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#1020407 Nocolorbrother (User) Senior Boarder Posts: 321 Fairing switch 6 Months, 1 Week ago   Can I install a switch for my fairing on the Neg. side or do I have to use a relay and use the Hot side. The fairing is protected by a 30 amp. fuse.   Logged       The administrator has disabled public write access. #1020409 davej (User) Platinum Boarder Posts: 18167 Re:Fairing switch 6 Months, 1 Week ago   If you have the proper wire size for a 30 amp fuse just switch that wire with a 30amp or larger switch.   Logged     dave   The administrator has disabled public write access. #1020437 Nocolorbrother (User) Senior Boarder Posts: 321 Re:Fairing switch 6 Months, 1 Week ago   Thanks for the response. But can I install the switch on the Neg. side? If not why? A 30 amp switch is about $40.00 and I already have a switch that would work but would need the relay (relay is only $5.00) don't have much room for the relay!   Logged       The administrator has disabled public write access. #1020438 txulrich (User) Platinum Boarder Posts: 2768 Re:Fairing switch 6 Months, 1 Week ago   Nocolorbrother wrote: Thanks for the response. But can I install the switch on the Neg. side? If not why? A 30 amp switch is about $40.00 and I already have a switch that would work but would need the relay (relay is only $5.00) don't have much room for the relay! Technically, you can put the switch on the ground side and it will work. I don't recommend it because you will always have power to the device. The switch should be used to shut off the power, not the ground. I consider it a safety issue. If that 30 amps found a way to ground, you would not have a way to shut it off. As to trying to get away without a relay, that could be a bad idea. It's the size of the wires vs. the amount of current that determines if you need a relay. If the wire gauge is large enough then you won't need it. On a motorcycle, you (or someone else) would have had to run all new wiring to the fairing to support the 30 amps. If that's the case, no need for a relay.   Logged     Peace, Baron Wilhelm Gustav von Schmidtt III (but you can call me Joe)   The administrator has disabled public write access. #1020439 davej (User) Platinum Boarder Posts: 18167 Re:Fairing switch 6 Months, 1 Week ago   txulrich wrote: Nocolorbrother wrote: Thanks for the response. But can I install the switch on the Neg. side? If not why? A 30 amp switch is about $40.00 and I already have a switch that would work but would need the relay (relay is only $5.00) don't have much room for the relay! Technically, you can put the switch on the ground side and it will work. I don't recommend it because you will always have power to the device. The switch should be used to shut off the power, not the ground. I consider it a safety issue. If that 30 amps found a way to ground, you would not have a way to shut it off. As to trying to get away without a relay, that could be a bad idea. It's the size of the wires vs. the amount of current that determines if you need a relay. If the wire gauge is large enough then you won't need it. On a motorcycle, you (or someone else) would have had to run all new wiring to the fairing to support the 30 amps. If that's the case, no need for a relay. +1 This answers your concerns. Why is a 30 amp switch $40??? I can find them all day long for a lot less. https://www.ebay.com/p/Toggle-SPST-Auto-Red-Switch-50a-12vdc/1068079361?iid=262424623231 this is just 1 example.   Logged     dave   The administrator has disabled public write access. #1020440 Nocolorbrother (User) Senior Boarder Posts: 321 Re:Fairing switch 6 Months, 1 Week ago   Thanks for the info!   Logged       The administrator has disabled public write access.

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