Can I use toggle switches for all dash functions?
Documented on the 1965 Ford Mustang build
Published April 27, 2026
Toggle switches work for many accessory circuits, but for higher-current items like headlights or fuel pumps you should use relays controlled by the switch so the switch only handles low current.
Documented In This Build
Related Knowledge
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Related Parts
Dash wiring harness / 12V wiring kit
$200
Mini fuse block / fuse panel
$35
Assorted wire kit (multiple gauges/colors)
$40
Toggle switches (set of 4)
$20
Ignition switch (replacement)
$30
Heat shrink tubing & solder kit
$15
Assorted terminals, butt connectors, and multi-pin connectors
$10
Labeling materials (labels/marker)
$20
Relays (set of 2)
$10
Related Tools
Multimeter
Socket and wrench set
Wire stripper / crimper
Soldering iron
Heat gun
Screwdriver set
Wire fish tape / puller





