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bikemad195 · # 3 12-09-13, 02:43

Quote:

Originally Posted by Pleiades

You must not split the original circuit and feed the whole thing through the relay - this will be a recipe for disaster!

You take a +12V feed to trigger the relay off the side light circuit (a spur or "T") by "tapping" into it and connecting this spur to one of the trigger/switching terminals on the relay. You can use a Scotchlok to this, or strip back the insulation and solder on the spur. The opposite trigger/switch terminal on the relay must be connected directly to ground (earth) with another wire. The only connection between side light circuit and relay should be the incoming +12V feed.

The load circuit (for the accessories) can then be passed from battery (via a fuse) throught the load termainals on the relay (in one, out the other) to the accessory, and then from the accessory to earth.

Below is a wiring diagram. Ignore the fact that the load circuit is lights (could be any accessory). Note the only connection with the existing loom on the back is the single feed from the side light circuit.

Most good relays only draw a minuscule current of about 3-5mA to trigger the relay, so if wired correctly it will never harm the original circuit the spur is taken from.

cheers for the come back so basically for the low side of the relay i take a t off the trigger circuit and put that on one terminal and then earth the other terminal out ? also basically once i have done this i will obvs have a 30amp switch circuit for my load i want to run a cable of this and make some sort of live positive terminal so i can put more then once device through it e.g the grips and aux socket and maybe some other stuff. any ideas what i can use to create these easy accessible terminal so i can use it as a junction for all my auxs e.g so i can put them all on to ring terminals and then connect them to the 1 big feed from the relay ? (cheers for youre help with this lol i feel silly asking this sort of thing when im technically a qualified car mechanic lol )