Things You'll Need:
- Fog lights
- Automotive relay such as a Signal Stat 192
- Solderless insulated female spade terminals
- 10 amp automotive circuit breaker
- SPST toggle switch
- 14 gauge primary wire
- Solderless butt connectors
- Solderless ring connectors
- Self tapping screws
- Solderless connector crimping tool
- Wire cutters
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Step 1
Disconnect the negative cable from the battery.
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Step 2
Use a self-tapping sheet metal screw and mount the 10 amp circuit breaker in a location near the battery. Good places to mount the circuit breaker are the inner fender or the radiator support.
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Step 3
Mount the relay in the same area as the circuit breaker, also using a self-tapping screw.
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Step 4
Run a 14 gauge wire from the fog lights to terminal 86 on the relay. Connect this wire to the pigtail of the fog light with a solderless butt connector and to the relay using a solderless female spade connector.
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Step 5
Connect a short wire from terminal 85 on the relay to terminal 87a. Make your connections using solderless female spade connectors.
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Step 6
Mount a SPST toggle switch in an area easily reached by the driver. Connect a wire to the center terminal on the toggle switch using a solderless female spade connector. Run this wire to a metal part of the under dash area. Use a self-tapping screw and a solderless ring terminal and attach this wire to the metal. This needs to be a good connection, so make sure that there is no paint under the terminal.
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Step 7
Run a wire from the toggle switch to relay terminal 30. Use solderless female spade connectors on both the switch and the relay.
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Step 8
Connect relay terminal 87 to one of the circuit breaker terminals. This will require one solderless female spade connector and one solderless ring connector.
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Step 9
Connect the other terminal of the circuit breaker to the positive terminal on the battery.This will also require one solderless female spade connector and one solderless ring connector.
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Step 10
Reconnect the negative battery cable.
