microswitch Grnd Microswitch Chassis Grnd Spade/Ring
Black Solenoid #1 Grnd Solenoid #1 Chassis Grnd Ring
Black Solenoid #2 Grnd Solenoid #2 Fuel Pressure Ring
Safety Switch
Black Fuel Pressure Fuel Pressure Chassis Grnd Ring/Ring
Switch Grnd Safety Switch