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©2002 Edelbrock Corporation
Rev. 9/02
Brochure No. 63-0142
Catalog #71001
Page 16 of 21
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 15 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 Bat Voltage Relay Harness Bat. Volt. Signal Ring
Red Arming Switch Underdash Switched 12v Spade/Wire Intercept
Black Relay Ground Relay Harness Chassis Ground Ring
Black Solenoid Ground Solenoids Chassis Ground Ring
Black Arming Switch Grnd. Arming Switch Chassis Ground Ring
Blue Solenoid Power Relay Harness Solenoids Spade
White Microswitch Relay Harness Microswitch Spade
White Microswitch Arming Switch Microswitch Spade