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Catalog #70080, #70081, #70082, #70083
Brochure No. 63-0312
©2008 Edelbrock Corporation
Rev. 07/08
Page 21
2.14 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.
2.15 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 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 RPM II Single Stage system is 30 amps, and the fuse is 15 amps.
The relays for the Performer RPM II Dual Stage System are 30 amps, and the fuse is 15 amps for each stage or 30 amps
for both.