Originally Posted by Stretch67
A GPS would be fine, but for heated grips it would probably be best to use that wire to trigger (terminal 86) a relay, which would then energize the higher-draw accessories such as heated gear (terminal 87)...
The relay is essentially a high-capacity remote-controlled switch that bridges the gap between the Battery (terminal 51) and the accessory (terminal 87)
I think I get it, that is if a relay is something I buy and hook up like the diagram above. Is there any special relay I look for at a parts store or do I just ask the guy at NAPA for a 12v relay?
Thanks for the helpful info!