Illuminated Sealed Rocker Switch Vehicle Organisers Retains vehicle computer settings when

Retains vehicle computer settings when changing a battery or can run 12V appliances

Once the voltage is achieved on the start battery the relay will close (turn on) to allow charging to the auxiliary battery bank

but then ended up using them for all the vehicle starting as their normal starting batteries failed in turn

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Illuminated Sealed Rocker Switch Vehicle Organisers Retains vehicle computer settings whenSPST, push fit design with push on terminals, Dash Light & On illumination Amperage rating 20A at 12V only Mounting opening: 37. 5 x 21mm TYPES 12 Volt Illuminated Off On Sealed Rocker Switch (Amber) 12 Volt Illuminated Off On Sealed Rocker Switch (Blue) 12 Volt Illuminated Off On Sealed Rocker Switch (Red) 12 Volt Illuminated Off Momentary (On) Sealed Rocker Switch (Blue) 12 Volt Illuminated Off Momentary (On) Sealed Rocker Switch (Red) 12 Volt