Holley 02121NOS - Manual (Page 14)

Components
Figure 13
Snap in rocker switches
& use backing plate
with purge switch. Installed
Figure 14 Figure 15
Hand
tighten
the purge
switch.
Installation complete
Figure 16 Figure 17
4. Install the wiring relay and relay harness in the engine compartment near the battery. The relay’s orange wire should reach
the battery (+) terminal.
5. Connect the orange relay wire to the battery (+) terminal. Install a 15 AMP fuse into the fuse socket.
6. Connect one wire from each solenoid together. Join the solenoid wires to the blue relay wire.
7. Join the remaining solenoid wires together. Connect to a good chassis ground.
8. Connect the WOT/Window Switch wire to the green relay wire and then to a good chassis ground.
9. Connect red relay wire solid red wire on the WOT/Window Switch.
10. Connect the tan wire of the WOT/Window Switch to coil #1 (cylinder 1) on the Mustang (white / pink stripe wire on car). See
Figure 18.
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